小学英语名词变复数.pptx

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1、1、一般情况词尾加s 浊辅音和元音后读z 清辅音后读s 第1页/共49页例词 a bag bags bgz cup cups kps row rows ruz第2页/共49页2、以s,ss,x,ch,sh等 结尾的词，词尾加es，读iz。第3页/共49页例词：boxboxesbksiz watch watcheswtiz classclasses kl:siz第4页/共49页 3、以 ce，se，ge 等 结尾的词，词尾加s，读 iz。第5页/共49页例词casecases keisiz raceraces reisiz第6页/共49页4、以“辅音字母+y”结尾的词 变 y 为 I，再加 es

2、，读z。第7页/共49页例词：lobbylobbies lbizdutyduties dju:tizfamily-families fmiliz第8页/共49页5、以“元音字母+y”结尾的词，词尾加 s，读 z。第9页/共49页 例词：boy boys biz第10页/共49页6、以 fe 或 f 结尾的词变 f 为 v 再加s 或es，读vz。第11页/共49页例词：leafleaves li:vz thiefthieves i:vz wifewives waivz第12页/共49页7、以“辅音字母+o”结尾的名词，词尾加es，读z。第13页/共49页例词：hero heroes hiruz

3、 potatopotatoes pteituz tomato tomatoes tm:tuz第14页/共49页8、以“元音字母+o”结尾的名词 词尾加s，读z。第15页/共49页例词：radioradios reidiuz zoozoos zu:z第16页/共49页9、单复数同形 ，保持原音。例词：fish fish 第17页/共49页 sheep sheep cattle cattle deer deer第18页/共49页 10、复数形式没有任何规律 例词：manmen woman women第19页/共49页 childchildren foot feet 第20页/共49页11、除人民币

4、元、角、外，美元、英镑、欧元等 都有复数形式。第21页/共49页例词 a dollar two dollars one pound two pounds第22页/共49页 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。第23页/共49页说明: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）French

5、man只需把a变为e。第24页/共49页名词单数变复数(一)规则变化:1.加s 2.加s,x,ch,sh结尾的名词加es3.以辅音字母加y结尾的名词,先改y为i,再加es(mothers,fathers,sisters,brothers)(buses,boxes,watches)(family -families dictionary-dictionaries)区别 key keys boy-boys第25页/共49页(二)不规则变化:4.单复数同形(不变):sheep(绵羊)deer(鹿)fish(鱼)2.man,woman men,women1.加es:potatoes(土豆)tomato

6、es(西红柿)Chinese(中国人)Japanese(日本人)6.oo ee：foot(脚)tooth(牙齿)goose(鹅)5.以 f/fe结尾的,变f为v,再加eswife(妻子)knife(小刀)shelf(架子)leaf (叶子)wolf(狼)3.child（孩子）children（男人，妇女）第26页/共49页名词单数变复数后s/es 的读音1.在清辅音后读/s/2.在元音和浊辅音后读/z/3.在/s/z/t /d /后 读/iz/4.在/t/后读/ts/，在/d/后读/dz/desks mapsbrothers pensclasses,watches,orangescats,fr

7、iends 第27页/共49页pen desk key box knife card orange boy friend parent mother father sister brother son daughter cousin family child man pencil case sheepssssesknivessssssssssssfamilieschildrenmenssheep第28页/共49页句子单数变复数句子单数变复数1.This is a book.2.That is an eraser.3.It is a red apple.4.I am a boy.5.He/She

8、 is a teacher.6.Whats this?These are books.Those are erasers.They are red apples.We are boys.They are teachers.Whatre these?第29页/共49页this that I you he/she/it am/is thesethoseweyoutheyare 单数 复数第30页/共49页一、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.dictionary-7.man-8.it-9.parent-10.boy weare

9、theypencils watchesdictionaries men they parentsboys第31页/共49页二、句型转换1.This is my mother.1）变否定句 2）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.第32页/共49页2.That is a car.1）变否定句 2）划线提问3)变复数句That is not a car.Whats that?Those are cars.第33页/共49页3.Thats an English dictionary.1）变否定句 2

10、）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.第34页/共49页4.Her family names Smith.5.My jacket is light blue.6.is,that,brother,my,Dave 组词成句划线提问划线提问Whats her family name?What color is your jacket?That is my brother,Dave.第35页/共49页句型转换1.Whats this?复数 Whatre these?2

11、.Hes a Chinese boy.复数Theyre Chinese boys.第36页/共49页 3.This is a bike.否定句复数句一般疑问句，并作肯定回答This is not a bike.These are bikes.Is this a bike?Yes,it is.第37页/共49页4.That is my brother.否定句一般疑问句，并作否定回答That is not my brother.Is that your brother?No,it/he isnt.第38页/共49页5.These are dictionaries.单数一般疑问句,并作肯定回答划线提

12、问 This is a dictionary.Are these dictionaries?Yes,they are.What are these?第39页/共49页be动词：根据人称和数应有am，is，are三种形式的变化。我用am,你用are,is连着他,她,它;单数名词用is,复数名词全用are.变否定,更容易,be 加not就可以;变问句,be前提,句末问号莫忘记.第40页/共49页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 (b

13、ackpack)are on the bed.4.Mr Wang has two (pencil).One is blue and the other is red.5.Mum,(these)is my friend.thoseisbackpackspencilsthis第41页/共49页练习1.What do you want?I want_.A.piece of breadB.two piece of bread C.a breadD.some bread 2._is standing at the corner of the street.A.A policeB.The police C

14、.PoliceD.A policeman第42页/共49页3.Can you see nine _ in the picture?A.sheep B.dog C.pig D.horse 4.The _ has two _.A.boys,watches B.boy,watch C.boy,watchesD.boys,watch 5.Both Marx and Engles were_.A.GermanB.Germans C.Germany D.from German第43页/共49页3.Can you see nine _ in the picture?A.sheep B.dog C.pig D

15、.horse 4.The _ has two _.A.boys,watches B.boy,watch C.boy,watchesD.boys,watch 5.Both Marx and Engles were_.A.GermanB.Germans C.Germany D.from German第44页/共49页6.Every morning before he leaves,his mother would put some _ in his bag.A.orange B.oranges 7.We all believe that our team _ the strongest of all.A.isB.are第45页/共49页 A.orange B.oranges 7.We all believe that our team _ the strongest of all.A.isB.are6.Every morning before he leaves,his mother would put some _ in his bag.第46页/共49页知识回顾Knowledge Review第47页/共49页谢 谢！放映结束 感谢各位的批评指导！让我们共同进步第48页/共49页感谢您的观看！第49页/共49页