可数名词单数变复数

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

2、? -Theyre .,.,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

3、 classclasses kl:siz,.,bus,buses 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 reisiz bridge- 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 lbiz dutyduties dju:tiz familyfamilies fmi

4、liz,.,lady,cities sitiz,strawberries str:briz,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,calv

5、esk: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：,.,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。,.

6、,10、以 “元音字母+o” 结尾的名词 词尾加s ， 读z。,.,例词： radioradios reidiuz zoozoos zu:z bamboobamboosbmbu:z,.,11 个别以O结尾的名词可有两种复数形式,读音为z,.,mangos mangoes,mosquitos mosquitoes,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,.

7、,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 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

8、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,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-

9、 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,photos,cards,leaves,parties,cups,.,activity2,How many _ (book) are there? Key: books,Lucy and Tom are my _(friend). Ke

10、y: 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 _(deer) eating the grass. 7My father likes to eat _(potato). 8Chinese _(people)like to eat noodles.

11、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 monkey 2.The pig has four _. foot B. feet C. foots 3.My two brothers are both _. policeman B. policemans C. policemen 4.There are four _ in the class.

12、Japanese B. Japaneses C. Japan 5.I can see ten _ in the picture. A. sheep B. dog C. pig,.,6.The _ has three_. boys, watches B. boy, watch C. boy, watches 7.C an you see _on the plate? A. bread B. breads C. breades 8.The girl often brushes her_ before she goes to bed. tooth B. toothsC. teeth 9.Mr Black often drink some _. A. milk B. milks C.milkes 10.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