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名词单复数变化规则名词可以分为可数名词与不可数名词，其中可数名词具有单、复数的形式；而不可数名词没有复数形式。单数可数名词名词复数不可数名词：没有单复数1.从单数到复数，变形规则如下：1．一般情况下，直接加-s，如：book-books,bag-bags,cat-cats,bed-beds2．以s.x.sh.ch结尾，加-es，如：bus-buses,box-boxes,watch-watches3．以“辅音字母+y”结尾，变y为i,再加-es，如：family-families（家庭）,strawberry-strawberries（草莓）4．以“f或fe”结尾，变f或fe为v,再加-es，如：knife-knives5.以o结尾分两类，有生命的加es,无生命的加s。6．不规则名词复数：man—men男人woman—women女人mouse—mice老鼠tooth—teeth牙齿foot—feet脚goose—geese鹅policeman（男警察）-policemen,policewoman（女警察）-policewomen,child—children孩子7.单复同形的名词有：Chinese中国人Japanese日本人people人们sheep绵羊deer鹿fish鱼注意：fish①当一条鱼讲时，单复数同形，如threefish.②当各种各样的鱼讲时，即强调鱼的种类时，要加es.如：allkinds[kaindz]offishes.各种各样的鱼③当鱼肉讲时，不可数。注意be动词遇到名词时的运用:单数名词用is,复数名词全用are.2.常用不可数名词Water(水)milk(牛奶)tea(茶)rice(米饭)orange（橙汁）juice（果汁）bread（面包）名次单复数练习题一、写出下列各词的复数I_________this___________that___________watch（手表）______child_______photo________day_______foot________sandwich__________book_______dress________tooth_________thief_______knife_________sheep______box_______strawberry__________peach______man______woman_______paper_______juice___________water________milk________rice__________tea________二、写出下列各词的复数1.Ihavetwo_____(knife)2.Therearemany_____here.(box)3.Therearemany_____ontheroad.(bus)4.Afew_____aredrawingonthewall.(boy)5.The_____areplayingfootballnow.(child)三、写出下列名词的复数形式1、orange_________2、class_________3、text__________4、monkey__________5、piano_________6、child________7、shelf____________8、bed____________9、country____________10、family____________11、toy______12、foot______13、Japanese__________14、radio____________15、photo____________17、tomato__________18、fox__________19、woman__________20、knife__________21、sheep__________四、选择填空1、Thereonthewall.Theyareverybeautiful.A.arephotoesB.arephotosC.isaphotoD.isphotos2.ThiskindofcarmadeinShanghai.A.isB.areC.wereD.has4.That’sartbook.A.anB.aC.theDare5.Theboyshavegotalready.A.twobreadB.twobreadsC.twopiecesofbreadD.twopieceofbread6.Theoldmanwants.A.sixboxesofapplesB.sixboxesofappleC.sixboxofapplesD.sixboxsofapples7.Theresomeintheriver.A.is,fishB.are,fishsC.is,fishsD.are,fish8.Theretwointhebox.A.iswatchB.arewatchesC.arewatchD.iswatches9.Weshouldcleantwiceaday.A.ourtoothB.ourtoothsC.teethD.ourteeth11.InBritain_____areallpaintedred.A.letterboxesB.lettersboxesC.letterboxD.lettersbox12.Theycomefromdifferent______A.countryB.countriesC.acountryD.countrys13.Howmany______doyouseeinthepicture?A.tomatosB.tomatoesC.tomatoD.thetomato14.Theyare______.A.womanteachersB.womenteachersC.womenteacherD.womanteacher15.Wouldyoulike_______,please?A.twoglassofwaterB.twoglassesofwaterC.twoglassofwatersD.twoglassesofwaters17.Therearesome______inthese_______.A.knifes…pencil-boxesB.knives…pencils-boxC.knives…pencil-boxD.knives…pencils-boxes18.______like______byair.A.Greens,travellingB.TheGreen,travelingC.TheGreens,travelD.TheGreens,traveling19.Iwonderwhy______areinterestedinactionfilms(武打片).A.thepeopleB.peopleC.peoplesD.thepeoples20.Thereisno______intheplate.A.applesB.orangesC.riceD.eggs21._______aregoodforourhealth.A.TomatosB.TomatoesC.Tomato24.Thesearethe______ofournational______.A.photos…heroesB.photoes…heroesC.photos…heros25.The______arerunningonthe______.A.deer…grassesB.deers…grassC.deer…grass26.IwassohungryandIatetwo______.A.bowlsofnoodleB.bowlsofnoodlesC.bowlofnoodles五、请用括号中名词的复数形式填空1Lookatthose_______.(child)2Icanseea__________standingnearthedoor.(policeman)3Doyouwantsome________fordinner?(potato)4Inautumn,youcanseealotof_______ontheground.(leaf)5Hehastwo_______.Oneisblue,theotherisyellow.(box)6Two________liveinthisbuilding.(family)六、将以下单复数句进行转换1Thisisaknife.______________________________________2Thatisatomato.______________________________________3Thatchildisverygood._____________________________________4Thesearemice.______________________________________5Thosearechildren.______________________________________