可数名词单数变复数ppt.ppt

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1、Whats this?,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.,backpacks,watches,oranges,pens,-What are these?-Theyre.,maps,cases,keys,-What are those?-Theyre.,可数名词是

2、指能以数目来计算，可以分成个体的人或物，因此它有单数，复数两种形式。,可数名词变复数,单数,复数,可数名词,如何变化？,规则变化,1、一般情况词尾加s 浊辅音和元音后读z 清辅音后读s,例词 bag bags bgz cup cups kps row rows ruz,name,pen,book,ruler,names nemz,pens penz,books bks,rulers ru:lz,2、以s,x,ch,sh等 结尾的词，词尾加es，读iz。,例词：boxboxesbksiz watch watcheswtiz classclasses kl:siz,bus,buses bsz,fo

3、xes fksIz,dishes dz,grass,grasses gr:sz,3、以 ce，se，ge 等 结尾的词，词尾加s，读 iz。,例词casecases keisiz raceraces reisizbridge-bridgesbrdiz exercise-exercisesekssazz,4、以“辅音字母+y”结尾的词 变 y 为 i，再加 es，读z。,例词：lobbylobbies lbizdutyduties dju:tiz familyfamilies fmiliz,lady,cities sitiz,strawberries str:briz,ladies leidiz

4、,5、以“元音字母+y”结尾的词，词尾加 s，读 z。,例词：boy boys biz,key,ways wez,toys tz,keys ki:z,monkey,monkeysmkz,6、以 fe 或 f 结尾的词 通常情况下变 f 为 v 加es，读vz。,例词：leafleaves li:vz thiefthieves i:vz wifewives waivz,knivesnavz,halvesh:vz,wolveswlvz,calvesk:vz,“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

5、：,7 部分已f结尾的名词复数还可直接加-s读s,safe,roofsrufs,chiefsti:fs,safessefs,9、以“辅音字母+o”结尾的名词，词尾加es，读z。,例词：hero heroes hiruz potatopotatoes pteituz tomato tomatoes tm:tuz,加-es的名词有:potato,tomato,hero,巧记:英雄爱吃 土豆炖西红柿。,10、以“元音字母+o”结尾的名词 词尾加s，读z。,例词：radioradios reidiuzzoozoos zu:zbamboobamboosbmbu:z,11 个别以O结尾的名词可有两种复数形

6、式,读音为z,mangosmangoes,mosquitosmosquitoes,mz,mski:tz,12、单复数同形，保持原音。例词：fish fish f,sheep sheep i:p cattle cattle ktl deer deer d(r),13、复数形式没有任何规律 例词：manmenmen woman women wmn,toothteeth ti:foot feet fi:t goose geese i:s,childchildren tldrn mouse mice mas,14、除人民币元、角、外，美元、英镑、欧元等 都有复数形式。,例词 one dollar tw

7、o dollars one pound two pounds,名词变复数歌诀名词复数有变化，词尾常把-s加；结尾若是s,x,ch,sh,加上-es要记下；若遇f,fe,更要弄清其变化；先将它们变成v，然后再把-es加；y结尾要分清，两种情况必须明；不规则名词要注意，它的词形需牢记；中日友好不变化，英法联军a变e。,说明:表示某国人，通常在单数后面加s。但是（中国人）Chinese（日本人）Japanese单复数一样，（英国人）Englishman和（法国人）Frenchman只需把a变为e。,Activity1袜子配对：将成对的袜子连线并涂上相同的颜色,boy,boys,pen,pens,ey

8、es,eye,desk,desks,dogs,dog,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-,birds,ladies,oranges,rulers,cats,boys,girls,cases,wives,watches,trees,keys,questions,beds,heroes,friends,families,dictionaries,phot

9、os,cards,leaves,parties,cups,activity2,How many _(book)are there?Key:books,Lucy and Tom are my _(friend).Key:friends,用所给的单词的复数的正确形式填空：1I have two _(pencil-box).2There are three _(chair)in the classroom.3These _(tomato)are red.4_(hero)are great.5My brother looks after two _(baby)6There are some _(dee

10、r)eating the grass.7My father likes to eat _(potato).8Chinese _(people)like to eat noodles.9I have a lot of _(toy)in my bedroom.10I help my mother wash _(dish)in the kitchen.,选出正确形式1I can see three _ in the zoo.A monkeys B monkeys C monkey2.The pig has four _.foot B.feet C.foots3.My two brothers are

11、 both _.policeman B.policemans C.policemen4.There are four _ in the class.Japanese B.Japaneses C.Japan5.I can see ten _ in the picture.A.sheep B.dog C.pig,6.The _ has three_.boys,watches B.boy,watch C.boy,watches7.C an you see _on the plate?A.bread B.breads C.breades8.The girl often brushes her_ bef

12、ore she goes to bed.tooth B.toothsC.teeth9.Mr Black often drink some _.A.milk B.milks C.milkes10.There are some _ on the floor.A.child B.water C.books,句子单数变复数This is a book.That is an eraser.It is a red apple.I am a boy.He/She is a teacher.Whats this?,These are books.Those are erasers.They are red apples.We are boys.They are teachers.Whatre these?,Thank you!,