一般名词复数是在名词后面加上“s”,如map→maps, bag→bags等

2.以s, sh, ch, x等结尾的词加“es”,如bus→buses, watch→watches等 扩展资料

3.以辅音字母+y结尾的词,变y为i加es,如baby→babies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)

4.以o 结尾的名词变复数时:

a)加s的名词有:photo→photos ,piano→pianos, radio→radios, zoo→zoos

b)加es的`名词有:

potato→potatoes, tomato→tomatoes ,hero-> heroes

5.以f或fe结尾的名词变复数时:

a)加s的名词有:

belief→beliefs ,roof→roofs,safe→safes gulf→gulfs

b)去掉f, fe 加ves的名词有:

half→halves ,knife→knives,leaf→leaves ,wolf→wolves,wife→wives, life→lives, thief→thieves