怎样变一般疑问句跟否定句do跟does.ppt

学习题目：一、如何变一般疑问句？ 二、如何变否定句 句中有be(am is are)动词, 变否定句时，需要 在( )后加not. Eg. This is a book.------- It is an eraser.-------- He is a boy.---------- They are basketballs.---- I am a boy.----------- * * 二.have/has的一般疑问句: 1.)have 的一般疑问句: Do you have a book ? b. They have many books . (变一般疑问句) Do they have many books ? c. We have many baseballs . (变一般疑问句) Do you have many baseballs ? 提示: have的一般疑问句是在句首加上助动词 ”Do” ,注意大小写的转换，其他的不变.（句中的 “I”可以变为” you”) 注意: “Do” 是加上去的，不是原句里面的，当主语是复数时，也用do来提问。 a. I have a book .(变一般疑问句) 2.)has 的一般疑问句: a. He has a soccer ball .(变一般疑问句) Does he have a soccer ball ? b. She has a ping-pang bat . (变一般疑问句) Does she a have ping-pang bat ? c. Jane has a tennis racket . (变一般疑问句) Does Jane have a tennis racket ? 小结: has的一般疑问句:第一步，是在句首加上助动词 ”Does” ,第二步，将句中的”has“变为”have“，注意大小写的转换，其他的不变.（句中的 “I”可以变为” you”) 注意: “Does” 是加上去的，不是原句里面的。 三.将下列句子变为一般疑问句： １. Maria and Meimei have a room . ____________________________________________ 2. Li Lei has a volleyball . _________________________________________ 3. She has a backpack . ___________________________________________ 4. I have a bag . ___________________________________________ 5. That’s an English book . _____________________________________________ Do Maria and Meimei have a room ? Does Li Lei have a volleyball ? Does she a backpack ? Do you have a bag ? Is that an English book ? 6. They have many friends . _____________________________________________ Do they have many friends ? 二.have/has的否定句: 1.)have 的否定句: I don’t have a book. b. They have many books . (变一般否定句) They don’t have many books . c. We have many baseballs . (变一般否定句) We don’t have many baseballs . 小结: have的否定句是在主语和have之间加上助动词 ”don’t” , 注意: “don’t” 是加上去的，不是原句里面的。 a. I have a book .(变一般否定句) 2.)has 的否定句: a. He has a soccer ball .(变否定句) He doesn’t have a soccer ball. b. She has a ping-pang bat . (变否定句句) She doesn’t have a ping-pang bat. c. Jane has a tennis racket . (变否定句) Jane doesn’t have a tennis racke