可数名词单数变复数规律.doc

可数名词单数变复数规律:1、词尾直接加s型:students,apples,bags,trees,books,brothers2、以s、x、sh、ch结尾的名词加es型:glasses,boxes,brushes,matches3、以辅音字母加y结尾的名词,变y为i加es型:city-cities,baby-babies4、以元音字母加y结尾的名词,直接加s:boys,toys5、以f或fe结尾的名词,多数变f为v加es:wives,knives,thief,life,half,leaf,shelf,wolf,除了roof6、以o结尾的名词,一般直接加s:radios,zoos,pianos,photos;除了5个特殊的词需要加es:Negroes,heroes,potatoes,tomatoes,mangoes.(黑人英雄爱吃土豆和西红柿:薯条蘸番茄酱;最后再吃点芒果)7、不规则变化的词:foot→feet,goose→geese,tooth→teeth,man→men,woman→women,sheep→sheep,deer→deerChinese→Chinese,Japanese→Japanese,child→children,mouse→,oo常常变ee,foot→feet是一例;男人、女人a改e,woman→women是一例;child复数children要记准,中、日、鹿、绵羊无变化,单数、复数是一家。第三人称单数(他,她,它)是除了你、我,还有复数以外(他们,她们,它们)的人称。,。不规则名词复数的单词有哪些?一、通过内部元音变化的方法来构成复数形式。man→men(男人)woman→women(女人)foot→feet(英尺,脚)tooth→teeth(牙)goose→geese(鹅)mouse→mice(老鼠)louse→lice(虱子)二、词尾加-en构成。ox→oxen(牛)child→children(孩子)三、以f或fe结尾,在构成复数时,去掉f或fe加-ves。half→halves(半)thief→thieves(贼)wife→wives(妻子)life→lives(生命)knife→knives(小刀)wolf→wolves(狼)calf→calves(小牛)shelf→shelves(架子)leaf→leaves(叶)loaf→loaves(面包的块、条)sheaf→sheaves(捆)self→selves(自己)四、单、复数相同的形式。onesheep(一只羊)→twosheep(两只羊)adeer(一只鹿)→twodeer(两只鹿)aChinese(一个中国人)→twoChinese(两个中国人)五、有些名词只有单数形式。advice(劝告;忠告)information(信息)luggage(行李)knowledge(知识)rubbish(垃圾)furniture(家具)六、passes(圆规)clothes(衣服)pyjamas(睡衣裤)trousers(长裤)breeches(马裤)pants(短裤)goods(货物)binoculars(双筒望远镜)pliers(钳子)scissors(剪刀)scales(天平)arms(武器)premises(房屋)七、合成名词,将主体词变为复数形式。passer-by→passers-by(过路人)brother-in-law→brothers-in-law(姐夫)sister-in-law→s