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1、-“特殊疑问词+动词不定式”的用法归纳-第 5 页 “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, find out, discuss, decide, tell,
2、teach, know, learn, wonder, 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 the financial 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
3、 whether to confess troubled 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 can tell 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
4、的有 about, as, from, 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. 德拉仅有$1.87为来吉姆买一件礼物。(which是关系代词) 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 dont
5、know what Ill do 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 shoul
6、d choose is important.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 dont know why to choose that dictionary.正：I dont know why you must choose that dictionary.但它可以接
7、不带to的动词不定式，即动词原形，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.Ihavenoideawhen_herthebadnews. A. willtellB. tellingC. tellD. totell2. Will you please show me h
8、ow to do the role-play exercise?Sure. Now let me tell you _ first.A. which to do B. how to doC. when to do D. what to do 3. I need your help because I dont know _.A. how to do it B. how to doC. what to do it D. what should I do 4.How are you feeling here?Its quite hot. I dont know _ to go or stay.A.
9、 how B. whenC. whether D. where 5. I dont know _ to do with this maths problem. Its too hard. You can ask your classmates or teachers for help.A. which B. how C. what D. when 6. Millie, could you give me some advice? I dont know _. Why dont you wear this red shirt?A. when to wear B. what to wear C.
10、how to wear D. where to wear 7. Im going on a field trip but I havent decided_.A. what to do B. to do what C. where to go D. to go where 8 This physics problem is too difficult. Can you show me _， Wang Lin？ Sure. A. what to work it out B. what to work out it C. how to work it out D. how to work out
11、it 9. Excuse me. Would you please tell me _ buy a digital camera？A. what to B. where to C. what I can D. where can I 10. There isnt any difference between the two. I really dont know _. A. where to choose B. which to choose C. to choose what D. to choose which 用“疑问词不定式”改写下列句子。 1.How we should do it
12、was discussed last night. _ was discussed last night. 2. I didnt 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
13、什么。Yao Ming hasnt decide _ next.5.She has decided _. (到哪儿工作。)6.Bill Gates knew _ (怎样帮助) children.7.I cant decide _ (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Unit3Topic3测试题 第二部分 基础知识运用 (55分).单项选择。(10分)(
14、)1.This physics problem is too difficult. Can you show me _, 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 cant follow you. I beg
15、your pardon?_A.You are welcome B.Thats all right. C.Not at all.D.No problem.( )4.The old farmer felt like _ a big house very much.A.to get( )5.She _ walk at night. How brave she is!A.dare toB.dares toC.dare notD.doesnt dare to( )6.I will go to my doctor for _ on healthy diet (饮食).A.an adviceB.some a
16、dvicesC.any adviceD.some pieces of advice( )7.Its my honor _ to give a talk here.A.to inviteB.to be invited( )8.I usually go to the movies with my parents, but _ alone.A.some timesC.at timesD.at time( )9.If you want to learn English well, its useful to _ before class and _ after class.A.review; prev
17、iewB.preview; reviewC.review; to previewD.preview; to review( )10.Listening, speaking and reading are all important _ writing.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 told us many good m_ to
18、study.4.Im sorry, I cant follow 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 a speech in class.8.We can learn from _ _(犯错误).9.He is so excited that he can
19、t say _ _(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 dont know what I should do with the broken bike.(同义句转换)I dont know what _ _ _ the broken bike.t give up learning English, its helpful to you.(同义句转换)Dont _ _ English, its helpful to you.14.The children had a good time in Disneyland.(同义句转换)The children _ _ in Disneyland.15.Jane would like to eat some fish.(同义句转换)Jane _ _ _ some fish.