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可数名词变复数形式的规则学生：高智洋1一般情况，在词尾加-s.desk---desks书桌girl---girls女孩boy---boyspen---pens2以-s,-x,-ch,-sh结尾的词，在词尾加--esbus---busesbox--boxesbrush--brusheswatch--watch3以辅音字母加-y结尾的词，变y为i，加-esbaby-babies婴儿family--families家庭4以-f或-fe结尾的词，变f或fe为v，再加-esknife---knives刀leaf---leaves树叶5.单复数同形(单数和复数一样）people()sheep()deer（）fish（）典型例词fish：当它解释为鱼肉时是不可数名词，当它解释成同一种鱼时，单复数同形，复数即为fish，当它解释为不同种类的鱼时+es,即为fishes.6.以辅音字母加-o结尾的词，一般情况下，在词尾加-estomato---tomatoes西红柿potato--potatoes马铃薯7.可数名词变为复数形式的不规则变化如下：foot---feet脚mouse---mice老鼠goose---geese鹅ox---oxen公牛man---men男人woman---women女人child---children孩子Chinese--Chinese中国人deer---deer鹿sheep---sheep绵羊fish---fish鱼同步引申国人变复数：口诀“中日不变英法变，其余s加后面”。Chinese--ChineseJapanese--JapaneseEnglishman--EnglishmenFrenchman--FrenchmenAmerican--Americans等等同步练习题把单数变成复数：box__________pencil_____________door__________window__________bag__________bowl____________book_________dog_________________cat__________flower__________-_____tree_________chair________________people_______girl_________________man_________policeman__________policewoman_________tooth______________doctor_____________teacher______________child_____________student______________eye______________ear________________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.AmonkeysBmonkeysCmonkey()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.MrBlackoftendrinksome_________.A.milkB.milksC.milkes()9.Therearesome_____onthefloor.A.childB.manC.books()10.Lucywillhassome_______.A.photoB.photosC.photoes()11.Iamdrinkingtwo________.A.cupsofwaterB.cupofwaterC.cupsofwater()12.Thecateatstwo_______onMonday.A.mousesB.miceC.mouse()13.Ineedapenandsome_____.A.booksB.deskC.chair()14.Thereare______intheroom.A.photosB.photosC.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