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英语名词单数变复数的规则一、绝大多数的可数名词的复数形式，是在该词末尾加上后辍-s。读音变化：结尾是清辅音读[s]，结尾是浊辅音或元音读[z]。例：friend→friends;cat→cats;style→styles;sport→sports;piece→pieces;pen---pens二、凡是以s、z、x、ch、sh结尾的词，在该词末尾加上后辍-es构成复数。读音变化：统一加读[iz]。例：bus→buses;fox→foxes;match→matches;flash→flashes但stomach的复数为stomachs。三、以辅音字母+y结尾的名词，将y改变为i，再加-es。aoeiu属元音读音变化：加读[z]。例：candy→candies;daisy→daisies;fairy→fairies;lady→ladies;story→stories四、以-o结尾的名词，如果不是外来词或缩写，就加-es，否则加-s构成复数。读音变化：加读[z]。有生命的加es例：tomato→tomatoes;potato→potatoes;Negro,hero反例：silo→silos;piano→pianos（外来词）;photo→photos;kilo→kilos,zoo→zoos,radio→radios,piano→pianos,video→videos。五、以-f或-fe结尾的名词，多为将-f或-fe改变为-ves，但有例外。读音变化：尾音[f]改读[vz]。thief,life,wife,shelf,self,knife,half,leaf,wolf例：knife→knives;life→lives;leaf→leaves;staff→staves;scarf→scarves反例：roof→roofs2.不规则变化名词单数变复数的不规则变化要注意以下几点：①含man的名词，一般变man为men。如woman→women,policeman→policemen,Englishman→Englishmen。但German→Germans。②将oo改为ee的有foot→feet,tooth→teeth,goose→geese等。③复数以en结尾的有child→children,ox→oxen等。④将ouse改为ice的有mouse→mice,louse→lice(虱子)等。⑤单复数同形的有sheep,deer,fish,means,works(工厂),Swiss,Japanese,Chinese等。除人民币元、角、分外，美元、英镑、法郎等都有复数形式。例：adollar,twodollars;ameter,twometers以O结尾的词，许多加es构成复数，特别是一些常用词如：heroes,potatoes,tomatoes,echoes,tornadoes,torpedoes,dominoes,vetoes,mosquitoes,Negroes,mangoes,buffaloes,volcanoes但下面几类词只加s：1.以“元音+o”或“oo”结尾的词如:videos,radios,studios,folios,oratorios,embryos,zoos,bamboos,kangaroos,taboos2.一些外来词，特别是音乐方面的词，如：pianos,solos,concertos,tobaccos,mottos,cellos3.一些缩写词和专有名词，如：kilos,photos,memos,micros,Eskimos,Filipnos有个别词加两种词尾都可以，如：archipelago(e)s,halo(e)s,cargoes(英），cargos(美）名词由单数变成复数的练习写出下列名词复数leaf______puppy小狗______box_______knife_______fly______fox______bus______bench_____brush_____kiss______church______dish_____peach________glass_____pencil________boy______zoo______man______roof_______sheep_______knife______lady______key______story______watch______bamboo______city______family______day_____apple_______eraser______speech______thief______mouse______fish_____goose____people______ox_____Chinese_______deer_______foot______child_______tooth_______guy________hero_______boss_____monkey______city______goat______radio________horse______dog______用所给的单词的复数的正确形式填空：1Therearesomany________(wolf)intheforest.2Therearethree______(chair)intheclassroom.4______(hero)aregreat.5Mybrotherlooksaftertwo______(baby)6Therearesome______(deer)eatingthegrass.8Chinese______(people)liketoeatnoodles.9Ihavealotof______(toy)inmybedroom.10Ihelpmymotherwash______(dish)inthekitchen.11Ihavetwo______(pencil-box).16Michaellikesthe______(mouse).17Therearesome______(goose)intheriver.选出正确形式1．Icanseethree________inthezoo.AmonkeiesBmonkeysCmonkey3.Mytwobrothersareboth______.A.policemanB.policemansC.policemen5.Icanseeten_____inthepicture.A.sheepB.dogC.pig6.The_____hasthree______.A.boys,watchesB.boy,watchC.boy,watches7.Canyousee_______ontheplate?A.breadB.breadsC.breades9.MrBlackoftendrinksome_________.A.milkB.milksC.milkes10.Therearesome_____onthefloor.A.childB.waterC.books11._______willlearnEnglish.A.WomanB.WomenC.Man13.Idranktwo______.A.bottlesoforangeB.bottleoforangeC.bottlesoforanges14.Thecateatstwo______lastnight.A.mousesB.miceC.mouse15.Ineedapenandsome_____.A.booksB.deskC.chair16Jimwaslatefortwoclassesthismorning.Hesaidthatheforgotbothofthe____A.roomsnumberB.RoomnumberC.Room’snumberD.Roomnumbers17.Thenewly-builtlibraryisa______building.A.five-storeyB.fivestoreysC.five-storey’sD.fivestoreys’18.---Whoseumbrellaisit?---It’s_______.A.somebodyelse’sB.SomebodyelseC.Somebody’selse’sD.Somebody’selse19.Ifeelterriblyhot,What’sthe_____?A.temperatureofroomB.Room’stemperatureC.RoomtemperatureD.Temperatureofroom’s21.ThegirltalkingtoMaryisafriendof________.A.Mary’ssisterB.Marysister’sC.Mary’ssister’sD.sisterofMary’s22.Thewomanoverthereis______mother.A.JuliaandShelley’sB.Julia’sandShelley’sB.C.JuliaandShelleyD.Julia’sandShelley24．---Excuseme，whereare_______offices?---Overthere．A．teacher’sB．teachers’C．theteacher’sD．theteachers’25．TodayisSeptember10th.It’s_____Day.Let’sgoandbuysomeflowersforourteachers.A.TeacherB.Teachers’C.theTeachers’D.Teacher’s一.写出以下单词的复数.I_________him_________this___________her______watch_______child_______photo________diary______day________foot________book_______dress________tooth_______sheep______box_______strawberry_____thief_______yo-yo______peach______sandwich______man______woman_______paper_______juice___________water________milk________rice__________tea__________二、判断正误。下例表述正确的，在题后横线上打“∨”，错误的改正并说明其错误原因。1、sheeps_____2、buses_____3、myclassmates'sfather_____4、aonion_____5、someboys_____6、fivegoose_____7、twowomans_____8、thechildren'stoys_________9、amapofChina_____10、apaper_____11、threebottleofwater_____12、twobabys_____13、peachs_____14、potatoes_____15、foxs_____16、someleafs_____17、photoes_____18、dogs_____19、theclassroom'swall_____20、mouses_____二、写出下例名词的复数形式1、monkey_____4、house_______5、bus________6、lady_______7、sheep________8、deer________9、child_____10、foot_________12、ox_____13、desk________15、pencil_____16、dish_____17、film_______18、day_____19plane_______20、month_________21in