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1、名词单复数讲解及练习1.（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•）冠词练习题penbagapplebigapplebananaorangeorangesorangepen（3）可数名词的变化规则：①一般在词尾加s,如：books,bags,fruitSo加s之后的读音②以s、x、ch、sh结尾的名词加es,③以辅
2、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：babybabies,boyboys④以f、fe结尾的名词变f、fe为ves,如：wolfolveswife―iveslife―ivesknife—knives⑤以o结尾的名词加es的有：potatoes,tomatoes,Negroes其余的，力nSo如：zoozoosphotophotos（4）名词复数的不规则变化：man―enwoman—omentooth—teethfoot—feetgoose—geesemouse
3、―icechild—children单复同形的名词有：ChineseJapanesesheepdeerfishpeople注意：fish①当一条鱼讲时，单复数同形，如threefish.②当强调鱼的种类时，要加es.如：allkinds[kaindz]offishes.各种各样的鱼③当鱼肉讲时，不可数。注意：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，他们没有复数形式。water（水）milk（牛奶）tea（茶
4、）rice（米饭）orange（橙汁）juice（果汁）bread（面包）强化练习题一＜一＞、选择填空1.Thereonthewall.Theyareverybeautiful.A.arephotoesB・arephotosC・isaphotoD.isphotos2.ThiskindofcarmadeinShanghai.A.isB.areC.wereD.has3.Therearefourandtwointhegroup・A.Japanese，GermenBJapaneses,GermenC・Japanese，Ger
5、manC.Japanese,Germans4.That'aartbook.A.anB.aC.theDare4.Theboyshavegotalready.A.twobreadB.twobreadsC.twopiecesofbreadD.twopieceofbread4.Theoldmanwants.A.sixboxesofapplesB・sixboxesofappleC.sixboxofapplesD・sixboxsofapples5.Theresomeintheriver.A.is,fishB.are,fishsC
6、.is,fishsD.are,fish6.Theretwointhebox.A.iswatchB.arewatchesC.arewatchD.iswatches7.Weshouldcleantwiceaday.A.ourtoothB.ourtoothsC.teethD.ourteeth8.Themeetingroomisnearthereadingroom.A.teacherB.teacher'sC.teachers,D.teachers9.InBritainareallpaintedred.A」etterboxes
7、B」ettersboxesC」etterboxD」ettersbox12.TheycomefromdifferentA.countryB.countriesC.acountryD.countrys13.Howmanydoyouseeinthepicture?A.tomatosB.tomatoesC.tomato14.TheyareA•wornanteachersB.womenteachers15.Wouldyoulike,please?A.twoglassofwaterB.twoglassesofwater16.Mo
8、stoflivein.A.Germans,GermanB.German,Germen17.Therearesomeinthese.A.knifes・・・pencil-boxesB.knives・・・pencils-boxC・knives---pencil-box18.likebyair.A.Greens,traveHingB.TheGreen,
