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名词名词单数单数变变复数复数教师：刘萧君教师：刘萧君语法知识整合训练语法知识整合训练Whats this in English?Its an apple.What are these?They are two apples.-What are these?-Whats this?-Its a pen.-They are pens.-What are those?-Whats that?-Its an English book.-They are English books.-What are those?-Whats that?-Its a map.-They are maps.1.一般情况下，直接在词尾加-s构成复数形式。mapbackpackmapsbackpacksbookbooks1.namepencardrulernamespenscardsrulers-Whats this?Its a watch.-What are these?-They are watches.box2.以s,x,ch,sh等结尾的名词，在词尾加-es构成复数形式。boxesclassclasseswatchwatchesbrushbrushes（刷）sxShch2.busbusesfoxesfox(狐狸)dish(盘子)dishes-Whats this?Its a tomato.-What are these?-They are tomatoes.3.以o结尾的名词，有的加-s,有的加-es构成复数形式。photophotosheroestomatoeszooszoo(动物园)tomato(西红柿)hero(英雄)表示无生命事物的名词，词尾加-s,表示有生命事物的名词，词尾加-es。加-es的名词有:potato,tomato,hero巧记:英雄爱吃英雄爱吃 土豆炖西红柿土豆炖西红柿。-Whats this?Its a strawberry.-What are these?-They are strawberries.-Whats this?Its a dictionary.-What are these?-They are dictionaries.4.以“辅音字母+y”结尾的名词，应改y为i，再加es。familyfamiliesdictionariesdictionarystrawberrystrawberrieskeycitiesstrawberrieskeyscity(城市)strawberry(草莓)以“元音字母+y”结尾的名词，直接在词尾加-s构成复数形式。boyboysdaydaysoayy5.以f或fe结尾的名词，先将f或fe变成v，再加-es构成复数形式。knifekniveshalfhalves5.wivesleaveswolveswife(妻子)leaf(树叶)wolf(狼)roof(屋顶)roofsroof“小偷”(thief)的“妻子”(wife)用“刀子”(knife)和“树叶”(leaf)把“狼”(wolf)劈成两“半”(half)。巧记：单数复数可数名词如何变化？规则变化不规则变化规则变化规则变化Sum up:P951.一般情况下,直接在名词词尾加-s.2.以s,x,sh,ch结尾的名词,在词尾加-es.3.以辅音字母加y结尾的名词，要变y为i再加-es.以“元音字母+y”结尾的名词，直接在词尾加-s.4.以o结尾的名词,表示无生命事物的名词加-s,表示有生命事物的名词加-es。给下列可数名词加复数*bird-card-*lady-orange-ruler-photo-friend-boy-watch-girl-case-*cat-*wife-*tree-key-bed-*hero-family-dictionary-question-*leaf-*party-*cup-birdsladiesorangesrulerscatsboysgirlscaseswiveswatchestreeskeysquestionsbedsheroesfriendsfamiliesdictionariesphotoscardsleavespartiescups选择填空1、There on the wall.They are very beautiful.A.are photoes B.are photos C.is a photo D.is photos2.There are four and two in the group.A.Japanese,Germen B Japaneses,Germen C.Japanese,German D.Japanese,Germans 3.These are_ A.art book B.art books C.arts books D.arts book4.The boys have got already.A.two bread B.two breads C.two pieces of bread D.two piece of bread5.The old man wants .A.six boxes of apples B.six boxes of apple C.six box of apples D.six boxs of apples6.There some in the river.A.is,fish B.are,fishs C.is,fishs D.are,fish 7.There two in the box.A.is watch B.are watches C.are watch D.is watches8.We should clean twice a day.A.our tooth B.our tooths C.teeth D.our teeth9.The _ meeting room is near the reading room.A.teacher B.teachers C.teachers D.teachers 10.In Britain _ are all painted red.A.letter boxes B.letters boxes C.letter box D.letters box(二二)不规则变化不规则变化:3.单复数同形单复数同形(不变不变):sheep(绵羊绵羊)deer(鹿鹿)fish(鱼鱼)1.man,woman men,womenChinese(中国人中国人)Japanese(日本人日本人)6.oo变成变成 ee:foot(脚脚)tooth(牙齿牙齿)goose(鹅鹅)4.只有复数形式：只有复数形式：glasses shoes trousers等等5.单数名词表示复数意义单数名词表示复数意义:people(人们人们)family2.child（孩子）孩子）children（男人，妇女）男人，妇女）
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