初中英语知识点总结15篇(经典)
总结是指社会团体、企业单位和个人对某一阶段的学习、工作或其完成情况加以回顾和分析,得出教训和一些规律性认识的一种书面材料,它可以使我们更有效率,让我们来为自己写一份总结吧。你所见过的总结应该是什么样的?下面是小编为大家收集的初中英语知识点总结,希望对大家有所帮助。
初中英语知识点总结1
知识点总结
一、 形容词是用来描写或修饰名词或代词,说明人或事物的特征或性质的, 形容词往往被译成“···的”。用法如下:
1.做定语。e.g. This is an old house.
2.做表语。e.g.I am sorry to hear that.
3.做宾语不足语。e.g.She made her mother angry.
4.形容词在句中的位置。 形容词做定语修饰名词时,放在名词前面。修饰不定代词时要放在不定代词之后。
e.g.She is a clever girl.
I saw something white in the water.
5.某些形容词前加上定冠词the,可以代表一类人或东西,可以用作主语,宾语等。做主语时当复数看待。
e.g.The old are well looked after.
We all love the beautiful.
二、 形容词的等级变化
在英语中形容词有原级,比较级和最高级之分。原级就是它们的原形,比较级和最高级有规则变化和不规则变化。
(一)形容词的比较级和最高级变化
1.规则变化
单音节词和部分双音节词
(1)一般在词尾加er,est. hard---harder---hardest great---greater---greatest
(2)以字母e结尾的加r,st. nice---nicer----nicest able---abler----ablest
(3)重读闭音节中末尾只有一个辅音字母时,双写辅音字母,再加er,est.
big---bigger---biggest (另外还有fat, red,hot,wet,sad,mad ,thin )
(4) 以 -y 结尾,但 -y 前是辅音字母的形容词的比较级和最高级是把 -y 去掉,加 上 -ier 和-est 构成. happy (原形) happier (比较级) happiest (最高级)
(5)双音节和多音节形容词的`比较级和最高级需用more 和 most 加在形容词前面来构成。
例如: beautiful (原级) difficult (原级)
more beautiful (比较级) more difficult (比较级)
most beautiful (最高级) most difficult (最高级)
2、 常用的不规则变化的形容词的比较级和最高级:
原级 比较级 最高级
good better best
many more most
much more most
bad worse worst
little less least
ill worse worst
far farther(further) farthest(furthest)
三、形容词比较等级的用法:
1、形容词的比较级用于两个人或事物的比较,其结构形式如下:
主语+谓语(系动词)+ 形容词比较级+than+ 对比成分。例如:Our teacher is taller than we are. 我们老师的个子比我们的高。
比较级前面可以用even, still, yet , any, much, rather, a little, a lot, by far等修饰语用以加强语气或表示比较程度。
2、形容词最高级的用法: 形容词最高级用于两个以上的人和物进行比较,形容词最高级 前必须加the,后面多用of……, in……短语表示范围:其结构形式为:
主语+谓语(系动词)+the+形容词最高级+名词+表示范围的短语或从句。
She is the best student in her class. 她是班上最好的学生。
He is the tallest of the three boys.他是三个男孩中最高的一个。
四、 有关比较等级的特殊句型及应注意的问题
1. “比较级 + and + 比较级”或“more and more / less and less + 原级”结构表示“越来越……”的意思,与这类结构搭配的常用动词有grow, get, become等。
She felt herself becoming more and more nervous.她觉得自己越来越紧张。
it's getting colder and colder.天气越来越冷。
2. the + 比较级 + of the two + 名词。表示“两个中较···的一个'
Jane is the taller of the two children in our family. Jane是我家两个孩子中较高的。
3. “the + 比较级……,the + 比较级……”,表示“越……,越……”。
The more magazines you sell, the more money you will get.你卖的杂志越多,你挣的钱就越多。
4.“...as + 形容词 + as...”或“...as + 形容词 + 名词 + as...”构成,表示同等比较。
常见考法
对于形容词的考查,多以单选或词语运用的形式考查学生在具体语境中灵活运用形容词的能力,尤其是在各种比较句型中灵活运用形容词。
例如: Which month is____, June, July or August?
A. hot B. hotter C. hottest D. the hottest
解析:三者及以上比较用最高级形式,形容词最高级前必须加the,所以应用the hottest
误区提醒
在分辨比较等级时,对于易混淆形容词、副词,要谨慎对待。
典型例题:Don't just believe the ad.That kind of camera is it says.
A.as good as B.not so good as C.as well as D.not as well as
解析:根据第二句的谓语动词be可以确定空白处缺少表语。此处的表语应由形容词充当,而 well表示“好”是副词,因此排除 C和D;根据第一句的意思我们可以知道说话者的观点,故此排除A.
答案:B
初中英语知识点总结2
一、陈述句:
陈述句是用来陈述一个事实或表达说话人看法(包括肯定和否定)的句子。通常用降调,句末用句号“.”。
Tom has a new car.汤姆有辆新车。
The flower isn’t beautiful.这花不美。
二、陈述句否定式的构成
1.如果肯定陈述句的谓语部分含有助动词、情态动词或连系动词be,则只需在这些动词后加not即可构成否定式。
He is playing the guitar.他正在弹吉他。(肯定)
He is not playing the guitar.他不在弹吉他。(否定)
We can get there before dark.天黑前我们能够到达那里。(肯定)
We can’t get thee before dark.天黑前我们不能到达那里。(否定)
2.如果陈述句的谓语动词是实义动词,而其中又没有情态动词或助动词时,则需根据人称和时态在该实义动词前加don’t,doesn’t或didn’t。同时把该实义动词变为原形。
He plays the violin well.他小提琴拉的很好。(肯定)
He doesn’t play the violin well.他小提琴拉的不好。(否定)
She won the game.她赢得了比赛。588.es(肯定)
She didn’t win the game.她没赢比赛。(否定)
三、祈使句:
祈使句是用来表示命令、请求、建议、号召等的句子,谓语动词用原形,句末用感叹号“!”或句号“.”。朗读时一般用降调。
1.肯定的祈使句:
(1)祈使句主语是you时,you常省略,但如果要特别强调对方或表达某种强烈的情绪时可以有主语或称呼语。
Be quiet.请安静。
You be quiet!你给我安静点!
(2)“Do+祈使句”表示一种强烈的感情或请求,do起强调作用。
Do come back at once!务必立即返回!
Do be careful.务必小心。
(3)please用在祈使句中可以表示一种客气的语气,但please用在句末时,必须用逗号与其余部分分开。
Open the window,please.请打开窗户。
(4)Let引导祈使句时,后面需跟上人称代词或称呼语,人称代词一般只用第一、第三人称。
Let Jack wait a minute.让杰克等一会。
Let’s go to school.我们上学去吧。
(5)在祈使句中,Let’s和Let us是有区别的。Let’s包括说话者,而Let us不包括说话者在内。这点从反意疑问句时可明显看出。
Let’s go skating,shall we?咱们去溜冰吧,好吗?(表示内部的建议)
Let us try again,will you?让我们再试一次,好吗?(表示向别人发出请求)
一、一般疑问句:
(1)一般疑问句的肯定形式
一般疑问句一般是指以助动词、情态动词、be动词或have(有)开始,通常要求以yes,或no来回答的疑问句,一般疑问句读时通常用升调。
Do you know Mr.Smith?你认识史密斯先生吗?
Can you swim?你会游泳吗?
(2)一般疑问句的否定结构
①在一般疑问句的否定结构中,把副词not放在一般疑问句的主语之后。但如果用not的简略形式-n’t,则须将-n’t与一般疑问句句首的be,have,助动词或情态动词写在一起。在实际运用中,一般都采用简略式。
②与汉语不同的是,英语一般疑问句否定结构的答语是否定还是肯定,全由答语的否定或肯定来决定。若答语是肯定的,则用yes加肯定结构;若答语是否定的,则用no加否定结构。
Aren’t you a football fan?你不是足球迷吗?
Yes,I am.是的,我是。
No,I am not.不,我不是。
Won’t she like it?她会不喜欢吗?
