在一个英语单词后面分别加上s,es,ing,ed或其它字母那是什么意思?_百度...答:1)单数名词加s: students, apples, bags, trees, books, brothers.�2)以s、x、sh、ch结尾的名词加es: glasses, boxes, brushes, matches.�3)以辅音字母加y结尾的名词,变y为i加es: cities, babies, enemies.�4)以f或fe结尾的名词,多数变f为v加es: wives, kn...
英文单词什么时候才在后面加es?答:1.以s,x,ch,sh,z结尾的单词后加es,例如,bus-buses;watch-watches;2.以辅音字母加y结尾的,把y 变i加es,例如,baby-babies,lady-ladies;3.部分以o结尾的单词后加es,例如,potato-potatoes,hero-heroes;4.一般以f和fe结尾的单词要把f,或fe变为ves,例如,wife-wives,knife-knives;