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名词单复数的用法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：aball【一个球】（单数名词）somewater【一些水】（单数名词）twoballs【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-s1.清辅音后读/s/map-mapsbook-books2.浊辅音和元音后读/z/bag-bagscar-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-busesmatch-matches以ce,se,ze,(d)ge等结尾的词加-s读/iz/exercise-exercisesbridge-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：twoMarystheHenrysmonkey---monkeysholiday---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---knivesleaf---leaveswolf---wolveslife---livesthief---thieves特殊：roof---roofs均可：handkerchief--handkerchiefs/handkerchieves名词复数的规则变化(4)sometomatoessomepotatoessomeheroes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:Heroeslovetomatoesandpotatoes.名词复数的规则变化(5)名词复数的不规则变化(1)man--menwoman--womenmendoctorswomenteachersfoot--feetchild-childrentooth--teethmouse--mice名词复数的不规则变化(2)aGermansomeGermansAmerican--AmericansAustralian--AustraliansCanadian--CanadianssomepolicemenapolicemanEnglishman–EnglishmenFrenchman--Frenchmen一些需要强调的表示人的名词复数onesheeptwosheepaChinesetwoChineseaJapaneseseveralJapanese名词复数的不规则变化(3):单复数形式相同onefish一条鱼fishes不同种类的鱼／各种各样的鱼threefish三条鱼somefish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”PracticeMakesPerfect！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：1Therearesomany________(wolf)intheforest.2Therearethree______(chair)intheclassroom.3These_______(tomato)arered.4Mybrotherlooksaftertwo______(baby)5Chinese______(people)liketoeatnoodles.6Ihavetwo______(pencil-box).7Therearesome______(bus)inthestreet.8Lindahasthree_______(tooth).9Therearesome______(child)inthegarden.10Myuncleandfatherare_____(man).选出正确形式1．Icanseethree________inthezoo.AmonkeiesBmonkeysCmonkey2.Mytwobrothersareboth______.A.policemanB.policemansC.policemen3.Therearefour___________intheclass.A.JapaneseB.JapanesesC.Japan4.Icanseeten_____inthepicture.A.sheepB.dogC.pig5.The_____hasthree______.A.boys,watchesB.boy,watchC.boy,watchesChecktheanswer！boxesknivesbusesbrushesrulerspeachesglassespencilsboyszoosmensheep（羊)keysstorieswatchescitiesfamiliesdaysappleserasersmice（老鼠）fishChinesedeer（鹿）feet（脚）childrenteethheroes（英雄）monkeyscitiesradiosdogswolves（狼）chairstomatoesbabyspeoplepencil-boxesbusesteethchildrenmanBCAAC