Step I Greeting
Step II Grammar
Word formation构词法
按照语言一定的规律创造新词的方法，叫构词法
International = inter + national
Telephone = tele- + phone
Mankind = man + kind
Broadband = broad + band
Extremely = extreme + -ly
Manned = man + -ed
Hi-tech = high + technology
e-school = electronic + school
IT = information technology
CSA = Chinese Space Agency
Study the ways of forming a word and explain their differences
Step III 构词法的分类
1、 合成法
把两个或两个以上独立的词合成一个新词的方法叫做合成法，也叫合词法
(1)合成名词
Spaceship highway afternoon
(2) 合成形容词
Cold-blooded hand-made hard-working
(3)合成动词
Safe-guard ill-treat
(4)合成副词
However anywhere anyway
(5)合成代词
Some, any, no可以和 -thing, -one, -body合成代词
2、 转换法
转换是指由一种词类转化为另一种词类。
(1)动词转化为名词
He visited the Summer Palace yesterday. 动词
He paid a visit to the scientist last week. 名词
英语中常用give, take, have, make 等动词构成这一累词组，表示一个动作。
give a a shout take a seat have a swim make a decision
(2)名词转化为动词
They have booked their plane tickets.
(3)形容词转化为动词
The room gradually quieted down.
(4)形容词转化为副词
How long is the line? 形容词
How long have you lived there? 副词
(5)形容词转化为名词
Something has gone wrong with the machine.
形容词
He didn’t know the difference between right and wrong. 名词
3、 派生法
派生法是由词根加词后缀构成新词。构成的新词称为派生词。词缀分为前缀和后缀。除少数前缀外，前缀一般只改变词的意义，不改变词性；后缀一般只改变词性，不引起词义变化。
前缀
a- （形容词、副词） asleep
dis- （否定） discourage
in-i-im-ir- （不、非） impossible
en- (使可能) enable
mis- (误) mistake
re- ( 重复、再) return
tele- （远程） telephone
un-on- (不、非) unfair
后缀
名词
-er -ese -ian -ist -ment -ness -or -tion
形容词
-al -an -ern -ful -ble -ish -ive -y -less
动词
-ly -iza
副词
-ly -ward(s)
形容词
-teen -ty -th
4、 缩略法
缩略法就是将原词缩短，在读音和写法上成为新的形式。
Bicycle ------- cycle
Examination-------- exam
Refrigeration-------- fridge
U.N------- the United Nations
USA------ the United States of America
Step Ⅳ Finish the exercises in the book.
Step V: Homework