可数名词单数变复数复习专题难点：正确掌握可数名词单数变复数的各种变化规则
anappletwoapples
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可数名词单数变复数还有哪些变化规则呢？
一、请写出下列名词的复数形式并归纳其复数的变化规则。
1.car_______tree_______dog____2.box_____watch?_____bus_____brush______3.city_____country______baby____小结变化规则：
【用法表解】1.可数名词可数名词单数变复数的规则变化:构成方式例词1.一般在词尾加-scake→cakes蛋糕student→students学生2.以s,x,sh,ch结尾的加-esbrush→brushes刷子watch→watches手表3.以“辅音字母+y”结尾的词,把y变为i,再加-escity→cities城市factory→factories工厂
二、请写出下列名词的复数形式并归纳其复数的变化规则。4.knife_____leaf______thief_____5.photo_______radio______zoo____6.tomato______potato______hero______小结变化规则：
构成方式例词4.以f或fe结尾的词,一般把f或fe改为v,再加-eswife→wives妻子wolf→wolves狼以o结尾的可数名词6.有生命的加-espotato→potatoes土豆tomato→tomatoes西红柿5.无生命的加-sphoto→photos照片piano→pianos钢琴
【巧学妙记】(1)巧记变f/fe为v加-es的名词:树叶(leaf)半数(half)自己(self)黄,妻子(wife)拿刀(knife)去杀狼(wolf),架(shelf)后小偷(thief)逃命忙。(2)以o结尾的表示有生命名词：黑人（Negro）英雄(hero)喜欢吃西红柿(tomato)和土豆(potato)
三、不规则变化：7.man_______woman________child________8.mouse______tooth_________foot________?9.Chinese_______Japanese________deer（鹿）______sheep（羊）_______小结变化规则：
(3)一句话巧记名词复数的不规则变化:①变内部元音：man—men,woman—women,child—children(除外),foot—feet,mouse—mice,tooth—teeth（男女孩子的脚踩住老鼠的牙）②单复数同形的可数名词:Chinese(中国人)，Japanese(日本人)，fish(鱼)，deer(鹿)，sheep(绵羊)（中日鱼鹿羊）③各国人变复数:（中日不变英法变,其他s加后面。）即Chinese,Japanese单复数同形;Englishman,Frenchman中man变为men;其余各国人如German,American,Australian,Indian等均在后面直接加-s。
中考链接：1.Forbreakfast,Tinawouldlikesomemilkand(蛋糕).2.Weshouldbrushouraftergettingupeverymorning.A.toothB.toothsC.toothesD.teeth3._Hey,boys.Lookatthefallen（落下来的）._Well,it’stellingusthatautumniscoming.A.leafB.leafsC.leafesD.leaves4.I’dlikesomeand.A.banana;tomatoBbananas;tomatosC.bananas;tomatoesD.banana;tomatoes5.Manyforeignerscametoourschoollastweek,includingthree