Yes,she will.是的,她会(喜欢)的。
No,she won’t.不,她不会(喜欢)的。
二、特殊疑问句
用疑问代词疑问形容词或疑问副词引导的疑问句叫特殊疑问句。特殊疑问句不能用yes或no回答,读时用降调。588.es
常见的疑问代词有what,which,who,whom,whose
常见的疑问形容词有what,which,whose
常见的疑问副词有when,where,why,how
三,选择疑问句:
选择疑问句是说话者提出两种或两种以上的不同情况,让对方选择回答的疑问句。其结构是“疑问句+选择部分”。选择部分由or连接,or前面的部分读升调,or后面的部分读降调。
选择疑问句不能用yes或no回答,而必须具体的选择答复。
Is your bag yellow or black?It’s black.。
Would you like some tea or coffee?Either will do.。
Which do you like better,singing or dancing?I like dancing better.
四,反意疑问句:
反意疑问句是指在陈述句之后附加一个意思与之相反的简短问句,问对方是否赞同的疑问句。附加问句的否定式必须缩写。
(1)肯定的陈述句后跟否定的附加问句,否定的陈述句后跟肯定的附加问句。
I am your teacher,aren’t I?我是你的老师,对吗?
He didn’t study hard,did he?他学习不努力,对吗?
(2)如果陈述句中含有否定副词never(从不,决不),hardly(几乎不)或其他表示否定代词或形容词,如nothing,none no one,nobody,neither,few,little等,则附加问句只能用肯定式。如:
They hardly write to each other,do they?他们几乎不给对方写信,是吗?
He has found nothing,has he?他什么也没有找到,是吗?
Few people knew the secret,did they?很少有人知道这个秘密,是吗?
(3)当反意疑问句是“否定陈述句+肯定附加问句”时,英语与汉语的回答习惯存在差异。英语回答时只看实际情况,若答语的具体内容是肯定的就用“Yes+肯定结构”,答语的具体内容是否定的就用“No+否定结构”,而译成汉语时,则必须把yes译“不是”,把no译成“是的”。
You won’t be away for long,will you?你不会离开太久,是吗?
Yes,I will.不,我会离开很久。No,I won’t.是的,我不会离开很久。
I don’t think she’ll come by bike,will she?我认为她不会骑自行车,会吗?
Yes,she will.不,她会骑自行车来。No,she won’t.是的,她不会骑自行车来。
五,掌握由what,how引导的感叹句的构成形式、用法及区别
感叹句是表示喜、怒、哀、乐以及惊异等感情的句子。句末用感叹号“!”,读时用降调,感叹句往往由what或how引导,what修饰名词,how修饰形容词,副词或动词。
1.what引导的感叹句:
(1)what+a/an+形容词+单数可数名词+陈述句(主语+谓语)
What a beautiful city it is!多么美丽的一个城市啊!
What an interesting story she told!她讲了一个多么有趣的故事啊!
(2)what+形容词+复数可数名词/不可数名词+陈述句(主语+谓语)
What expensive watches they are!多贵的手表啊!
What terrible weather it is!多么恶劣的天气啊!
2.How引导的感叹句:
(1)How+形容词/副词+陈述句(主语+谓语)
How cold it is!多冷啊!
How hard he works!他工作多么努力啊!
(2)How+陈述句(主语+谓语)
How he loves his son!他多么爱他的儿子啊!
How I miss you!我多想你啊!
(3)How+形容词+a/an+单数可数名词+陈述句(主语+谓语)
How tall a tree it is!多么高的一棵树啊!
How they cried!他们哭得多伤心啊!
(一)掌握时间和条件状语从句中的时态与主句时态的搭配
(1)时间状语从句:
引导时间状语从句的'从属连词有when(当……时候),while(当,在……过程中),since(自从……以来),before(在……之前),after(在……之后),tell/until(直到……时),as soon as(一……就)。如果主句为一般将来时,则时间状语从句只能用一般现在时表示将来的意义。
He was reading the newspaper when I came in.当我进来时,他正在读报纸。
Keep an eye on my cat while I am away.我不在时,请照看一下我的猫。
Don’t talk so loud while others are studying.别人学习时不要大声说话。
It has been five years since she went abroad.她出国已有五年了。
He died before his son came back.他在他儿子回来之前就去世了。
I’ll show him around our factory as soon as he arrives.他一到达我就领他参观我们的工厂。
I’ll tell him about it as soon as I see him.我一见到他就告诉他。
(2)条件状语从句:引导条件状语从句的从属连词是if(如果)。如果主句是一般将来时,条件状语从句只能用一般现在时。
If you stay at home,I’ll go.如果你呆在家里,我就走。
If we don’t get up early,we won’t catch the train.如果我们不早起,我们就赶不上火车。
(二)掌握宾语从句的语序及其时态与主句时态的呼应
(1)宾语从句的语序:
宾语从句的语序一律使用陈述语序。尤其是在把两个独立的句子连成一个含有宾语从句的复合句时必须特别注意:
当宾语从句原为陈述句时,用that引导,语序不变。(注意时态的一致)
Tom isn’t a good student.The teacher told us…→
The teacher told us Tom wasn’t a good student.老师告诉我们汤姆不是一个好学生。
He has given up smoking.She said…→
She said he had given up smoking.她说他已经戒烟了。
当宾语从句原为一般疑问句时,用whether或if连接,语序变为陈述语序。
Is Jim a doctor?I wonder…→
I wonder whether Jim is a doctor.我想知道吉姆是否是个医生。
Does she dance well?Can you tell me…→
Can you tell me if she dances well?你能告诉我她舞跳的是否好吗?
当宾语从句原为特殊疑问句时,特殊疑问词即为连接词,语序变为陈述语序。
She asked me where you were going.她问我你去哪里。
She wondered what he wanted to do.她不知道他想干什么。
(2)宾语从句的时态:
宾语从句的时态原则上应与主句的时态保持一致。
如果主句是现在时态(包括一般现在时,现在进行时和现在完成时),宾语从句可以是实际需要的任何时态。
I am wondering whether he has come or not.我不知道他是否已经来了。(现在完成时)
Please tell me when we’ll have the meeting.请告诉我什么时候开会。(一般将来时)
I don’t know who they are talking about.我不知道他们正在谈论谁。(现在进行时)
I have heard the window was broken by John.我已经听说窗户是被约翰打破的。
如果主句是过去的时态(包括一般过去时,过去进行时),宾语从句必须选用过去的某一时态(即一般过去时,过去将来时,过去进行时或过去完成时等)
He said he would kill her.他说他会杀了她。(过去将来时)
She told us Lucy had returned home.她告诉我们露茜已经回家去了。(过去完成时)
Mary was wondering who could answer the question.
玛丽想知道谁能回答这一问题。(一般过去时)
I didn’t told them where you were having the meeting.
我没有告诉他们你们正在哪儿开会。(过去进行时)
如果宾语从句表示的是科学其理、客观事实或格言警句等,则不管这句是何种时态,从句一律用一般现在时。
Granny told me that the earth moves around the sun.奶奶告诉我地球围绕太阳转。
She said a friend in need is a friend indeed.她说患难朋友才是真正的朋友。
(三)了解定语从句的构成基本形式及基本用法
(1)定语在句中是用来修饰名词或代词的,一般由形容词或与之相当的其它词类来充当。如果起修饰作用的是一个句子的时候,就叫作定语从句。但定语从句不是象形容词那样放于名词前,而是放在名词之后。它所修饰的名词又被叫作先行词。588.es
(2)定语从句的引导词有关系代词:that,which,who,whom,whose和关系副词when,where,why,how。
1.that的先行词可以是人也可以是物。
A plane is a machine that can fly.飞机是一种会飞的机器。
I like the book(that)you lent me yesterday.我喜欢你昨天借给我的那本书。
2.which的先行词只能是物。
The book shop is a shop which sells book.书店是销售书的商店。
The book(which)I read last night was wonderful.我昨晚看的那本书很精彩。
3.who在定语从句中作主语;whom是who的宾格,在定语从句中作宾语;而whose则是形容词性物主代词,在从句中作定语。
The man who visited our school yesterday is an American friend
昨天参观我们学校的人是一位美国朋友。
Who's that woman(whom)you just talked to?
你刚才与之谈话的那个女人是谁?
This is our classmate,Mary,whose home is not far from our school.
