名词变复数规则.doc

文档介绍：名词变复数规则一般名词复数是在名词后面加上“s”,如map→maps,bag→bags等;以s,sh,ch,x等结尾的词加“es”,如bus→buses,watch→watches等;以辅音字母+y结尾的词,变y为i加es,如baby→babies等;以元音字母+y结尾的名词变复数时,直接加s变复数,如monkey→monkeys,holiday→holidays,以o结尾的名词变复数时:(1)没有生命的名词加s:如photo→photos,piano→pianos,radio→radios,(2)有生命的名词加es:如potato→potatoes;tomato→tomatoes;hero—heroes以f或fe结尾的名词变复数时:变f或fe为v,再加es如:leaf;thief;wolf;wife;knife;life不规则的名词变复数,如:man;policeman;woman;policewoman;child;foot;tooth;mouse;sheep;deer;fish;Chinese;Japanese动词变三人称单数一般情况加–s如:make;stop;help以s,sh,ch,x等结尾的词加–es如:dress;pass;wash;teach;watch;teach;fix以辅音字母+y变y为i结尾的词再加es如:study;fly;try;carry以元音字母加y结尾的词,直接加-ed如:play;stay;enjoy;以“o”结尾的动词,加“es”,如:go;do动词变现在分词(即-ing形式),加-ing如:go;ask;look;