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---monkeys 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---halves knife---knives leaf---leaves wolf---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,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_______ knife_______ 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. 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 1．I can see three ________ in the zoo. A monkeies B monkeys C monkey 2.My two brothers are both ______. A. policeman B. policemans C. policemen 3.There are four ___________ in the class. A. Japanese B. Japaneses C. Japan 4.I can see ten _____ in the picture. A. sheep B. dog C. pig 5.The _____ has three______. A. boys, watches B. boy, watch C. boy, watches,Check the answer！,boxes 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 dogs wolves（狼） chairs tomatoes babys people pencil-boxes buses teeth children man B C A A C,Thank you！,Bye Bye！,。