怎样变一般疑问句和否定句或课件.ppt
关于怎样变一般疑问句和否定句或第1页,此课件共10页哦二二.have/has的一般疑问句的一般疑问句:1.)have 的一般疑问句的一般疑问句:Do you have a book?b.They have many books.(变一般疑问句变一般疑问句)Do they have many books?c.We have many baseballs.(变一般疑问句变一般疑问句)Do you have many baseballs?提示提示:have的一般疑问句是在句首加上助动词的一般疑问句是在句首加上助动词”Do”,注意大小写的转换,注意大小写的转换,其他的不变其他的不变.(句中的(句中的“I”可以变为可以变为”you”)注意注意:“Do”是加上去的,不是原句里面的,当主语是复数时,也用是加上去的,不是原句里面的,当主语是复数时,也用do来提问。来提问。a.I have a book.(变一般疑问句变一般疑问句)第2页,此课件共10页哦2.)has 的一般疑问句的一般疑问句:a.He has a soccer ball.(变一般疑问句变一般疑问句)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.(变一般疑问句变一般疑问句)Does Jane have a tennis racket?小结小结:has的一般疑问句的一般疑问句:第一步,是在句首加上助动词第一步,是在句首加上助动词”Does”,第二步,将句中的第二步,将句中的”has“变为变为”have“,注意大小写的转换,其他的不变,注意大小写的转换,其他的不变.(句中的(句中的“I”可以变为可以变为”you”)注意注意:“Does”是加上去的,不是原句里面的。是加上去的,不是原句里面的。第3页,此课件共10页哦三三.将下列句子变为一般疑问句:将下列句子变为一般疑问句:.Maria and Meimei have a room._2.Li Lei has a volleyball._3.She has a backpack._4.I have a bag._5.Thats 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?第4页,此课件共10页哦二二.have/has的否定句的否定句:1.)have 的否定句的否定句:I dont have a book.b.They have many books.(变一般否定句变一般否定句)They dont have many books.c.We have many baseballs.(变一般否定句变一般否定句)We dont have many baseballs.小结小结:have的否定句是在的否定句是在主语主语和和have之间之间加上助动词加上助动词”dont”,注意注意:“dont”是加上去的,不是原句里面的。是加上去的,不是原句里面的。a.I have a book.(变一般否定句变一般否定句)第5页,此课件共10页哦2.)has 的否定句的否定句:a.He has a soccer ball.(变变否定句否定句)He doesnt have a soccer ball.b.She has a ping-pang bat.(变变否定句否定句句句)She doesnt have a ping-pang bat.c.Jane has a tennis racket.(变变否定句否定句)Jane doesnt have a tennis racket小结小结:has的的否定句否定句:第一步,是第一步,是在在主语主语和和has加上助动词加上助动词”doesnt”,注意注意:“doesnt”是加上去的,不是原句里面的。是加上去的,不是原句里面的。第二步,把第二步,把has还原成还原成have第6页,此课件共10页哦三三.将下列句子变为将下列句子变为否定句否定句:.Maria and Meimei have a room._2.Li Lei has a volleyball._3.She has a backpack._4.I have a bag._5.Thats an English book._Maria and Meimei dont have a roomLi Lei doesnt have a volleyball.She doesnt have a backpack.I dont have a bag.That isnt an English book.6.They have many friends._They dont have many friends.第7页,此课件共10页哦v句中有be(am is are)动词,变否定句否定句时,需要 在()后加not.vEg.This is a book.-v It is an eraser.-v He is a boy.-vThey are basketballs.-vI am a boy.-This isnt a bookIt isnt an eraserI am not a boy.They arent basket ball.He isnt a boy.be第8页,此课件共10页哦怎样变一般疑问句怎样变一般疑问句一一.Be动词的一般疑问句动词的一般疑问句:Go on句中有be(am is are)动词,变一般疑问句时,需要把()提前,我(I)变你(you),我的(my)变你的(your),我们的(our)变你们的(your),千万别忘记。Eg.This is a book.-It is an eraser.-He is a boy.-They are basketballs.-I am a boy.-beIs this a book?Is it an eraser?Is he a boy?Are they basketballs?Are you a boy?第9页,此课件共10页哦感谢大家观看第10页,此课件共10页哦