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1、助动词 do, does的用法do 用于当主语是第一人称I, 第二人称you 及复数时（复数包括we, they, these, those及两个以上的人或者事物。does 用于当主语是第三人称单数时（第三人称包括she, he, it, this, that,单独的事物或者人名等） 。含有实义动词的句型结构变换一、肯定陈述句1 当主语是I， you 及复数时，谓语动词用原型。 Eg. I know it. （Eg.表示例如的意思）They have two volleyballs. Tina and Tom like ice cream. 2. 当主语是第三人称单数时（第三人称包括she,
2、he, it, this, that,单独的事物或者人名等）。谓语动词要变为第三人称单数形式。P98 特别要注意havehas Eg. She has a set of keys. He knows my name. Tom needs a computer game. 二、肯定陈述句变换成否定陈述句1 当主语是I， you 及复数时，在谓语动词前加do not = dont Eg. I don t know it. They don t have two volleyballs. Tina and Tom dont like ice cream. 2. 当主语是第三人称单数时,在谓语动词前加
3、does not = doesnt, 谓语动词打回原型Eg. She doesnt have a set of keys. He doesnt know my name. Tom doesnt need a computer game. 三、肯定陈述句变换成一般疑问句采用“一加二变三问号”。一加：当主语是I， you 及复数时，在句子开头加do; 当主语是第三人称单数时（第三人称包括she, he, it, this, that,单独的事物或者人名等）, 在句子开头加does; 二变：变大小写 ; 第一人称变为第二人称（I / we 变为 you, my / our 变为 your） ；当主语
4、是第三人称单数时,谓语动词要打回原型。三问号：在句末加问号。肯定回答； Yes, 主语 + do/ does. 否定回答： No, 主语 +dont / doesnt . (主语要用相应的人称代词主格) Eg. Do you know it? Yes, I do. / No, I don t . Do they have two volleyballs? Yes, they do. / No, they don t . Do Tina and Tom like ice cream? Yes, they do. / No, they dont.Does she have a set of key
5、s? Yes, she does. / No, she doesn t. Does he know your name? Yes, he does. /No, he doesnt. Does Tom need a computer game? Yes, he does. /No, he doesnt. 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 1 页，共 3 页 - - - - - - - - - 四、肯定陈述句变换成特殊疑问句（对画线部分提问）特殊疑问词 + 一般疑问句？（去
6、掉画线部分）Eg. They have two volleyballs. -What do they have? He knows my name. -What does he know? 练习一找朋友。do does He I she we it you they Jack and Tom a dog 二选词填空。1. Do/Does_ he watch TV at night? Yes, he . 2. Do/Does_ you go to school everyday? No, I . 3. Do/Does_ Jack and Peter like apples? 4. Do/Does
7、_ Tina go swimming on Sunday? 5. Do/Does_they play football? Yes, they _ _do/does 6. Do/Does_ we have a good teacher? Yes, we _ _do/does 7. Do/Does_ they jump rope ? No, they _ _do not/does not. 8. Do/Does_your dog walk in the zoo? 9. Do/Does_ I have a big nose? No, you _do not/does not 10. Do/Does_
8、 your cats eat fish? Yes, they _.do/does. 11. Do/Does_ their mothers go shopping? No, they _do not/does not. 12. I _do not/ does not speak Japanese. Do/Does _you speak Japanese? 三、改错 。1、The dog have a long tail. ( ) _ A B C 2、His father and mother has a son. ( ) _ A B C 3、The U.K. s flag have stars
9、and stripes. ( ) _ A B C 4、Tom have a big truck. ( ) _ A B C 5、Beijing have the Palace Museum. ( ) _ A B C 四、把下列句子改为否定句。1. I have many friends. 2. Her father has two brothers. 3. He has a computer. 4. My cousin has a good friend. 5. He has three pens. 6. Tom has a kite. 7. My teachers have nice pict
10、ures. 8. His father has a green car. 9. Jim has a happy family. 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 2 页，共 3 页 - - - - - - - - - 10. Jenny has a cup of tea. 五、把下列句子改为一般疑问句，并作出否定回答。1. They have sandwiches. 2. The school has many trees. 3. She has lovely dogs
11、. 4. Jenny has a brother. 5. They have two bananas. 6. The girl has a big hat. 7. The woman has two babies. 8. Kates mother has a pair of glasses. 9. We have a nice model plane. 10. Tom and Jim have red shirts. 用 have, has填空。1. I _ some red ink. 2. His father an old car. 3. You _ two big eyes. 4. Th
12、eir parents many friends. 5. My sister _ a nice skirt. 6. The nurses _ white clothes. 7. He and she _ some bananas. 8. Look, the boy _ some apples. 9. Our school twelve classroom. 10. The students many books. 11. Her sister a new bike. 12. Their teacher some nice pictures. 13. Your mother_a new bike
13、. 14. Li Ming s mother_big eyes. 15. Jenny and Danny_two black pens. 16. The dog_some meat in its mouth. 17. The students of Class One_a football. 18. Mary_a doll. 19. They _some soup for supper. 20. Our school_a big library. 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 3 页，共 3 页 - - - - - - - - -