这是我们的同学玛丽,她的家离我们学校不远。
4.关系代词whom,which在定语从句中作介词宾语时,可以和介词一起放于先行词与定语从句之间,有时为了关系紧凑也可以将whom与which与先行词紧挨着书写,而将介词置于定语从句的后面,如:
That was the room in which we had lived for ten years.那是我们曾经住了十年的房子。
=That was the room which we had lived in for ten years.
(3)除关系代词外,还有关系副词when,where,why等也能引导定语从句。
1.when用来指时间,在定语从句中作时间状语。
I never forget the day when I first came to the Great Wall
我永远也不会忘记我第一次到达长城的那天。
2.where则指地点,在定语从句中作地点状语。
This is the house where the old man lives.这就是那位老人住的房子。
3.why用来指原因,作原因状语。
That’s the reason why he didn’t come yesterday.那就是他昨天为什么没有来的原因。
初中英语知识点总结3
1. …as soon as…一…就…
Mary一见到她弟弟就会告诉他这个消息。
Mary will tell her brother this message as soon as he sees him.
我们一到那儿就去爬山了。
We went climbing as soon as we arrived / got / reached there.
2. as + adj./adv.+ as… …和…一样(的/地)…
not as(so)…as… …不如/不比… ….
李雷和吉母跑得一样快。
Li Lei runs as fast as Jim.
约翰和你的年龄不一样大。
John is not as (so) old as you.
这部电视剧不如那部有趣。(TV series)
This TV series is not as (so) interesting as that one.
3. as +adj./adv.+ as possible尽可能…的/地…
我们在英语课上应该尽可能地多讲英语。
We should speak English as much as possible in English class.
你能不能尽可能慢一些读这个句子?
Can you read the sentence as slowly as possible?
4. ask sb for sth向某人要求某物
当你迷路时,你可以向警察需求帮助。
When you get lost, you can ask the police for help.
一些学生经常向父母要钱去玩电子游戏。(video games)
Some students often ask their parents for money to play video games.
他向父母要一辆自行车作为生日礼物。
He asked his parents for a bicycle as his birthday present.
5. ask/ tell sb. (how) to do sth询问/告诉某人如何做某事
许多学生经常问老师如何才能学好英语。
Many students often ask their teachers how to learn English well.
让我来告诉你如何发邮件。
Let me tell you how to send an e-mail.
6. ask / tell /want sb (not) to do sth.要求(让)/告诉/想要某人做(不做)某事
护士告诉我服用此药需一日三次,饭后服用。
The nurse told me to take this medicine three times a day after meals.
老师经常告诉我要更加努力地学习。
The teacher often tells me to study harder.
他让我不要再犯同样的错误。
He asked me not to make the same mistake again.
7. make/ let /have sb. (not) do sth使/让某人做(不做)某事
他使得孩子哭得很厉害。
He made the child cry loudly.
昨天他使我在影院门口等了很长时间。
He made me wait for long (for a long time) at the gate of the cinema yesterday.
直到我们做完了作业,妈妈才让我们去玩球。
Mother didn’t let us play football until we finished our homework.
那个老板迫使工人们每天工作10小时。
That boss made the workers work (for) ten hours a day.
8. be afraid of doing / to do/that害怕/不敢做某事
这个小女孩不敢晚上出去。
The little girl is afraid to go out in the evening / at night.
他害怕独自呆在家里。
He is afraid of staying at home alone.
许多人担心他们会失去工作。(be afraid that)
Many people are afraid that they will lose their jobs.
9. be busy with sth. / doing sth.忙于某事/做某事
现在学生们忙于准备考试。
Now students are busy preparing for the exams.
昨天下午妈妈都在忙着做家务。(两种)
Mother was busy with housework yesterday afternoon.
Mother was busy doing housework yesterday afternoon.
10. be famous / late /ready / sorry for sth.
因…而著名/ (做)…迟到了/晚了/为…准备/为…而抱歉
如果你不快点,你就会上班迟到。
If you don’t hurry, you will be late for work.
杭州以丝绸而出名。
Hangzhou is famous for silk.
我们已经准备好迎接奥运会了。
We have been ready for the Olympic Games.
我为我的错误而抱歉。
I am sorry for my mistake.
11. be glad that很高兴…
我很高兴你能来参加晚会。
I am very glad that you can come to the evening party.
老师很高兴我们班得了第一名。
The teacher was very glad that our class was the first / won the first prize.
12. give/ show/ bring/ lend/ send/ pass/ tell / offer sth to sb
buy/give/ show/ send/ pass/ bring/ lend/ tell sb. sth
给某人某物;给某人看某物;给某人带来某物;借给某人某物;送给某人某物;递给某人某物;把某事告诉给某人;主动给某人某物
请递给我一张纸。
Please pass me a piece of paper.
=Please pass a piece of paper to me.
请把你的画给我看看。
Please show me your picture.
=Please show your picture to me
他借给我一辆自行车。
He lent me a bike.
=He lent a bike to me.
别忘了下次来给我带点儿钱。
Don’t forget to bring me some money when you come here next time.
= Don’t forget to bring some money to me when you come here next time.
13. either…or…或…或…,不是…就是…,要么…要么…
不是你,就是他是对的。
Either you or he is right. V.就近原则
每个周末,我们要么去公园,要么呆在家里。
We either go to a park or stay at home every weekend. (at/on weekends.)
要了解世界,人们既可以读报纸,也可以看电视。
People can either read newspapers or watch TV to get to know the world.
14. neither…nor…既不…也不…,两者都不…
我和他都没有读过这本书。
Neither he nor I have ever read this book. V.就近原则
这个女孩已经十岁了,但她既不会读书,也不会写字。
The girl is already ten, but she can neither read nor write.
15. enjoy/ finish/mind/ keep/ practise/go on doing sth.
享受做…之乐;做完某事;介意做某事;一直做某事;练习做某事;继续做…
我们应该经常练习讲英语。
We should often practice speaking English.
我奶奶一直坚持早晨锻炼身体已经有十年了。
My grandma has kept doing exercise in the morning for ten years.
16. find /think / feel + it + adj. (for sb.)to do sth.发现/认为/觉得做某事如何
越来越多的人发现吃太多汉堡包不利于健康。
More and more people have found it unhealthy to eat too many hamburgers.
很多大学生发现在大学中交友很难。
A lot of students have found it very hard to make friends at college.
17. get + adj.的`比较级+ and + adj.的比较级变得越来越…
地球变得越来越暖和了。
It gets warmer and warmer on the earth.
春天到了,天气变得越来越热了。
Spring is coming and it’s getting warmer and warmer.
北京变得越来越美丽了。
Beijing is becoming more and more beautiful.
18. The + adj./adv.的比较级,the + adj./adv.的比较级。越...,就越…。
天气越冷,人们穿得就越多。
The colder it is, the more people wear.
我们种的树越多,空气就会越干净。
The more trees we plant, the cleaner the air will be.
英语,我们练习得越多,说得就越好。
The more we practice speaking English, the better we can speak.
你越强健,患感冒的机会就越少。
The stronger you are, the less chance you will catch a cold.
19. It is +序数词+ adj./adv.的最高级+ n.
黄河是中国第二长的河流。
The Yellow River is the second longest river in China.
他是我们班跑得第二快的。
He runs the second fastest in our class.
20. one of the +最高级+ n. (pl.)是最…之一者
姚明是世界上最好的篮球运动员之一。
Yao Ming is one of the best basketball players in the world.
三亚是中国最美丽的城市之一。
Sanya is one of the most beautiful cities in China.
初中英语知识点总结4
知识点总结
在英语中,句子中的谓语动词在人称和单、复数形式上必须和主语保持一致,这就是我们通常说的“主谓一致”。这一点看似简单,但在实际运用中却常常遇到麻烦。一般情况下,主谓之间的一致关系由以下三个原则的支配: 语法一致原则、 意义一致原则和就近原则。
一、语法一致
主谓一致的原则是指主语和谓语从语法形式上取得一致:主语是单数形式,谓语也采取单数形式;主语是复数形式,谓语亦采取复数形式.例如:
He often helps me learn English. (主语是单数形式,谓语也采取单数形式) .
