《可数名词单数变复数ppt课件.ppt》由会员分享，可在线阅读，更多相关《可数名词单数变复数ppt课件.ppt（52页珍藏版）》请在三一办公上搜索。
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 .,
2、可数名词是指能以数目来计算，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,b
3、uses bsz,foxes 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:b
4、riz,ladies leidiz,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“
5、狼”(wolf)劈成两“半”(half)。,巧记：,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:zbamb
6、oobamboosbmbu:z,11 个别以O结尾的名词可有两种复数形式,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
7、元、角、外， 美元、 英镑、 欧元等 都有复数形式。,例词 one dollar two 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。,Ac
8、tivity1袜子配对：将成对的袜子连线并涂上相同的颜色,boy,boys,pen,pens,eyes,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,watc
9、hes,trees,keys,questions,beds,heroes,friends,families,dictionaries,photos,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
10、red. 4_(hero) are great.5My brother looks after two _(baby)6There are some _(deer) 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 mon
11、keys B monkeys C monkey2.The pig has four _.foot B. feet C. foots3.My two brothers are 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. bo
12、y, watches7.C an you see _on the plate? A. bread B. breads C. breades8.The girl often brushes her_ before 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!,
