名词单复数的用法

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：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