“特殊疑问词+动词不定式”的用法归纳

1、“特殊疑问词动词不定式”的用法归纳一 由两部分构成：疑问词和动词不定式（wh-+to do）。疑问词部分包括疑问代词 who, whom, what, which 和 whose 以及疑问副词 when,where 和 how。此外，连接词“ whether ”也适用 . 它 主要具有以下几种功能：当主语，如： When to hold the meeting has not yet been decided. Where to live is a problem.当宾语，常接在forget,findout,discuss,decide,tell,teach,know, learn,wonde

2、r, remember 等动词之后作宾语如： We must know what to say at a meeting. He could not tell whom to trust. Do you know how to play bridge?当表语，如： The problem is where to find thefinancial aid. The question is who to elect.当名词同位语，如： Tom had no idea which book to read first. The question whether to confess trouble

3、d the girl.用于宾语补足语 , 双重宾语。某些动词后可接“sb.+疑问词+不定式”构成的双重宾语，这类动词常用的有advise, ask, show, teach, tell等如： I cantell you where to get this book. I ask her how to learn English. He will advise you what to do. Will you show me how to use the machine?(6) 作介词宾语：某些介词后面可接" 疑问词不定式"作宾语，这类介词常用的有about, as, fro

4、m, in, of, on,with 等。例如：He has no idea of how to answer this question.他不知道怎样回答这个问题。Della had only $1.87 with which to buy Jim a present.物。 (which 是关系代词 )德拉仅有 $1.87为来吉姆买一件礼You have a number of topics from which to choose.你有很多题目可以选择。(which是关系代词 )二“特殊疑问词动词不定式”这种结构可以把复合句转为简单句。如： I don t know what Ill do

5、 next. = I dont know what to do next.The doctor told him when he should take the medicine. = The doctor told him when to take the medicine.同样，因为“特殊疑问词动词不定式”这种结构相当于一个名词性从句， 所以可用同等成分的从句代替，从而把简单句转换为复合句。改写时只需在疑问词后加上适当的主语，并把不定式改为适当的形式的谓语即可。如：Which to choose is important. = Which we should choose is impor

6、tant.The question is where to go. = The question is where we should go.三、“特殊疑问词动词不定式”这种结构可构成独立问句。如：What to do?怎么办？How to get rid of the trouble?如何摆脱困境？按照英语语法的习惯，疑问副词why 后不直接跟动词不定式，如：误： I don tknow why to choose that dictionary.正： I don tknow why you must choose that dictionary.但它可以接不带to 的动词不定式，即动词原形

7、，构成why do sth./ why not do sth.肯定形式是表示某动作是不必要的或没有意义的，而否定形式是表示向某人提建议和表达看法，相当于祈使句。Today is Sunday. Why not go out to relax yourself?Why pay more at other shops? We have the best value.练习：1.I have no idea when _ her the bad news.A. will tellB. tellingC. tellD. to tell2. Will you please show me how to d

8、o the role-play exercise?Sure. Now let me tell you _ first.A. which to doB. how to doC. when to doD. what to do3. I need your help because I don t know _.A. how to do itB. how to doC. what to do itD. what should I do4. How are you feeling here?It s quite hot. I dont know _ to go or stay.A. howB. whe

9、nC. whetherD. where5. I don t know _ to do with this maths problemIt. s too hard. You can ask your classmates or teachers for help.6. Millie, could you give me some advice? I don know _t. Why don t you wear this red shirt?A. when to wearB. what to wearC. how to wearD. where to wear7. Im going on a f

10、ield trip but I haven t decided_.A. what to doB. to do whatC. where to go D. to go where8 This physics problem is too difficult. Can you show me _， Wang Lin？Sure.A. what to work it outB. what to work out itC. how to work it outD. how to work out it9. Excuse me. Would you please tell me _ buy a digit

11、al camera？A. what toB. where toC. what I canD. where can I10. There isn't any difference between the two. I really don't know _.A. where to chooseB. which to chooseC. to choose whatD. to choose which用“疑问词不定式”改写下列句子。1.How we should do it was discussed last night._ was discussed last night.2.

12、I didn t know where I should go. I didnt know _.3. The difficulty was how we should cross the river. The difficulty was _ .根据汉语补全下列英语译文。1.何时动身还不知道。_ is unknown.2.我忘了该怎么办。I forgot_.3.我可以告诉你哪里可以买到此书。I can tell you_.4. Yao Ming 未决定下一步做什么。Yao Ming hasntdecide _ next.5.She has decided _.到(哪儿工作。 )6.Bill G

13、ates knew _ (怎样帮助 ) children.7.I cantdecide _ 是(否踢足球 ) or do homework.8. Paul knows _ 跟(谁谈 ) for help. 9.You should decide _ 做(哪个 ) first.10.Simon just forgot _ (什么时间接 ) his friend.仁爱版英语九年级上册Unit3 Topic3 测试题第二部分基础知识运用(55 分) . 单项选择。 (10 分)()1.This physics problem is too difficult. Can you show me _,

14、Wang Li?Sure.A.what to work it outB.what to work out itC.how to work it outD.how to work out it()2.It is important _ the piano well.A.of him to playB.for him to playC.of him playingD.for him to playing()3. Sorry, I can t follow you. I beg your pardon?_A.You are welcome B.That s all right. C.Not at a

15、ll.D.No problem.()4.The old farmer felt like _ a big house very much.A.to getB.getC.gettingD.got()5.She _ walk at night. How brave she is!A.dare toB.dares toC.dare notD.doesn t dare to()6.I will go to my doctor for _ on healthy diet (饮食 ).A.an adviceB.some advicesC.any adviceD.some pieces of advice(

16、)7.It s my honor _ to give a talk here.A.to inviteB.to be invitedC.invitingD.invite()8.I usually go to the movies with my parents, but _ alone.A.some timesB.sometimeC.at timesD.at time()9.If you want to learn English well, i t s useful to _ before class and _ after class.A.review; previewB.preview;

17、reviewC.review; to preview D.preview; to review()10.Listening, speaking and reading are all important _ writing.A.besideB.besidesC.exceptD.expect第三部分写作 (25 分) . 词汇。 (10 分)(A) 根据句意及首字母提示补全单词。1.I am very w_ in English, so Im going to work hard at it.2.The plans have been under d_.3.My English teacher

18、told us many good m_ to study.4.I m sorry, I cantfollow you. Can you r_ that?5.What a nice story! Can you r_ it in English?(B) 根据句意及汉语提示完成句子。6.They _ _ _坚(持弹奏 ) the music late yesterday night.7.Please _ _ _ _深(呼吸 ) and relax yourself before you give aspeech in class.8.We can learn from _ _犯(错误 ).9.He is so excited that he cantsay _ _完(整的话 ).10.In order to _ _ 练(习语法 ), I keep a diary. 句型转换。 (5 分)11.Every year the farmers plant many trees on those hills改.(为被动语态 )Many trees _ _ on those hills _ the farmers every year.12.I dontknow what I should do with the broken bike