英语单词复数变化规律:
1、直接在刺猬后面家“s”
2、以s、x、sh、ch结尾的`名词加"es":glasses,boxes,brushes,matches
3、以辅音字母加y结尾的名词,变y为i加es:cities,babies,enemies.
4、以f或fe结尾的名词,多数变f为v加es:wives,knives.但有些词只加s:roofs,proof s,chiefs.
5、以o结尾的名词,有生命特征加es,无生命特征加s;
6)不规则名词:
foot→feet,
goose→geese,
tooth→teeth,
7、某些外来词变复数: datum→data,medium→media,bacterium→bacteria,curriculum→curricula,criterion→criteria,phenomenon→phenomena
8、以man或woman为前缀的复合名词变复数,前后两个名词都变复数
9、其它复合名词变复数:
grown up→grown ups,
brother in law→brothers in law,
stand by→stands by