小学英语名词复数ppt课件.ppt

可数名词单数变复数规则,1、一般直接在词尾加 s,cats,cat,dog,monkey,car,pear,dogs,monkey s,cars,pears,2、四大尾巴(s,sh,ch,x)后加es,classes,class,brush,peach,box,brushes,peaches,boxes,3、以”o”结尾: 黑人 英雄爱吃土豆和西红柿 复数+es,negroes,negro,hero,tomato,potato,heroes,tomatoes,potatoes,zoo,zoos,其余o结尾的词加s,4、以字母f fe, 结尾，变f fe 为v, 加es,wolves,wolf,wife,shelf,knife,wives,shelves,knives,leaf,leaves,5.以辅音字母+y结尾, 变y为i, 加es,stori es,story,baby,city,monkey,babies,cities,monkeys,boy,boys,以元音字母+y结尾, 只加s,6、不规则变化,men,man,woman,foot,tooth,women,feet,teeth,goose,geese,child,children,mouse,mice,louse,lice,男女脚步牙鹅，儿童老鼠虱婆,7、单复数同形,Chinese,fish,deer,sheep,中国人喜爱 鱼、鹿、羊,Chinese,fish,deer,sheep,