小学英语名词变复数课件.ppt

1、名词变复数的规则名词变复数的规则1、一般情况词尾加一般情况词尾加s 浊辅音和元音后读z 清辅音后读s 例词例词 a bag bags bgz cup cups kps row rows ruz2、以s,ss,x,ch,sh等 结尾的词，词尾加es，读iz。例词例词：boxboxesbksiz watch watcheswtiz classclasses kl:siz 3、以 ce，se，ge 等 结尾的词，词尾加s，读 iz。例词casecases keisiz raceraces reisiz4、以“辅音字母辅音字母+y”结尾的词 变 y 为 I，再加 es，读z。例词：例词：lobbylo

2、bbies lbizdutyduties dju:tizfamily-families fmiliz5、以“元音字母元音字母+y”结尾的词，词尾加 s，读 z。例词：例词：boy boys biz例词：例词：leafleaves li:vz thiefthieves i:vz wifewives waivz7、以“辅音字母辅音字母+o”结尾的名词，词尾加es，读z。8、以“元音字母元音字母+o”结尾的名词 词尾加s，读z。例词例词：radioradios reidiuz zoozoos zu:z9、单复数同形单复数同形 ，保持原音，保持原音。例词例词：fish fish sheep sheep

3、 cattle cattle deer deer 10、复数形式没有任何规律复数形式没有任何规律 例词：例词：manmen woman women childchildren foot feet 11、除人民币元、角、外，美元、美元、英镑、英镑、欧元欧元等 都有复数形式。例词 a dollar two dollars one pound two pounds 名词变复数歌诀名词变复数歌诀名词复数有变化，词尾常把名词复数有变化，词尾常把-s加；加；结尾若是结尾若是s,x,ch,sh,加上加上-es要记下；要记下；若遇若遇f,fe,更要弄清其变化；更要弄清其变化；先将它们变成先将它们变成v，然后再

4、把，然后再把-es加；加；y结尾要分清，两种情况必须明；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；不规则名词要注意，它的词形需牢记；中日友好不变化，英法联军中日友好不变化，英法联军a变变e。说明说明:表示某国人，通常在单数后面加表示某国人，通常在单数后面加s。但是（中国人）但是（中国人）Chinese（日本人）（日本人）Japanese单复数一样，单复数一样，（英国人）（英国人）Englishman和（法国和（法国人）人）Frenchman只需把只需把a变为变为e。名词单数变复数名词单数变复数(一一)规则变化规则变化:1.1.加加s s 2.2.加加s,x,ch,shs,x

5、,ch,sh结尾的名词加结尾的名词加eses3.3.以辅音字母加以辅音字母加y y结尾的名词结尾的名词,先改先改y y为为i,i,再加再加eses(mothers,fathers,sisters,brothers)(buses,boxes,watches)(family -families dictionary-dictionaries)区别区别 key keys boy-boys(二二)不规则变化不规则变化:4.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)2.man,woman men,women1.加加es:potatoes(土豆土豆)tomat

6、oes(西红柿西红柿)Chinese(中国人中国人)Japanese(日本人日本人)6.oo ee：foot(脚脚)tooth(牙齿牙齿)goose(鹅鹅)5.以以 f/fe结尾的结尾的,变变f为为v,再加再加eswife(妻子妻子)knife(小刀小刀)shelf(架子架子)leaf (叶子叶子)wolf(狼狼)3.child（孩子）孩子）children（男人，妇女）男人，妇女）名词单数变复数后名词单数变复数后s/es 的读音的读音1.在清辅音后读在清辅音后读/s/2.在元音和浊辅音后读在元音和浊辅音后读/z/3.在在/s/z/t /d /后后 读读/iz/4.在在/t/后读后读/ts/，

7、在在/d/后读后读/dz/desks mapsbrothers pensclasses,watches,orangescats,friends pen desk key box knife card orange boy friend parent mother father sister brother son daughter cousin family child man pencil case sheepssssesknivessssssssssssfamilieschildrenmenssheep句子单数变复数句子单数变复数1.This is a book.2.That is an

8、eraser.3.It is a red apple.4.I am a boy.5.He/She is a teacher.6.Whats this?These are books.Those are erasers.They are red apples.We are boys.They are teachers.Whatre these?this that I you he/she/it am/is thesethoseweyoutheyare 单数单数 复数复数一、写出下列单词的复数一、写出下列单词的复数1.I-2.am-3.he 4.pencil-5.watch-6.dictionar

