摘要：如：tree-trees树,desk-desks桌card-cards,parent-parents, 2、以s,x,ch,sh结尾的加es 如：bus-buses,box-boxes,watch-watches手表,brush-brushes刷子,g...

如：tree-trees树,desk-desks桌card-cards,parent-parents,

2、以s,x,ch,sh结尾的加es.

如：bus-buses,box-boxes,watch-watches手表,brush-brushes刷子,glass-glasses.

3、以辅音字母+y结尾的，改y为i再加es.

如：country-countries国家、乡村,city-cities城市,baby-babies,family-families,

特例：：boy-boys,monkey-monkeys,toy-toys,play-plays(剧本)

4、以f或者fe结尾的词，改f为v,再加es.

如：knife-knives刀,leaf-leaves树叶,wife妻子-wives.

5、以O结尾的单词,有生命的+-es,无生命+s.

如：Hero-heroes英雄,Negro-negroes黑人,potato-potatoes土豆,tomato-tomatoes西红柿。

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