一般疑问句及其否定形式,特殊疑问句.ppt

一一般疑问句及其否定形式 情态动词 　情态动词有can (could), may (might), must, have to, shall (should）, will (would), dare, need, ought to等。 情态动词无人称和数的变化；不能单独使用，必须与其后的动词原形构成谓语。 [例3]　We can fly to the moon one day. ______ ______ fly to the moon one day? (1)??? 肯定句变为一般疑问句 a.????变为一般疑问句时，系动词be、助动词或情态动词置于主语之前。 [例1] He is so clever. ______ ______ so clever? [例2]　John feel happy. ______ John ______ happy at that time? Is he Does feel Can you 肯定句改一般疑问句的方法——三步法 1、 把be动词放在句首，剩下的照抄some 改成any，my改成your等句点改成问号。 2、 把can，shall， will等放到句首，剩下的照抄，（some 改成any，my改成your等）句点改成问号。 例如：陈述句: They are in the park. He can play the guitar. 一般疑问句: Are they in the park? Can he play the guitar? 3. 上述都没有的，在句首请助动词Do/Does/Did帮忙，剩下的照抄，（some 改成any，my改成your等）句点改成问号。 例如：陈述句: I like the ducks. He likes the dogs. 一般疑问句：Do you like the ducks? Does he like the dogs? practice 1. She feels sick.? Does she feel sick? 2. I know something about this story.????????? Do you know anything about this story? 3. Bananas are my favourite.???????????? ?Are bananas your favourite ? [例3] The doctor can help that people. The doctor _____ _____ that people. ???b.??? 变为否定句时，系动词、助动词或情态动词后加not。 　 [例1] The twins are happy to see their uncle. 　　 The twins ______ ______ to see their uncle. [例2] Mr. Smith works hard every day. Mr. Smith ______ ______ hard every day. arent happy doesn’t work cant help 肯定句改否定句的方法——一步法 1、 在be动词后加not。如：is not ， are not ， am not， was not， were not； 2、 在can，should， will等后加not。如：cannot， should not， will not； 3、 上述都没有的，在动词前加助动词否定形式don’t/doesn’t/didn’t。 4、 some 改成any。 practice 1 I’m thirteen years old. Are you thirteen years old? 2 He likes his family members. Does he like his family members? 3 We are singing and dancing. Are you singing and dancing? 4 Mary can ride a bike. Can Mary ride a bike? 5 John is a tall and kind person. Is John a tall and kind person? 6 There is some broccoli in the bowl. Is there some broccoli in t