英语动词后面加s,es,去y加ies的单词。越多越好答:把y变i再加es:fly—flies,family—families,baby—babies 4.以f/fe结尾的名词,把f/fe变v再加es:knife—knives,life—lives 5.以o结尾的名词:有生命的加es:tomato—tomatoes,potato—potatoes,Negro—Negroes,hero—heroes,无生命的加s:photo—photos,radio—radios,zoo—zoos,piano--pianos ...