My friends often help me learn English. (主语是复数形式,谓语也采取复数形式)
但主语和谓语从语法形式上取得一致的问题远不只上述的那么简单,有许多方面的情况需要去具体地对待:
1、不定式,动名词,以及从句作主语时应看作单数,谓语动词用单数.
例如: Reading aloud is helpful to learn English.大声朗读对学习英语是有帮助的。
What he said has been recorded .他说的话已被录音了.
2、不定代词one, every, each, everybody, everyone, one of, no one, nothing, nobody, someone, somebody, either, neither, many a 等作主语或是修饰主语时应看作单数,谓语动词用单数.但none 作主语时,谓语动词既可用单数也可用复数,这要取决于说话人的看法。
例如:Neither of my sisters likes sports .我的妹妹中没人喜欢运动.
Every boy and girl shows great interest in this book .每个男孩和女孩对这本书都表现出很大的兴趣.
3、表示国家,机构,事件,作品等名称的专有名词作主语时应看作单数,谓语动词用单数.
例如: One Thousand And One Nights tells people lots of interesting stories . 《一千零一夜》给人们讲了许多有趣的故事。
4、 a kind of, the number of等与名词构成名词短语作主语时应看作单数,谓语动词用单数.
例如: The number of workers in the factory is 400. 这个工厂里工人的数量是400.
A kind of rose in the garden smells very pleasant.这座花园里有一种玫瑰香气怡人.
5、由some, several, both, few, many, a number of 等词修饰主语,或是由它们自身作主语时应看作复数,谓语动词用复数.另外,由and连接两个主语时,谓语一般用复数.
例如: On the seashore, some people are playing volleyball 海边,有些人在打排球。
Both of us are fond of watching football games .我们俩都喜欢看足球赛.
A number of will-be graduates are voluntarily going to work in the West of China. 许多即将毕业的学生打算自愿去中国西部工作.
6、有些表示数量的百分数,分数等后面加名词或代词作主语时,要根据这个名词或代词来决定其谓语动词的单复数形式.如:a lot of, most of, any of, half of , three fifths of, eighty percent of, some of, none of, the rest of , all of等后接不可数名词,或是单数形式的名词作主语时应看作单数,谓语动词用单数;但如果后接可数名词的复数形式作主语时应看作复数,谓语动词用复数.
例如: A lot of money in the shop was stolen yesterday. 昨天那家商店丢失了许多钱.
A lot of students are from England in the school.那个学校里很多学生来自英国。
二、意义一致
这一原则是指,从意义着眼来解决主谓一致问题.有时主语形式上为单数,但意义上却是复数,那么谓语依意义也用复数形式;而有时主语形式上为复数,但意义上却是单数,那么谓语依意义亦用单数形式.
1) 当主语后面接由but, except, besides ,as well as, as much as, including,more than,no less than, rather than, together with等引导的词组时,其谓语动词的单复数形式通常由前面的词来决定。在这样的句子里,这些词所引导的词组不影响主语自身的单,复数形式,它们在句子里其实是状语.
例如: The teacher, with all his students, is going to have a picnic this weekend.老师打算这个周末与学生们一起去野炊.
The students, together with their teacher , are going to have a picnic this weekend.学生们打算这个周末与他们的老师一起去野炊.
我们完全可以将上面句子中的那些词组都分别搬到句首或是放到句末去,因为它们在句子里是状语: The students are going to have a picnic this weekend together with their teacher.
2) 表示时间,金钱,距离,体积,重量,面积,数字等词语作主语时,,谓语动词常用单数形式。如:
Eight hours of sleep is enough. 八小时的睡眠足够了。
Twenty years stands for a long period in one's life. 二十年在人的一生里意味着一个很长的时期.
3) 形容词前加定冠词即"the + 形容词"作主语时,其意义若是指个人或是抽象概念应看作单数,谓语动词用单数;指一类人则应该看作是复数,那么谓语动词也应该用复数.
例如: The sick here are very well cared for. 这里的病人都被照顾得很好。
The true is to be distinguished from the false. 真实与虚假应加以区别。
4)由and 连接的两个单数名词作主语时,谓语动词一般根据语法一致的原则用复数。
但如果在意义上指同一个人、同一件事或同一个概念时,谓语动词要用单数形式。
如:The writer and teacher is coming. 那位作家兼教师来了。(作家和教师指同一个人)
The writer and the teacher are coming. 作家和老师来了。(作家和老师是两个人)
5)集体名词作主语时,谓语动词的`数取决于主语的意义:主语表示整体时视为单数,谓语动词用单数;主语表示集体中的个体成员时视为复数,谓语动词用复数.这类集体名词常见的有:army, class, club, crowd, family, government, group, people, police, public, team等.
例如: The family are all fond of football. 那一家人都喜欢足球.
The family is the tiniest cell of the society. 家庭是社会的最小的细胞.
6)一些形式为复数,意思为单数的名词,如:trousers, pants, shorts,glasses, 等作主语时,谓语动词用复数.
如:Her glasses are new. 她的眼镜是新的
但当这类名词前有a pair of 修饰时,谓语动词应用单数.
如: This pair of trousers is made in Hangzhou.
三、就近原则
这一原则是指,谓语动词的人称和数常常与最近作主语的词语保持一致.常出现在这类句子中的连词有:or, either… or …, neither… nor … ,not only… but also …等.
例如: Either I or they are responsible for the result of the matter. 不是我,就是他们要对那件事的结局负责任.
Neither his family nor he knows anything about it. 他全家人和他都不知道那件事.
常见考法
对于主谓一致的考查,通常会以单选的形式出现,多是让我们选择合适的谓语动词。
典型例题:The factory, including its machines and buildings, __________ burnt last night.
A. is B. are C. were D. was
解析:but, except, besides, with, together with, along with, including, as well as, rather than, like等词连接主语时,谓语动词和前面的主语保持一致,本题中就是和The factory保持一致。而这些词所引导的词组不影响主语自身的单,复数形式,它们在句子里其实是状语.
答案:D
误区提醒
主谓一致这一知识点比较琐碎,在运用中常会因为考虑不全面而出错,所以我们必须把每一种用法记住,灵活运用。尤其要注意就近原则、集体名词和百分数,分数短语作主语的情况。
典型例题:Either Jane or Steven _____ watching TV now.
A. were B. is C. was D. are
解析:本题考查的是就近原则。either… or …, neither… nor … ,not only… but also …连接两个主语时,谓语动词的人称和数常常与最近作主语的词语保持一致。本题中就是和Steven保持一致。有now.可知是现在进行时,排除A和C.
答案:B
初中英语知识点总结5
十种:名词、形容词、代词、数词、冠词、动词、副词、介词、连词、感叹词。
1、名词(n.):表示人、事物、地点或抽象概念的名称。如:boy,morning,bag,ball,class,orange.
2、代词(pron.):主要用来代替名词。如:who,she,you,it.
3、形容词(adj..):表示人或事物的性质或特征。如:good,right,white,orange.
4、数词(num.):表示数目或事物的顺序。如:one,two,three,first,second,third,fourth.
5、动词(v.):表示动作或状态。如:am,is,are,have,see.
6、副词(adv.):修饰动词、形容词或其他副词,说明时间、地点、程度等。如:now,very,here,often,quietly,slowly.
7、冠词(art..):用在名词前,帮助说明名词。如:a,an,the.
8、介词(prep.):表示它后面的名词或代词与其他句子成分的关系。如in,on,from,above,behind.
9、连词(conj.):用来连接词、短语或句子。如and,but,before.
10、感叹词(interj.)表示喜、怒、哀、乐等感情。如:oh,well,hi,hello.
1.英语有两种语态:主动语态和被动语态
主动语态表示是动作的执行者
被动语态表示主语是动作的'承受者
如:Cats eat fish.(主动语态)猫吃鱼。
Fish is eaten by cats.(被动语态)鱼被猫吃。
2.被动语态的构成
由“助动词be +及物动词的过去分词”构成
助动词be 有人称、数和时态的变化,其变化规则与be 作为连系动词时完全一样。
如:English is spoken in in many countries.
英语被很多国家使用。
This bridge was built in _.
这座桥是_年建造的。
3.被动语态的用法
当我们不知道谁是动作的执行者,或者没有必要指出谁是动作的执行者,或者只需强调动作的承受者时,要用被动语态。
倒装句
由so+助动词(be/do/will/have)/情态动词+主语意为:…也是一样
She is a student. So am I.
