名词单数变复数变化规则:一.可数名词1.一般名词复数是在名词后面加上“s”,如map→maps,bag→bags,book-books等;2.以s,x,sh,ch结尾的词加“es”,如bus→buses,watch→watches,box-boxes等;3.以f或fe结尾的名词变复数时,去掉f,fe加ves的名词有:half→halvesknife→knivesleaf→leaveswolf→wolveswife→wiveslife→livesthief→thieves4.以o结尾的名词变复数时:a)加s的名词有(无生命):photo→photos,piano→pianos,radio→radiosb)加es的名词有(有生命):potato→potatoestomato→tomatoes5.以辅音字母+y结尾的词,变y为i加es,如baby→babies,family-families,study-studies等;以元音字母+y结尾的名词变复数时,直接加s变复数,如monkey→monkeys,holiday→holidays,storey→storeys(楼层);6.oo变ee的单词:foot-feet,goose-geese,tooth-teeth;7.a变e的单词:man-men,woman-women,policeman-policemen;8.复数与原形一致的单词:fish-fish,sheep-sheep,deer-deer,Chinese-Chinese,Japanese-Japanese;注:1.fish指“鱼肉”时,是不可数名词;2.fish指“鱼的多少”时,是可数名词,但单数和复数同行;Therearemanyfishintheriver。3.fish强调鱼的“种类“时,复数是“fishes”。Therearemanykindsoffishesintheriver。9.有些名词以-s结尾,但表达的是单数意义,例如:news,maths,politics,physics,theUnitedStates等。10.常以复数形式出现的名词,例如:glasses,trousers,shoes,gloves,socks等,要表达他们的量时常用pair,例如:apairofglasses/shoes;复数只需量词变复数,例如:twopairsofshoes11.名词作定语时,不用复数形式,如:ashoeshop。如果要表示复数,则去掉不定冠词,把名词词组中的最后一个名词变成复数形式,如:anappletree---appletrees例外:man,woman作定语时,如果后面的名词是复数,则man,woman也要跟着变复数。如:awomanteacher----threewomenteachers常见的不可数名词:Food,meat,fish,chicken,beef,drink,milk,water,homework,news,information,fun,work,Chinese,English,music等二.名词所有格(一)表示有生命的名词所有格1.在单数名词后加---’s,如:theteacher’soffice2.以-s结尾的复数名词后加“’”如:theteachers’soffice3.不以-s结尾的名词复数后加“’s”,如:theChildren’sPalace4.用and连接两个并列的单数名词表示共有时,只需在后一个并列名词词尾加“’s”;如果不是,则需在各个并列名词后分别加“’s”。如:JohnandMary’shouse,John’sandMary’shouse(二)表示无生命的名词所有格一般用“of+名词”表示,如:thecapitalofChina(三)双重所有格将’s与of结合一起使用构成双重所有格,例如:afriendofmyfather’s我父亲的一位朋友aphotoofmine我的一张照片名词单数变复数的练习题一、写出下列名词的复数形式1、orange__________2、class___________3、monkey__________4、piano___________5、child___________6、shelf____________7、bed____________8、country__________9、family___________10、toy__________11、foot__________12、radio__________13、photo__________14、tomato___________15、woman___________16、knife________17、sheep__________18、ship__________19、dish___________20、mouse___________二、用所给的单词的复数的正确形式填空:1Therearethree_____________(chair)intheclassroom.2These_____________(tomato)arered.3Mybrotherlooksaftertwo_____________(baby)4Myfatherlikestoeat_____________(potato).5Chinese_____________(people)liketoeatnoodles.6Ihavealotof_____________(toy)inmybedroom.7Mymotherwash_____________(dish)inthekitchen.8Ihavetwo_____________(pencil-box).9Therearesome_____________(bus)inthestreet.10Monsterhaseight_____________(foot).三、选择填空()1.Icanseethree________inthezoo.A.monkeysB.monkeysC.monkey()2.Thepighasfour________.A.footB.feetC.foots()3.Mytwobrothersare________.A.policemanB.policemansC.policemen()4.Icanseeten_____inthepicture.A.sheepB.dogC.pig()5.The_____hasthree_____.A.boys,watchesB.boy,watchC.boy,watches()6.Canyousee_______ontheplate?A.breadB.breadsC.breades()7.Thegirloftenbrushesher_____beforeshegoestobed.A.toothB.toothsC.teeth()8.Mr.Blackoftendrinksome_________.A.milkB.milksC.milkes()9.Therearesome_____onthefloor.A.childB.manC.books()10.Lucywillhassome_______.A.photoB.photosC.photoes()11.Iamdrinkingtwo________.A.cupsofwaterB.cupofwaterC.cupsofwaters()12.Thecateatstwo_______onMonday.A.mousesB.miceC.mouse()13.Ineedapenandsome_____.A.booksB.deskC.chair()14.Thereare______intheroom.A.photosB.photoesC.photo()15.Thereissome_____intheriver.A.fishB.fishesC.fishs()16.There___two___inthebox.A.iswatchB.arewatchesC.arewatch()17.Wehavetoclean___everyday.A.ourtoothB.ourtoothsC.ourteeth()18.My_____roomisnexttothereadingroom.A.teacherB.teacher’sC.teachers()19.TomandJimare______.A.friendsB.friendC.brother()20.Howmany_____dotheyhave?A.pictureB.picturesC.apicture四写出下列名词的复数形式。1.bag_______2.orange_______3.family_______4.wish_______5.shelf_______6.knife_______7.key_______8.baby_______9.tooth_______10.foot_______11.woman_______12.sheep_______13.Japanese_______14.potato_______15.radio_______16.child_______17.fish_______18.photo_______19.Frenchman_______20.mandoctor_______21.watch_______22.bus_______23.sheep_______24.foot_______五选择填空1.Theycomefromdifferent______A.countryB.countriesC.acountryD.countrys2.Howmany______doyouseeinthepicture?A.tomatosB.tomatoesC.tomatoD.thetomato3.Theyare______.A.womanteachersB.womenteachersC.womenteacherD.womanteacher4.Wouldyoulike_______,please?A.twoglassofwaterB.twoglassesofwaterC.twoglassofwatersD.twoglassesofwaters5.Mostof______livein_______.A.Germans,GermanB.German,GermenC.Germen,GermanyD.Germans,Germany6.Therearesome______inthese_______.A.knifes…pencil-boxesB.knives…pencils-boxC.knives…pencil-boxD.knives…pencils-boxes7.______like______byair.A.Greens,travellingB.TheGreen,travelingC.TheGreens,travelD.TheGreens,traveling8.Iwonderwhy______areinterestedinactionfilms(武打片).A.thepeopleB.peopleC.peoplesD.thepeoples9.Thereisno______intheplate.A.applesB.orangesC.riceD.eggs10._______aregoodforourhealth.A.TomatosB.TomatoesC.Tomato11.______and______arenotfriends.A.Foxs…wolfsB.Foxes…wolfsC.Foxes…wolves12.Thesearethe______ofournational______.A.photos…heroesB.photoes…heroesC.photos…heros13.The______arerunni