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一、名词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。1.从单数变复数，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．不规则名词复数：man-men,woman-women,policeman（男警察）-policemen,policewoman（女警察）-policewomen,mouse-micechild（孩子）-childrenfoot-feet,.tooth-teethfish-fish,sheep（羊）-sheeppeople-people,Chinese-Chinese,Japanese-Japanese,当people后加上s时即peoples表示“民族”例如：Thereare56peoplesinChina.中国有56个民族。2.以下词为常为不可数名词，他们的复数形式就是他们本身。Water(水)milk(牛奶)tea(茶)rice(米饭)orange（橙汁）juice（果汁）bread（面包）练习题写出下列各词的复数I_________this___________that___________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_______________-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.名词单复数讲解及练习名词单复数（1）名词可以分为可数名词和不可数名词，不可数名词没有单复数，一律看作单数。（2）可数名词的单数前什么时候用a，什么时候用an？答：以元音音标（或音素）开头的用an。以辅音音标（或音素）开头的用a。注意：我们看的是音标（或音素），而不是元音字母。一、选择a或an或不填（用/表示）penbagapplebigapplebananaorangeorangesorangepen（3）可数名词的变化规则：①一般在词尾加s，如：books，bags，fruits。加s之后的读音②以s、x、ch、sh结尾的名词加es，③以辅音字母加y结尾的名词，变y为i再加es，读[iz]；以元音字母加y结尾的名词直接在词尾加s。如：baby——babies④以f、fe结尾的名词变f、fe为ves,如：wolf[wulf]狼——wolveswife（妻子）—life（生命）—knife—⑤以o结尾的名词加es的有：如：zoo——zoosphoto——photos（4）名词复数的不规则变化：man—men男人woman[wumEn]—women[5wimin]女人tooth[tu:W]—teeth[ti:W]牙齿foot[fut]—feet[fi:t]脚，英尺goose[gu:s]—geese[gi:z]鹅mouse[maus]—mice[mais]老鼠②child[tFaild]—children[5tFildrEn]孩子③单复同形的名词有：chinese[5tFaini:z]中国人Japanese[7dVApE5ni:z]日本人sheep[Fi:p]绵羊deer[diE]鹿fish[fiF]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。一、名词复数规则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,brush-brushes,watch-watches3．以“辅音字母+y”结尾，变y为i,再加-es，如：family-families,strawberry-strawberries4．以“f或fe”结尾，变f或fe为v,再加-es，如：knife-knives5．不规则名词复数：man-men,woman-women,policeman-policemen,policewoman-policewomen,mouse-micechild-childrenfoot-feet,.tooth-teethfish-fish,people-people,Chinese-Chinese,Japanese-Japanese1.Ihavetwo_____(knife)2.Therearemany_____here.(box)3.Therearemany_____ontheroad.(bus)4.Afew_____aredrawingonthewall.(boy)5.The_____areplayingfootballnow.(child)兔儿们，元宵节就要到了，HappytheLanternFestival!元宵节快乐呀，代我向你们全家问好。theLanternFestival（元宵节）。今天我们一起来回顾一下，名词复数形式的变化规则；1.大多数情况下，直接加s2.以sxshch结尾的名词变复数，加es3.以ffe结尾的名词变复数，把ffe变为ves.4.以辅音字母加y结尾的名词变复数，把y变i再加es.例如，family以辅音字母l加y结尾，所以复数形式为families,boy也是以y结尾的，但它是以元音字母o加y结尾的，所以复数形式为boys5.有些以字母o结尾的名词变复数加es,例tomatoes,potatoes6.还有一些不规则变化的，需要同学们分清记牢。如sheep——sheep，child------children二、练习题。一、写出下列名词的复数形式1、orange2、class3、text4、monkey5、piano6、child7、shelf8、bed9、country10、family11、toy12、foot13、Japanese14、radio15、photo16、army17、tomato18、fox19、woman20、knife22、sheep二、选择填空1、Thereonthewall.Theyareverybeautiful.A.arephotoesB.arephotosC.isaphotoD.isphotos2.ThiskindofcarmadeinShanghai.A.isB.areC.wereD.has3.Therearefourandtwointhegroup.A.Japanese,GermenBJapaneses,GermenC.Japanese,GermanC.Japanese,Germans4.That’aartbook.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.ourteeth10.The_____meetingroomisnearthereadingroom.A.teacherB.teacher’sC.teachers’D.teachers11.InBritain_____areallpaintedred.A.letterboxesB.lettersboxesC.letterboxD.lettersbox1）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.eggs2）.填入所给名词的正确形式1.Ihavetwo_____(knife)2.Therearemany_____here.(box)3.Therearemany_____ontheroad.(bus)4.Afew_____aredrawingonthewall.(boy)5.The_____areplayingfootballnow.(child)1）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_______