怎样变一般疑问句和否定句do或does上课讲义.ppt

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1、学习题目：一、如何变一般疑问句？二、如何变否定句二.have/has的一般疑问句:1.)have的一般疑问句:Doyouhaveabook?b.Theyhavemanybooks.(变一般疑问句)Dotheyhavemanybooks?c.Wehavemanybaseballs.(变一般疑问句)Doyouhavemanybaseballs?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

2、提问。a.Ihaveabook.(变一般疑问句)三.将下列句子变为一般疑问句：１.MariaandMeimeihavearoom.____________________________________________2.LiLeihasavolleyball._________________________________________3.Shehasabackpack.___________________________________________4.Ihaveabag._____________________

3、______________________5.That’sanEnglishbook._____________________________________________DoMariaandMeimeihavearoom?DoesLiLeihaveavolleyball?Doessheabackpack?Doyouhaveabag?IsthatanEnglishbook?6.Theyhavemanyfriends._____________________________________________Dotheyha

4、vemanyfriends?二.have/has的否定句:1.)have的否定句:Idon’thaveabook.b.Theyhavemanybooks.(变一般否定句)Theydon’thavemanybooks.c.Wehavemanybaseballs.(变一般否定句)Wedon’thavemanybaseballs.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.Ihaveabook.(变一般否定句)2.)has的否定句:a.Hehasasocc

5、erball.(变否定句)Hedoesn’thaveasoccerball.b.Shehasaping-pangbat.(变否定句句)Shedoesn’thaveaping-pangbat.c.Janehasatennisracket.(变否定句)Janedoesn’thaveatennisracket小结:has的否定句:第一步，是在主语和has加上助动词”doesn’t”,注意:“doesn’t”是加上去的，不是原句里面的。第二步，把has还原成have三.将下列句子变为否定句：１.MariaandMeimeihavear

6、oom.____________________________________________2.LiLeihasavolleyball._________________________________________3.Shehasabackpack.___________________________________________4.Ihaveabag.___________________________________________5.That’sanEnglishbook._________________

7、____________________________MariaandMeimeidon’thavearoomLiLeidoesn’thaveavolleyball.Shedoesn’thaveabackpack.Idon’thaveabag.Thatisn’tanEnglishbook.6.Theyhavemanyfriends._____________________________________________Theydon’thavemanyfriends.句中有be(amisare)动词,变否定句时，需要在()

8、后加not.Eg.Thisisabook.-------Itisaneraser.--------Heisaboy.----------Theyarebasketballs.----Iamaboy.-----------Thisisn’tabookItisn’tanerase