苏打水1. 由连系am，is，are构成的句子：变一般疑问句时把am，is，are提到句子的前面，句尾用问号即可。
变否定句时直接在am，is，are后面加not即可。
例如：肯定句:He is a student.一般疑问句: Is he a student?否定句: He is not a student.反问句: He is a student, isn't he?He isn't a student, is he?画线提问: 对he提问: Who is a student?对a student 提问: What is he? or What does he do?2. 由情态动词can, may, should等构成的句子: 变一般疑问句时把can,may,提到句子的前面,句尾用问号即可.变否定句时直接在can,may,后面加not即可. 例如:肯定句: She can swim.一般疑问句: Can she swim?否定句: She can not swim.反问句: She can swim, can't she?She can not swim, can she?画线提问: 对she提问: Who can swim?对swim提问: What can she do?3. 由行为动词构成的句子: 需要加助词do或does. 变一般疑问句时把do/does放在句子前面. 例如:肯定句: They play football after school.一般疑问句: Do they play football after school?否定句: They don't (do not) play football after school.反问句: They play football after school, don't they?They don't play football after school, do they?画线提问: 对they提问: Who play football after school?对play football提问: What do they do after school?对after school提问: When do they play football?1. 由连系am，is，are构成的句子：变一般疑问句时把am，is，are提到句子的前面，句尾用问号即可。
变否定句时直接在am，is，are后面加not即可。
例如：肯定句:He is a student.一般疑问句: Is he a student?否定句: He is not a student.反问句: He is a student, isn't he?He isn't a student, is he?画线提问: 对he提问: Who is a student?对a student 提问: What is he? or What does he do?2. 由情态动词can, may, should等构成的句子: 变一般疑问句时把can,may,提到句子的前面,句尾用问号即可.变否定句时直接在can,may,后面加not即可. 例如:肯定句: She can swim.一般疑问句: Can she swim?否定句: She can not swim.反问句: She can swim, can't she?She can not swim, can she?画线提问: 对she提问: Who can swim?对swim提问: What can she do?3. 由行为动词构成的句子: 需要加助词do或does. 变一般疑问句时把do/does放在句子前面. 例如:肯定句: They play football after school.一般疑问句: Do they play football after school?否定句: They don't (do not) play football after school.反问句: They play football after school, don't they?They don't play football after school, do they?画线提问: 对they提问: Who play football after school? 对play football提问: What do they do after school?对after school提问: When do they play football?根据句后括号内的要求，填入句中所缺的词：1.I know the answer.(一般疑问句)______ ______ know the answer?2.We can see some birds.(一般疑问句)______ ______ see ______ birds?3.There is a computer in my house.(一般疑问句)______ ______ a computer in house?4.There are some flowers on the teachers’desk.(一般疑问句) ______ ______ ______ flowers on the teachers’desk?5.There are some apples on the tree.(否定式)There ______ ______ ______ apples on the tree.6.I think he is very old.(否定句)I ______ think he ______ very old.7.Please colour it green.(否定句)______ ______ colour it green.8.We can speak good English.(变否定句)We ______ ______ speak good English.9.Thank you for helping me.(同义句)Thank you for ______ ______ .10.There aren’t any pears in thebox.(同义句)There are ______ pears in the box.11.Whose are these clothes?(同义句)______ ______ are these?12.Let me look at your book.(同义句)Let me ______ ______ ______ ______ your book.13.Her sweater is red.(对划线部分提问)______ ______ is her sweater?14.My pencils are in the pencil-box.(对划线部分提问)______ ______ your pencils?15.I get up at six every day.(对划线部分提问)______ ______ do you get up every day?16.There are fifty students in my class.(对划线部分提问) ______ ______ students are there in your class?17.These are cars.(用buses改写成选择疑问句)Are these cars______ ______ ?18.The book is in my schoolbag.(变否定疑问句)______ the book in your school-bag?19.Two boys are in our house.(改为there be句型)______ ______ two boys in our house.20.Can’t you find the map?(作肯定回答)______ ,I______ .参考答案：1.Do you2.Can you,a ny3.Is there,your4.Are there any5.are not any6.don’t,is7.Please don’t8.can not9.your help 10.no 11.Whose clothes 12.have a look at 13.What colour 14.Where are 15.What time 16.How many 17.or buses 18.Isn’t19.There are 20.Yes,can一、变否定句时相关词的改变肯定句变否定句时，除将谓语变为否定式外，句中其他词语也可能随之改变，如将some 改为any，too和also改为either，already改为yet，and改为or等：There are some birds in the tree. 树上有些鸟。
→There aren’t any birds in the tree. 树上没有鸟。
He likes the girl, too. 他也喜欢这个女孩。
→He doesn’t like the girl, either. 他也不喜欢这个女孩。
We have already seen the film. 我们已看过这部电影。
→We have not seen the film yet. 我们没有看这部电影。
He likes singing and dancing. 他喜欢唱歌和跳舞。
→He doesn’t like singing or dancing. 他不喜欢唱歌也不喜欢跳舞。
二、不变谓语动词而变其他词语有时将肯定句变为否定句时，不改变谓语而改变其他词语：Both of us went there. 我们两人都去了那儿。
→Neither of us went there. 我们两人都没去那儿。
Both Jim and Mary can sing this song. 吉姆和玛丽都会唱这首歌。
→Neither Jim nor Mary can sing this song. 吉姆和玛丽都不会唱这首歌。
All of the books are worth reading. 所有这些书都值得读。
→None of the books are worth reading. 所有这些书都不值得读。