9、y-7.man-8.it-9.parent-10.boy wearetheypencils watchesdictionaries men they parentsboys二、句型转换二、句型转换1.This is my mother.1）变否定句）变否定句 2）变一般疑问句，并作肯定回答）变一般疑问句，并作肯定回答This is not my mother.Is this your mother?Yes,it/she is.2.That is a car.1）变否定句）变否定句 2）划线提问）划线提问3)变复数句变复数句That is not a car.Whats that?Those a

10、re cars.3.Thats an English dictionary.1）变否定句）变否定句 2）变一般疑问句，并作否定回答）变一般疑问句，并作否定回答Thats not an English dictionary.Is that an English dictionary?No,it isnt.4.Her family names Smith.5.My jacket is light blue.6.is,that,brother,my,Dave 组词组词成句成句划线提问划线提问划线提问划线提问Whats her family name?What color is your jacket

11、?That is my brother,Dave.句型转换句型转换1.1.WhatWhats this?s this?复数复数 Whatre these?2.He2.Hes a Chinese boy.s a Chinese boy.复数复数Theyre Chinese boys.3.This is a bike.3.This is a bike.否定句否定句复数句复数句一般疑问句，并作肯定回答一般疑问句，并作肯定回答This is not a bike.These are bikes.Is this a bike?Yes,it is.4.4.That is my brother.That i

12、s my brother.否定句否定句一般疑问句，并作否定回答一般疑问句，并作否定回答That is not my brother.Is that your brother?No,it/he isnt.5.5.These are These are dictionariesdictionaries.单数单数一般疑问句一般疑问句,并作肯定回答并作肯定回答划线提问划线提问 This is a dictionary.Are these dictionaries?Yes,they are.What are these?be动词：动词：根据人称和数应有根据人称和数应有am，is，are三种形式的变化。三

13、种形式的变化。我用我用am,你用你用are,is连着他连着他,她她,它它;单数名词用单数名词用is,复数名词全用复数名词全用are.变否定变否定,更容易更容易,be 加加not就可以就可以;变问句变问句,be前提前提,句末问号莫忘记句末问号莫忘记.3.词汇词汇 A)用下列所给单词的适当形式填空。用下列所给单词的适当形式填空。1.Look!Are (that)maps?2.Where (be)the childrens mother?3.Five (backpack)are on the bed.4.Mr Wang has two (pencil).One is blue and the oth

14、er is red.5.Mum,(these)is my friend.thoseisbackpackspencilsthis练习练习1.1.What do you want?What do you want?I want_.I want_.A.piece of breadA.piece of breadB.two piece of bread B.two piece of bread C.a breadC.a breadD.some bread D.some bread 2._is standing at the corner of the street.2._is standing at

15、the corner of the street.A.A policeA.A policeB.The police B.The police C.PoliceC.PoliceD.A policemanD.A policeman3.Can you see nine _ in the picture?3.Can you see nine _ in the picture?A.sheep B.dog C.pig D.horse A.sheep B.dog C.pig D.horse 4.The _ has two _.4.The _ has two _.A.boys,watchesA.boys,wa

16、tches B.boy,watch B.boy,watch C.boy,watchesC.boy,watchesD.boys,watch D.boys,watch 5.Both Marx and Engles were_.5.Both Marx and Engles were_.A.German A.GermanB.Germans B.Germans C.Germany C.Germany D.from German D.from German3.Can you see nine _ in the picture?3.Can you see nine _ in the picture?A.sh

17、eepA.sheep B.dog C.pig D.horse B.dog C.pig D.horse 4.The _ has two _.4.The _ has two _.A.boys,watchesA.boys,watches B.boy,watch B.boy,watch C.boy,watchesC.boy,watchesD.boys,watch D.boys,watch 5.Both Marx and Engles were_.5.Both Marx and Engles were_.A.German A.GermanB.GermansB.Germans C.Germany C.Ge

18、rmany D.from German D.from German6.Every morning before he leaves,6.Every morning before he leaves,his mother would put some _ in his bag.his mother would put some _ in his bag.A.orange A.orange B.oranges B.oranges 7.We all believe that our team _ the 7.We all believe that our team _ the strongest o

19、f all.strongest of all.A.isA.isB.areB.are A.orange A.orange B.orangesB.oranges 7.We all believe that our team _ the 7.We all believe that our team _ the strongest of all.strongest of all.A.isA.isB.areB.are6.Every morning before he leaves,6.Every morning before he leaves,his mother would put some _ in his bag.his mother would put some _ in his bag.