她是一个学生,我也是。
She went to school just now. So did I .
她刚才去学校了,我也是
She has finished the work. So have I .
她已经完成了工作,我也完成了。
She will go to school. So will he.
她将去学校,他也是。
初中英语知识点总结6
宾语从句
1.宾语从句的含义
在主句中做宾语的从句叫做宾语从句。
如:She knew that the teacher had seen the film.她知道这位老师看过这部电影。
“that the teacher had seen the
film”做knew的宾语,同时又是由连接词that引导的从句,所以它叫做宾语从句。
2.宾语从句的分类
(1)动词宾语从句:顾名思义,它是位于动词后面的宾语从句。
如:He asked whose handwriting was the best in our class.他问我们班上谁的书法最好。
(2)介词宾语从句:顾名思义,它是位于介词后面的宾语从句。
如:I agree with what you said just now.我同意你刚才说的话。
(3)形容词宾语从句:顾名思义,它是位于形容词后面的.宾语从句。
如:I am afraid that I will be late.恐怕我要迟到了。
3.引导名词性从句的连接词
(1)that:没有含义,在宾语从句中不做成分
(2)whether/if:表示是否,在宾语从句中不做成分。
I don t know if /whether he still lives here after so many
years.我不知道这么多年后,他是否还住在这里。
(3)连接代词:what, which, who, whom, whose(在宾语从句中做主、宾、表和定语)
连接副词:where, when, how, why(在宾语从句中做状语)
The small children don t know what is in their
stockings.(what在宾语从句中做主语)这些小孩子不知道什么在他们的长筒袜里。
Could you tell me why you were late for the meeting this
morning?(why在宾语从句中做原因状语)你能告诉我为什么你今天早上开会迟到吗?
4.在做宾语从句的题目时应注意两点
(1)时态:
①当主句是现在时态时,宾语从句可以根据需要使用任何时态。
I don t know when he will come back.我不知道他将何时回来。
He tells me that his sister came back yesterday.他告诉我他姐姐昨天回来了。
②当主句是过去时态时,宾语从句必须是一种过去的时态。
She asked me if I knew whose pen it was.她问我是否知道这是谁的钢笔。
He said that he could finish his work before supper.他说他会在晚饭前完成工作。
③当表示客观事实或普遍真理的句子做宾语从句时,任何时候都用一般现在时。
The teacher said that the earth goes round the sun.老师说过地球绕着太阳转。
(2)语序:任何从句都使用陈述句语序,宾语从句当然也不例外。
初中英语知识点总结7
简单句的五种基本句型
1.“主语+谓语”(即“主谓”句型)
例:They arrived in Harbin yesterday morning.分析:“they”(主语)“arrived”(谓语)。
2.“主语+谓语+宾语”(即“主谓宾”句型)
例:I study English.分析:“I”(主语)“study”(谓语动作)“English”(宾语即动作涉及的对象)。
3.“主语+谓语+间接宾语+直接宾语”(即“主谓双宾”句型)
例:Our teacher taught us English.分析:“our teacher”(主语)“教”(谓语动作)“us”(间接宾语)“English”(直接宾语)。
4.“主语+谓语+宾语+宾语补足语”(即“主谓宾宾补”句型)
例:He asked her to go there.分析:“he”(主语)“asked”(谓语动作)“her”(宾语即动作涉及的`对象)“to go there”(补语—补充说明宾语做什么)。
5.“主语+系动词+表语”(即“主系表”句型)
常用的系动词有be, keep,lie, remain, stand, become, fall, get, go, grow, turn, look, feel, seem, smell, sound, taste,等。
例:I am a teacher.分析:“I”(主语)“am”(系动词)“a teacher”(表语—即表明主语的身份)。
初中英语知识点总结8
现在进行时,从字面上理解,就是“现在正在进行、发生的动作”,表示动作发生的时间是“现在”,动作目前的状态是“正在进行中”。所谓“正在进行中”,是指在谈到这件事的时候,这个动作还在进行中。至于它是什么时候开始的,什么时候会停下来,不是我们关心的。所以“正在进行时”的事件,可能发生几年了,也可能只有几分钟。仍在进行中这是“正在进行时”的.关键所在。它是一件持续进行的事情。
一、现在进行时的构成
现在进行时由"be+现在分词(v-ing)"构成。be应为助动词,一定不要漏掉哟!它应与主语的人称和数保持一致,即:I am/he/she/it 包括单数名词和不可数名词用is,you/we/they 包括复数名词用are. 。现在分词变化规则如下:
1.动词后直接+ ing(例:sleep+ing sleeping)
2.去掉不发音的e+ing(例:bite-e+ing biting)
3.重读闭音节,且末尾只有1个辅音字母,双写辅音字母+ing(例: sitting
sitting, beginning,getting,putting,running,stopping,cutting )
4.特殊变化:die-dying,lie-lying,tie-tying
句式构成如下:
肯定句式:主语+be( am, is, are)+现在分词+其它.
否定句式:主语+be(am, is, are) +not +现在分词+其它.
一般疑问句:Be(am, is, are) +主语+现在分词+其它? ,,
特殊疑问句:疑问词+be(am, is, are)+主语+现在分词+其它?
二、现在进行时的应用
A表示现在( 指说话人说话时) 正在发生的事情。 例:We are waiting for you.
B. 习惯进行:表示长期的或重复性的动作,说话时动作未必正在进行。 例:Mr. Green is writing another novel.
(说话时并未在写,只处于写作的状态。) 例:She is learning piano under Mr. Smith.
C.已经确定或安排好的将来活动。
I'm leaving for a trek in Nepal next week.(已经安排了) we're flying to Paris tomorrow.(票已经拿到了)
在实际运用时,现在进行时常用以下几种情况:
(1)当句子中有now时,常表示动作正在进行,这时要用现在进行时。如:
They are playing basketball now.现在他们正在打篮球。
(2)以look, listen开头的句子,提示我们动作正进行,这时要用现在进行时。如:
Listen!She is singing an English song.听,她正在唱英语歌。
(3)表示当前一段时间或现阶段正在进行的动作,且此时有this week, these days等时间状语,这时常用现在进行时。如:
We are making model planes these days.这些天我们在做飞机模型。
(4)描述图片中的人物的动作,也为了表达更生动。此时也常用现在进行时。如:
Look at the picture. The children are flying kites in the park.看这幅图,那些孩子正在公园放风筝。
常见考法
对于现在进行时的考查,多以单选或词语运用的形式考查学生在具体语境中灵活运用时态的能力。在考试中,会让大家判断是否该用现在进行时,或填写现在分词,或进行句型转换。
典型例题1: Listen, who________(sing) in the music room?
解析:以 listen开头,提示我们动作正进行,这时要用现在进行时。所以应用is singing
典型例题2:The boys are visiting the history museum。(对划线部分提问)
解析:对动作提问用What,现在进行时,把are 提到主语前,加doing。
答案:What are the boys doing?
误区提醒
在口语中表示主语计划将要作的动作,用现在进行时表示将来时,这类情况常与come来,go去, leave离开,depart离开,arrive到达,stay逗留,start开始等动词连用。所用的动词必须是动作而不是状态,主语必须是人。
典型例题:They are (leave)for New York tomorrow.
解析:题意为“明天他们将要动身前往纽约”。虽然tomorrow 表示“明天”,表达未来,但leave要用现在进行时表示将来时,所以应用leaving 。
答案:leaving
初中英语知识点总结9
实义动词:
即行为动词,表示动作的动词。实义动词与系动词是相对的,能独立用作谓语。
它分为及物动词和不及物动词两种:
及物动词是指后面要求有直接宾语的动词;
不及物动词指后面不需要跟宾语的动词。
实义动词使用方法:
及物动词
后面必须跟宾语意义才完整的实义动词,叫做及物动词(transitive verb)。如:
I believe that the committee will consider our
suggestion.我相信委员会将会考虑我们的建议。
“How long can I keep the book ?”Harry asked.哈里问:“这本书我可以借多久?”
