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名词复数的特殊变化直接加-sclass,box,watch,brush等词以s,x,ch,sh,结尾story,factory等以"辅音字母+y"结尾的词knife,wife,life等以-f或-fe结尾的词以-o结尾的名词不规则变化1.tooth()foot()2.child(),mouse(),3.man(),woman()单复数同形deer,sheep,people,Chinese(人),Japanese(人)people,police,cattle等词,以单数形式出现,但实为复数,所以它们的谓语当然也是复数形式,这就是集体名词。theEnglish,theFrench,theChinese等名词表示国民总称时,也作复数用。注意:maths,politics,physics等学科名词,虽然以-s结尾,仍为不可数名词。还有theUnitedStates(美国),theUnitedNations(联合国)等应视为单数。名词作定语(它作定语时一般用单数,但也有以下例外。)man,woman等作定语时,它的单复数以其所修饰的名词的单复数而定。数词+名词作定语时,这个名词一般保留单数形式,中间加连字符。如:aten-milewalk十里路,two-hundredtrees两百棵树。名词所有格:表示“……的”通常是在名词的后面加-s,如:Children'sday,father'sshoes。但以-s结尾的名词因为已经有s了,只需加'就OK了如果两个名词并列,并且分别有's,.则表示“分别有”。.如:John'sandMary'sroom(约翰和玛丽各有一间,共两间);两个名词并列,只有一个's,则表示"共有"。如:JohnandMary'sroom(约翰和玛丽共有一间)。还有些无生命名词的所属要用介词of来帮助一下,如:amapofChina,theendofthisterm。练习:一、找出下列词中的名词。singringpencanskyflychoosechairnosenopickpigbookreaddeskdobagswimeatwindowlightradiopotato二、写出下列名词的复数形式。leaf-______puppy-______box-______knife-______fly-_____fox-_______bus-_______bench-________brush-________kiss-________church-________dish-______ruler-_______peach-_______glass-_______pencil-______boy-______zoo-_______man-______roof-________sheep-_______knife-______lady-_______key-_______chimney-_______story-_______watch-______bamboo-_______city-_______family-________day-_______apple-_______eraser-_______elf-_____speech-_____thief-______mouse-_______fish-______goose-______people-______ox-_____Chinese-________deer-________foot-______child-______tooth-_______guy-_____hero-_____Negro-_______spy-_______sheep-________boss-_____三、写出适当的名词。a______ofteaa_______ofwatera________ofsoupa______ofpapera______ofchocolatea______ofcakea______ofshoesa_______offlowera_______ofshampooa____ofmilka______ofglassesa______ofcokea______ofsneakersa_____ofbreada_______ofsoapa______ofglovesa_______ofslippersa_______ofhama_______ofjuice四选择正确的答案1.Iam___(a,an)student.2.Thereis____(a,an)elephantinthezoo.3.Youare____(a,an)goodboy.4.Ihave__