英语中名词复数怎样变?

名词单数变复数变化规则:

1、一般名词复数是在名词后面加上“s”,

如map→maps,

bag→bags,

book-books等;

2、以s,x, sh, ch结尾的词加“es”,

如bus→buses,

watch→watches,

box-boxes等;

3、以f或fe结尾的名词变复数时,去掉f, fe 加ves的名词有:

half→halves

knife→knives

leaf→leaves

wolf→wolves

wife→wives

life→lives

thief→thieves

4、以o 结尾的名词变复数时:

a)加s的名词有(无生命):

photo→photos ,

piano→pianos,

radio→radios

b)加es的名词有(有生命):

potato→potatoes

tomato→tomatoes

5、以辅音字母+y结尾的词,变y为i加es,

如baby→babies,

family-families,

study-studies等;

以元音字母+ y结尾的名词变复数时,直接加s变复数,

如monkey→monkeys,

holiday→holidays,

storey→storeys(楼层);

6、 oo变ee的单词:

foot-feet,

goose-geese,

tooth-teeth;

7、 a变e的单词:

man-men,

woman-women,

policeman-policemen;

8、 复数与原形一致的单词:

fish-fish,

sheep-sheep,

deer-deer,

Chinese-Chinese,

Japanese-Japanese;

9、最特殊的一个:

German-Germans.