Dr. Bethune set us a good example.白求恩大夫给我们树立了好榜样。
Crude oil contains many useful substances.原油含有许多有用的物质。
不及物动词
本身意义完整后面不须跟宾语的'实义动词,叫做不及物动词(intransitive verb)。如:
Birds fly.鸟会飞。
It happened in June 1932.这件事发生于一九三二年六月。
My watch stopped.我的表停了。
She spoke at the meeting yesterday evening.她在昨天晚上的会上发了言。
兼作及物动词和不及物动词
英语里有不少实义动词可以兼作及物动词和不及物动词。这样的动词又有两种不同的情况
a)兼作及物动词和不及物动词时,意义不变。试比较:
Shall I begin at once?我可以立刻开始吗?(begin作不及物动词)
She began working as a librarian after she left
school.她毕业后当图书馆管理员。(began作及物动词)
When did they leave Chicago?他们是什么时候离开芝加哥的?(leave作及物动词)
They left last week.他们是上周离开的。(left作不及物动词)
b)兼作及物动词和不及物动词时,有时意义不尽相同。如:
Wash your hands before meals.饭前要洗手。
Does this cloth wash well?这布经得起洗吗?
英汉实义动词用法比较:
与汉语的比较,有时英语动词的及物和不及物的用法,与汉语的用法不一样,请注意下列两种情况:
a)有的动词在英语里只能用作不及物动词,而汉语则可用作及物动词,如arrive到达,agree同意,listen听。英语里这些动词后面常接介词。如:
We arrived at the railway station at noon.
我们于中午到达火车站。(at不能省去)
(比较:We reached the railway station at noon.)
Everybody listened to the lecture with great interest.
每个人都很有兴趣地听讲课。(to不可省去)
(比较:We all heard the lecture.)
Do they agree to the plan?他们同意这个计划吗?(to不可省去)
b)有的动词在英语里能用作及物动词,而在汉语里则不能用作及物动词,如serve为…服务。
Our children are taught to serve the people wholeheartedly.
我们的儿童被教以全心全意为人民服务
用于be动词之后,实义动词之前。
实义动词的用法:
肯定句:
主语+动词过去式+其它
否定句:
主语+助动词didn‘t+动词原型+其他
一般过去式:
Did+主语+动词原型+其他
相关初中英语知识点:实义动词的单数第三人称形式
在一般现在时的肯定句中,当主语为非第三人称单数时,谓语动词用原形;
当主语为第三人称单数时,谓语动词用单数第三人称形式。
初中英语知识点总结10
I.要点
表示说的话不是事实,或者是不可能发生的情况,而是一种愿望、建议或与事实相反的假设等。一般常用于正式的书面语中。
1、虚拟语气的构成
如:与现在事实相反
If I had more time, I should study German.(fact:I have no more time, so I shall not study German.)
If she were not so busy, she would attend the meeting this afternoon.(fact:she is very busy, so she will not attend the meeting this afternoon.) If they didn’t take physical eXercises every day, they
wouldn’t be so healthy.(fact: they take physical eXercises every day, so they are very healthy.)
与过去事实相反:
I would have checked my paper again if I had had more time at yesterday’s eXamination.(fact:I had no more time at yesterday’s eXam, so I didn’t check my paper again) You would have already recovered from his illness if he had seen the doctor in good time.(fact: He didn’t see the doctor in good time ,so he hasn’t recovered from his illness ) 与将来事实相反:
If it rains tomorrow, our picnic will be put off.(The weather has been changeable these days.) If it rained tomorrow, our picnic would be put off.( The weather has beenvery good these days.) If it should rain tomorrow, our picnic would be put off.(That would be out of our eXpectation.) If it were to rain tomorrow, our picnic would be put off.(条件从句谓语动词用were to +动词原形,表示下雨的可能性极小。Were to rain和should rain都表示“出乎意料之外”,但were to加强表示“当初没想到以后的事”)
注:
((1)如果条件从句谓语动词包含有were或had, should, could
有时可将if省去,但要倒装。如:
Had you (If you had)invited us, we would have come to your party.
(2)混合时间条件句的用法:
有时条件从句的动作和主句动作发生的时间不一致。这时动词的'形式,应根据它所要表达的具体时间来决定用什么形式。
(1)If she hadn’t trained so hard, she wouldn’t be run so fast.(从句叙述过去,主句叙述现在。) (fact: she has trained very hard, so she would able to run fast.)
(2)You would speak English well enough if you had practised reading and speaking it every day.(主句叙述现在,从句叙述过去)
(fact: You didn’t practice (hasn’t practiced )reading and speaking it every day, so you can’t speak English well enough.)
(3)在其他状语从句中的。用法
主要用于由as if (as though)引导的比较状语从句,从句中谓语动词一般用“动词的过去式(be变were )或had +过去分词。”如: She looked as if she were ill.(实际上她没有病,在这里用虚拟语气补语比喻她精神不佳)
Xiao Liu speaks English so well as if he had studied in England.(这里用虚拟语气表现他的英语说得好)
2、虚拟语气在各种从句的应用
((1)在主语从句中用来表示惊奇、惋惜、理应如此等,其谓语形式是"should(可省)+动词原形",常用于以下三种句型中。 句型一、It is necessary (important, natural, strange, etc)that…
句型二、It is a pity (a shame, no wonder, etc)that… 句型三、It is suggested (requested, proposed, desired, etc)that…
如:It is strange that he (should)have done that. It is a pity that he (should)be so careless. It is requested that we (should)be so careless.
(2)在宾语从句中用于suggest, propose, move, insist, desire, demand, request, order, command等动词后的宾语从句中,表间接的命令和建议。其谓语形式是"(should)+动词原形"。如:
I suggest that we (should)go swimming.
(3)在表语从句中,表示间接的命令,要求、请求、建议、决定等,主句中的主语通常是suggestion, proposal, request, orders, idea等。从句谓语形式是"(should)+动词原形"。如: His suggestion is that we (should)leave at once. (4)在同位语从句中,谓语形式是"(should)+动词原形"。如: We received order that the work be done at once.
(5)在It is time that…句型中,其谓语动词形式是"动词的过去式"或"should +动词原形",should不可省。如: Its time (that)we went ( should go)to school.
初中英语知识点总结11
一.英语语法重点与难点
1、 as…as…结构:你和汤姆是一样好的孩子。
You’re a boy as good as Tom.=You’re as good a boy as Tom.
2、 (1)too…to与 so…that sb. can’t…的句型转换:前者为简单句,主语只有一个,而后者为复合句,主语有两个,试比较:
The man was too angry to be able to speak.
The man was so angry that he wasn’t able to speak.
(2) too…to…与 not enough to句型的转换:
He is too young to get married.=He is not old enough to get married.
The book is too difficult for me to read.=
The book is not easy enough for me to read.
3、 形容词原级表示比较级含义:
约翰不象迈克那么苯。
John is not so stupid as Mike.
John is less stupid than Mike.
John is cleverer than Mike.
4、 用比较级表示最高级:约翰是班里最高的男生。
John is taller than any other boy in the class.
John is the tallest boy in the class.
5、 the more….. the more….表示“越……越……”:
The more books you read, the wider your knowledge is.
The more food you eat, the fatter you are.
6、 more and more….表示“越来……越……”:
More and more students realized the importance of a foreign language.
Our country is getting stronger and stronger.
二.中考考点—词组
1. after, in 这两个介词都可以表示“……(时间)以后”的意思
after 以过去为起点,表示过去一段时间之后,常用于过去时态的句子中?
如:She went after three days. 她是三天以后走的
in 以现在为起点,表将来一段时间以后,常用于将来时态的.句子中
如:She will go in three days. 她三天以后要走
2. how long, how often, how soon
how long指多长时间,主要用来对一段时间(如three days, four weeks 等)提问?如:How long ago was it?
这是多久前的事了?
how often指每隔多久,主要用来对频率副词或状语(如once a week等)提问?如:—How often does he come here? —Once a month. 他(每隔)多久来一次?每月一次。
how soon指再过多久,主要用来对表示将来的一段时间(in an hour, in two weeks 等)提问?如:How soon can you come? 你多快能赶来?
