1、一般疑问句用Yes或No作答的疑问句叫一般疑问句。结构是be动词(am /is /are ) /助动词/情态动词+主语+其他成分 通常回答为:肯定:Yes,+主语+提问的词. 否定:No,+主语+提问的词+not. Are you from Japan﹖ Yes ,I am. / No, I'm not. Is her sister doing her homework now﹖ Yes, she is. / No, she isn't. Does
2、 he work in a bank? Yes, he does. / No, he doesn't. Can you speak French﹖ Yes, I can. / No, I can't.一般疑问句还有下列特点: 1、以be动词、助动词或情态动词开头;Is your father a teacher? Does Catherine like animals? Can Jenny speak French? 如何将陈述句变成一般疑问句? 1.如句中有be 动词(am、
3、is、 are、 was、 were)情态动词(can、may、must …)或助动词(do、does、did、 have、 had(完成时中))时,可直接将它们提到句首,句末打上问号即可。主语为第一人称,应将其改为第二人称。例: It was rainy yesterday. →Was it rainy yesterday? Tom's father can play the piano. Can Tom's father play the piano?
4、 I have finished my homework. →Have you finished your homework? 2.如果句中没有be动词、助动词或情态动词,则根据谓语动词的形式借助do的相应形式放在句首。具体方法是:如果谓语动词是原形,则借do;如果谓语动词是一般现在时第三人称单数形式,则借does;如果谓语动词是过去式,则借did. 需要注意的是,借does或did后,原句的谓语动词要变回原形。例:They go to school by bike. Do t
5、hey go to school by bike? Bill gets up at 6:30 every day. Does bill get up at 6:30 every day? The students saw a film yesterday. →Did the students see a film yesterday?三.陈述句变一般疑问句应注意的事项 陈述句变成一般疑问句除了遵循上述规则以外,还应注意下列几点: 1.如果陈述句中有第一人称,则变问句时最
6、好要变为第二人称。 I usually have lunch at school. Do you usually have lunch at school? My father is playing soccer. →Is your father playing soccer?2.如果陈述句中有some, 则变问句时往往要变成any 。 例: There is some water on the playground. Is there an
7、y water on the playground? 3.复合句变一般疑问句通常只变主句,从句不变。 I know he comes from Canada. Do you know he comes from Canada? 4.如果句中含有实义动词have且表示“有”时,除借do外,也可将其直接提到句首。 例:I have some friends in America. Do you have any friends in America? 肯定句改
8、否定句的方法—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。 把下面的句子变成否定句。 1.She is watching TV now. 2.We go to