后面还有 很多 等一下
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
不规则变化:(常见)
child-> children
foot-> feet
tooth-> teeth
man->men
woman-> women等