初中英语知识点总结12
一、need和dare的用法
need和dare既可用作情态动词,也可用作实义动词。用作情态动词时,主要用于否定句和疑问句。用作实义动词时,可用于各种句式。
1、用作情态动词
Need I come? --Yes, you must. --我需要来吗? --需要。 You neednt telephone him now.你现在不必打电话给他。
I dont think you need worry.我想你不必发愁。
She dare not go out alone at night.她晚上不敢一个人出去。
How dare you say Im unfair?你竟敢说我不公平?
Not one of them dared mention this.他们谁也不敢提这件事。
2、用作实义动词
You dont need to do it yourself.你不必亲自做这件事。
We need to tell them the news.我们需要把这消息告诉他们。
The table needs painting (to be painted.).桌子需要油漆一下。
We should dare to give our own opinion.我们要敢于提出自己的观点。
He did not dare (to) look up.他不敢抬头看。
I dare day hell come again.我想他会再来的'。(I dare say…为固定习语)
二、情态动词后跟完完成这项工作的。
He isnt here. He must have missed the train.他还未到,一定是没赶上火车。 Where can (could) he gone?他能到那里去了呢?
You may (might) have read about it.你可能在报上已经读到这件事了。 You could (might) have been more careful.你本来可以更细心的。
He neednt have worried it.他本不必为此事担心。
There was a lot of fun at yesterdays party. You ought to have come, but why didnt you?昨天的聚会非常有意思。你本应该来,为何不来呢?
三、动词be(is,am,are)的用法
我(I)用am,你(you)用are,is跟着他(he)、她(she)、它(it)。单数名词用is,复数名词全用are。变否定,更容易,be后not加上去。变疑问,往前提,句末问号莫丢弃。还有一条须注意,句首大写莫忘记。
四、 this,that和it用法
(1)this和that是指示代词,it是人称代词。
(2)距离说话人近的人或物用this,距离说话人远的人或物用that。如:
This is a flower.这是一朵花。(近处)
That is a tree.那是一棵树。(远处)
(3)放在一起的两样东西,先说this,后说that。如:
This is a pen. That is a pencil.这是一支钢笔。那是一支铅笔。
(4)向别人介绍某人时说This is…,不说That is…。如:
This is Helen. Helen, this is Tom.这是海伦。海伦,这是汤姆。
(5)This is不能缩写,而That is可以缩写。如:
This is a bike. That’s a car.这是一辆自行车。那是一辆轿车。
(6)打电话时,介绍自己用this,询问对方用that。如:
—Hello! Is that Miss Green?喂,是格林小姐吗?
—Yes, this is. Who’s that?是的,我是,你是谁?
注意:虽然汉语中使用“我”和“你”,但英语中打电话时绝不可以说:I am…, Are you…?/Who are you?
(7)在回答this或that作主语的疑问句时,要用it代替this或that。如:
①—Is this a notebook?这是笔记本吗?
—Yes, it is.是的,它是。
②—What’s that?那是什么?
—It’s a kite.是只风筝。
五、these和those用法
this, that, these和those是指示代词,these是this的复数形式,指时间、距离较近的或下面要提到的人或事;those是that的复数形式,指时间、距离较远或前面已经提到过的人或事物。
①This is my bed. That is Lily’s bed.这是我的`床。那是莉莉的床。
②These pictures are good.那些画很好。
③ Are those apple trees?那些是苹果树吗?
在回答主语是these或those的疑问句时,通常用they代替these或those以避免重复。如:
Are these/those your apples?这些(那些)是你的苹果吗?
Yes, they are.是的,他们是。
初中英语知识点总结13
一,表示并列关系的连词有:
and,both…and,neither…nor,either…or,not only…but also,as well as
1.and“和,并且”,连接对等的词句。(在否定句中要用or连接。)
I like physics and chemistry.我喜欢物理和化学。
I don’t like physics or chemistry.我不喜欢物理和化学。
2.both…and“……和……都”
Both Jim and Mary went to the cinema yesterday.昨天吉姆和玛丽都去看电影了。
Exercise is good both for body and for mind.运动有益于身心。
3.neither…nor两者皆不
He neither smokes nor drinks.他既不抽烟又不喝酒。
I like neither swimming nor skating.我既不喜欢游泳,又不喜欢溜冰。
4.either…or不是…就是…,或者…或者….。
Either you come to the office now,or wait for me at home.
你要么现在到办公室来,要么就在家等着。
Either he or I will leave.不是他就是我将要离开。
5.not only…but(also)不但……而且……(not only…but also中的also可以省略。)
Not only she but also I am wrong.不但她错了,我也错了。
He not only made a promise,but kept it.他不仅许诺,而且做到了。
6.as well as也、又
We will rescue Henry as well as you.除了你,我们还要营救亨利。
He likes basketball as well as football.除了足球,他还喜欢篮球。
二、常用的从属连词:
(一)引导时间状语从句的连词有:when,while,since,until,after,before,as soon as
1.when当……时
When we got there,the meeting had begun.我们到时,会议已经开始了。
It was raining when she arrived at the station.她到达车站时,正在下雨。588.es
2.while正当……时,正在……时。(while引导的从句中,谓语动词必须是延续性动词,且常常用进行时。
Don’t make any noise while others are reading.别人读书时不要制造噪音。
She sang while she was walking.她边走边唱。
3.since自从
It’s just a month since we arrived here.我们到这儿刚好一月了。
My mother has been ill since I left home.自从我离开家我妈妈就一直生病。
4.until直到……为止
Until you told me,I knew nothing at all about it.在我告诉我之前,我对此之外无所知。
He didn’t appear until the meeting had begun.直到会议开始他才露面。
5.before在……之前
after在……之后
I’ll phone you after I arrive.我到达之后给你打电话。
Say goodbye before you go.你走之前要说再见。
6.as soon as一……就
I’ll visit you as soon as I come back.我一回来就去拜访你。
Please tell him as soon as you see him.你一看见他就请告诉他。
(二)引导原因状语从句的'连词:because,since,as,for,now that
1.because因为(because与so不能并用。)
I can’t believe in him because he isn’t honest.我不能信任他,因为他不诚实。
She didn’t come because she didn’t know it.她没有来,因为她不知道。
2.since既然
Since he says so,it must be true.既然他这么说,那一定是真的。
Since you ask,I will tell you.你既然问,我就告诉你。
3.as因为,由于
As we are hungry,let’s have supper.由于大家饿了,我们就吃晚饭吧。
Mother began to worry about my brother as it was getting dark.
由于天越来越黑,妈妈开始为哥哥着急。
4.for因为
We can't go for it is raining.我们不能走,因为正在下雨。
I enjoyed myself at the party for I knew all the guests well.
我在晚会上玩得很尽兴,因为所有的个人我都很熟悉。
5.now that既然
Now that he is unhappy,let’s leave him alone.既然他不高兴,我们就让他自己呆着吧。
Now that she feels sorry,please forgive her.既然她很后悔,就请原谅她吧。
(三)引导结果状语从句:so…that,such…that
1.so…that如此……以致
She is so tired that he can’t go any further.她太累了,不能再走了。
She is so big a cat that she can’t get into the hole.这猫太大了钻不进这洞。
2.such…that如此……以致
It’s such a beautiful place that I wouldn’t come back.这地方太美了,令我留恋返。
It’s such a fine day that many people go to the park for fun.
天气这么好,许多人都到公园里来玩乐。
(四)引导目的状语从句的连词:so that,in order that以便
They hurried so that they can get there on time.他们加快了速度,为的是能够按时到达。
I hired a boat in order that I can go fishing.为了去钓鱼,我租了条小船。
(五)引导比较状语从句的连词:than,as…as
He is taller than his brother.他比他兄弟高。
She could draw as well as her teacher.她能画得跟她的老师一样好。
(六)引导让步状语从句的连词:though,although(though与although的用法基本一样)
Although it rained hard,he still went out.尽管雨下得很大,他还是出去了。
Even though I have enough time,I don’t want to go there with him.
尽管我有时间,可我并不想跟他去那。
初中英语知识点总结14
1.should可表示惋惜、忧虑、欢欣、惊讶等感情色彩以及婉转语气。
Its a pity that she leave so soon. 很可惜,她很快就要离开了。(惋惜)
They were worried that their motherland should be in such great
danger.他们因祖国处在如此巨大的危险中而感到忧虑。(忧虑)
It is unbelievable that my brother should be working so
hard.难以置信,我弟弟工作竟然如此努力。(惊讶)
I should think your answer is correct. 我想你的答案该是对的.吧。(婉转)
2.would可用于委婉的陈述、客气的请求和委婉的建议。
I don’t think he would be so careless. 我认为他不会那么粗心。
Would you like to come to my birthday party? 你想来参加我的生日聚会吗?
