名词单复数的用法ppt课件.ppt

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1、人教版初中英语七年级上册第二单元名词单复数的用法 单位：西村乡第一初级中学 姓名：王兰 课题编号：WKYJ15036 参评类型：微课,名词单复数的概念,英语上名词按可数与否可分为可数名词【如：apple（苹果）ball（球）等】和不可数名词【如：water（水）等】可数名词按数目又可分为单数名词和复数名词两类.（注：不可数名词没有复数形式如water(水).）单数名词主要用来表示“一个”东西的概念.数量大于“1”就应用复数名词来描述.例：a ball 【一个球】（单数名词） some water【一些水】（单数名词）two balls【两个球】（复数名词） （注：water是不可数名词,只有单

2、数形式,没有复数形式）,一般情况加 -s 1.清辅音后读/s/ map-maps book-books 2.浊辅音和元音后读 /z/ bag-bags car-cars,名词复数的规则变化(1),以s,x, sh, ch 等结尾的词 加 -es 读 /iz/bus-buses match-matches,以ce,se,ze,(d)ge等结尾的词加 -s读 /iz/ exercise-exercises bridge- bridges,名词复数的规则变化(2),以y 结尾的专有名词，或元音字母+y 结尾的名词变复数时，直接加-s变复数： two Marys the Henrys monkey-m

3、onkeys holiday-holidays,以辅音字母+y结尾变y 为i再加es 读 /z/ baby-babies,名词复数的规则变化(3),以f 或 fe 结尾变f, fe 为ves： 如：half-halvesknife-knives leaf-leaveswolf-wolves life-lives thief-thieves特殊： roof-roofs均可： handkerchief - handkerchiefs / handkerchieves,名词复数的规则变化(4),some tomatoes,some potatoes,some heroes,初中阶段以o结尾的名词复数

4、主要是加- s,只有这几个加- es:Heroes love tomatoes and potatoes.,名词复数的规则变化(5),名词复数的不规则变化(1),man - men,woman - women,men doctors,women teachers,foot - feet,child - children,tooth - teeth,mouse - mice,名词复数的不规则变化(2),a German,some Germans,American -Americans Australian-Australians Canadian-Canadians,some policemen

5、,a policeman,Englishman Englishmen Frenchman - Frenchmen,一些需要强调的表示人的名词复数,one sheep,two sheep,a Chinese,two Chinese,a Japanese,several Japanese,名词复数的不规则变化(3):单复数形式相同,one fish一条鱼,fishes不同种类的鱼各种各样的鱼,three fish三条鱼,some fish一些鱼肉,可数名词,不可数名词,名词复数的不规则变化(4):好玩的 “fish”,Practice Makes Perfect！,写出下列名词复数box_ kni

6、fe_ bus_ brush_ ruler_ peach_ glass_ pencil_ boy_ zoo_ man_sheep_ key_ story_ watch_ city_ family_ day_ apple_ eraser_ mouse_ fish_Chinese _ deer _ foot_ child_ tooth_hero_ monkey_ city _ radio _ dog _,用所给的单词的复数的正确形式填空：1There are so many_(wolf)in the forest.2There are three _(chair) in the classroom

7、.3These _(tomato) are red. 4My brother looks after two _(baby)5Chinese _(people)like to eat noodles.6I have two _(pencil-box). 7There are some _(bus)in the street.8Linda has three _(tooth).9There are some _(child) in the garden.10My uncle and father are _(man).,选出正确形式1I can see three _ in the zoo.A

8、monkeies B monkeys C monkey2.My two brothers are both _.A. policeman B. policemans C. policemen3.There are four _ in the class.A. Japanese B. Japaneses C. Japan4.I can see ten _ in the picture.A. sheep B. dog C. pig5.The _ has three_.A. boys, watches B. boy, watch C. boy, watches,Check the answer！,b

9、oxes knives buses brushes rulers peaches glasses pencils boys zoos men sheep（羊) keys stories watches cities families days apples erasers mice（老鼠） fish Chinese deer（鹿） feet （脚） children teeth heroes（英雄） monkeys cities radios dogswolves（狼） chairs tomatoes babys people pencil-boxes buses teeth children manB C A A C,Thank you！,Bye Bye！,