以f或fe结尾的名词加s的口诀答: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...
以f或fe结尾的名词加s的口诀答: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...