3.dare可表示“胆敢”。
I dare not say such rude things.我不敢说粗话。
4.need可表示“需要”。
Need I finish the task this afternoon? 我今天下午要完成任务吗?
Tom, you needn’t worry too much. 汤姆,没必要这么担心。
这里借用一下网友总结的记忆口诀:
动词原形接后面,说话语气较委婉。
can 能力may许可,must责任或义务。
否定回答needn’t换,需要need, dare敢。
should应该,would愿,have to被迫表客观。
情态动词虽然数量有限,但用法广泛。清楚所有情态动词的表示意义,对英语遣词造句具有非常重要的作用。
初中英语知识点总结15
用一个句子作状语,这个句子就是状语从句。状语从句通常用来修饰句子、动词或形容词,表示时间、地点、条件、原因、目的、结果、方式、比较等。引导状语从句的连词叫从属连词。
16-1 时间状语从句
在句中相当于时间状语的从句叫时间状语从句。时间状语从句常由从属连词when,while,as,before,after,as soon as,since,till,until等引导。如:
What are you going to be when you grow up ?你长大以后打算干什么?
I will phone you as soon as I get there .我一到那儿就给你打电话。
1.引导时间状语从句的从属连词及用法
(1)when,while,as引导时间状语从句意为“当……时”。如:
When the clock struck twelve ,all the lights went out.当时钟敲了十二下,灯全部都熄了。
While Peter was reading ,his wife was cooking.彼得看书的时候,他妻子在做饭。
He dropped the glass as he stood up .他站起来时,把杯子摔碎了。
注意:
①when表示“当……时”,多用来表示时间点,也可表示时间段;从句中既可以用非延续性动词,也可用延续性动词;when 从句多用一般过去时,主句时态没有限制,根据具体情况而定;在将来时态中,常用when引导从句,且从句须用一般现在时代替将来时;when表示时间段时可与while通用,但从句中必须用延续性动词。如:
I was just reading a book when she came into my room.她走进我房间时,我正在看书。
When I got to the airport,the guests had left.当我赶到飞机场时,客人们已经离开了。
When the manager comes here for a visit next week,I'll talk with him about this.下周经理来这参观时,我会和他谈谈此事。
②while表示“当……的时候;在……之时;在……期间”,所引导的时间状语从句的谓语动词必须是延续性动词或表示状态的动词,且通常用进行时。如:
While my wife was reading the newspaper,I was watching TV.当妻子在看报纸的时候,我在看电视。
You can't do your homework while you're watching TV.你不能一边看电视一边做家庭作业。
③as引导时间状语从句时,从句的谓语动词既可以是延续性的,也可以是非延续性的。当从句中的谓语动词是延续性动词,表示“当……的时候”时,往往可以与when或while通用,但as更侧重主句与从句的行为同时发生,常译作“随着……;一边……,一边……”。如:
Kate read the book as she went along.凯特边走边读书。
We took notes as we listened to the lecture.我们边听课边记笔记。
(2)before引导时间状语从句意为“在……之前”。如:
Don't jump off the train before it stops.火车停之前不要往下跳。
Look at both ways before you cross the road.过马路之前左右两边都要看。
I didn't know any English before I came here。我来这儿之前,一点英语都不懂。
(3)after引导时间状语从句意为“在……之后”。如:
I'll have a walk after I finish my work.我做完事后要去散步。
After he locked the door,he left.他锁上门之后就走了。
注意:
为了表明动作的先后,从句中动词可用过去完成时,主句用一般过去时。如:
After he had finished his work,he played a game of chess with his friends.他做完工作后,和朋友下了一会儿棋。
(4)until,till引导时间状语从句意为“直到……为止”。如:
They waited till/until I returned.他们一直等到我回来。
Mr.Wang kept on explaining until the student understood.王先生反复地解释直到学生听懂了为止。
注意:
①until在肯定句中只与延续性动词连用,在否定句中通常与非延续性动词连用,表示相应动作开始的时间,意为“直到……才”。如:
He didn't leave until I came back.直到我回来他才离开。
②till用作连词,与until同义,两者经常可换用,只是 until 比 till 稍正式。在正式文体中,一般用 until,而在口语或非正式文体中则两者都可。till多与名词或较短的从句连用,而较长较复杂的成分多用 until;在句子开头时,用 until而不用till。如:
She lived in Tokyo till (until)she died.她一直住在东京直到去世。
(√)Until he comes back,nothing can be done.在他回来之前,什么也不能做。
(×)Till he comes back,nothing can be done.在他回来之前,什么也不能做。
(5)since引导时间状语从句意为“自……以来”
Since I left school,I have written to him twice.自从我离开学校以来,我已经给他写过两封信。
I have not heard from him since he left Shanghai.自从他离开上海以来,我就没有收到过他的来信。
注意:
since引起的时间状语从句通常用一般过去时态,主句用现在完成时态。如:
I've worked here since I left school.自我离开学校以来我一直在这里工作。
(6)as soon as引导时间状语从句意为“一……就……”
I'll tell you as soon as I get here.我一到这里就告诉你。
I want to see him as soon as he arrives.他一到我就想见他。
2.时间状语从句的时态
(1)当主句的谓语动词是一般将来时,由when,before,after,as soon as,until 等连词引导的时间状语从句用一般现在时。如:
I 'll tell him the good news as soon as I see him.我一见到他,就告诉他这个好消息。
The boy will be a writer when he grows up.这个男孩长大后将成为一名作家。
(2)当主句的`谓语含有can,may,must等情态动词时,由when,before,after,until,as soon as等引导的时间状语从句用一般现在时。如:
You can go home after you finish your homework.你做完作业后就可以回家。
When the lights are red,the traffic must stop .红灯亮时,车辆必须停下。
You may wait here before your father comes .在你父亲到来之前你可以在这儿等着。
(3)当主句的谓语是want,hope,wish等动词的一般现在时形式时,由when,before,after,until,as soon as等引导的时间状语从句用一般现在时。如:
He wants to be a doctor when he grows up.他长大后想当一名医生。
She wants to work in America when she finishes college.她大学毕业后想在美国工作。
(4)当主句是祈使句时,由when,before,after,until等引导的时间状语从句用一般现在时。如:
Don't get off the bus until it stops .公共汽车停下来再下车。
Please don't go to bed before you finish your homework.在完成作业之前,请不要睡觉。
(5)当主句谓语用一般过去时,由when,before,after,until,as soon as等引导的时间状语从句也要用一般过去时。如:
They talked about the party after people left .人们离开后,他们谈论这次晚会情况。
(6)当before引导的时间状语从句是过去时态,主句一般用过去完成时,有时也用一般过去时。如:
She had learned Japanese for three years before she went to Japan.她去日本之前学了三年日语。
She didn't know me before she came here.她到这里来之前不认识我。
(7)since引导的时间状语从句要用一般过去时,主句的谓语动词要用延续性动词,通常用现在完成时;用非延续性动词时,要用否定式。如:
He has waited here since you left .自从你走之后他一直在这等着。
He hasn't gone to the school since he finished the school.他毕业后再没去过学校。
注意:
在It is+时间+since从句结构中,主句用一般现在时,从句用一般过去时。如:
It is three years since I began to study English.我开始学英语已经有三年了。
3.时间状语从句的位置
(1)when,before,after,as,while,as soon as等引导的时间状语从句的位置可位于句首,也可位于句末。放在句首时,从句后通常用逗号与主句隔开,放在句末时,从句与主句之间一般不用逗号,只在句末用句号或问号。如:
When you came to see me,I was ready to leave.你来看我时,我正准备离开。
You called me while I was watching TV.我在看电视时,你给我打了电话。
After she cleaned the classroom,she went home.她打扫完教室后回家了。
(2)since引起的时间状语从句通常放在主句的后面。
I have learned English since I came to this school.我自从来到这个学校以来就一直在学英语。
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