高中英語人教版必修3同步講練：Unit 1 Grammar Word版含答案 精修版

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1、人教版英語精品資料（精修版） GRAMMAR 情態(tài)動詞（一） 【歸納】 一、can和could ★表示能力。can表示現(xiàn)在的能力，could表示過去具有某種能力。如： My brother can speak four foreign languages. Sophia could read when she was four years old. 注意：can表示“能夠”時與be able to同義，但can只有過去式could，而be able to可用于各種時態(tài)。另外，could表示某人過去有某種能力，而was / were able to表示某人通過努力、克服困難做成

2、某事，相當于managed to。如： She will not be able to visit the hospital tomorrow. Mike was an excellent tennis player when he was young. He could beat anybody. The fire spread through the building very quickly, but fortunately everybody was able to escape. ★表示許可。could比can表示的說話語氣更委婉。如： You can have

3、a piece of cake after you’ve eaten your vegetables! Could I have a drink of water, please? ★表示可能性。此時could不是can的過去式，它表示推測的可能性比can小。如： Can he still be alive after all this time? If you’re not careful, you could get into even worse trouble. 二、may和might ★表示許可或征求對方許可。如： You may / might use

4、 my bicycle so long as you return it before 12:00. I can’t eat; may / might I have a little brandy? ★表示可能性。might比may語氣更不確定，表示的可能性更小。如： He may / might get here in time, but I can’t be sure. 三、will和would ★表示意愿。will表示現(xiàn)在的意愿，有時可用于條件句中，would表示過去的意愿（would如表示現(xiàn)在的意愿，語氣較委婉）。如： I will help her if she ask

5、s us to. Ask, if you will, who the owner is. My friend asked if I would go with him. ★表示征求意見或提出請求。will與would均可用于主語是第二人稱的疑問句中，表示征求意見或提出請求，此時would并不表示過去，而表示委婉語氣。如： —I’m cold. Will / Would you shut the window, please? —Certainly. ★表示習慣和傾向性。will表示現(xiàn)在的習慣，would表示過去的習慣。如： She will listen to r

6、ecords, alone in her room, for hours. When Ann was a child, she would often ask some strange questions. 四、shall和should ★shall在疑問句中用于征求對方意見，主要用于第一人稱，也可用于第三人稱，意為“要不要，……好嗎”。如： Shall we go out and have a walk after dinner? Shall Tom go there with me tomorrow? shall還可用于主語是第二、三人稱的陳述句中，表示決心、允諾、警告、命

7、令、威脅、規(guī)定或義務(wù)等。如： Tell her that she shall have the bike tomorrow. You shall be punished if you break the rule. ★should表示義務(wù)或責任、建議或勸告、推斷等。如： We should take good care of our children. You shouldn’t leave a baby alone in the house. I wonder what’s happened to Annie. She should be here by now. should

8、還可以表示驚訝、失望、遺憾等情感，此時意為“竟會”。如： It’s strange that Jane should be late. She’s usually on time. I’m sorry that you should think so badly of me. 五、must和can’t ★must可表示“必須做某事”，還可表推測。must表示推測時用于肯定句中，意為“肯定，一定”。如： I must go to the bank to get some money. —Where is Tran Nguyen from? —I know that’s a Viet

9、namese name. He must be from Vietnam. ★can’t可表否定的推測和判斷，意為“不可能”。如： You’ve just had lunch. You can’t be hungry. 【即學即練】 I. 選用方框內(nèi)所給的情態(tài)動詞填空。 can(‘t), could, may, might, will, would, shall, should, must(n’t) 1. With my help Peter ________ speak Chinese fluently now, but he ________ not when he came

10、 here last year. 2. —May I take the book home? —No, you ________. 3. If you don’t do as you are told, you ________ be sorry one day. 4. No matter how I advised him to give up smoking, he ________ not listen to me. 5. —Could I use your bike for a while? —Yes, you ________. 6. —Where did he sta

11、y last night? —I’m not sure, but he ________ have stayed at his friend’s. 7. Let’s go to see the film together tonight, ________ we? 8. Tom, your eyesight is getting worse. You ________ read in a brighter room. 9. ________ you please tell me your new address? 10. The boy is lovely, but he______

12、__ be naughty sometimes. 11. —________ I speak English in English class? —No, you needn’t. You ________ speak Chinese, too. 12. As everybody knows, fish ________ die without water. 13. You ________ try telephoning Mr. Smith; he ________ be home now. 14. You ________ never be too careful when yo

13、u are crossing the street. II. 按照示例，用適當?shù)那閼B(tài)動詞改寫下列句子。 例：It isn’t necessary for you to give him a present. →You needn’t / don’t have to give him a present. 1. I advise you to stop eating chocolate. →___________________________________ 2. I insist that you do your homework. →___________________

14、________________ 3. Will you let me speak to George, please? →___________________________________ 4. It’s possible that he is lying. →___________________________________ 5. He wasn’t able to write until he was eight. →___________________________________ 6. You know, talking is not permitte

15、d during the test. →___________________________________ 7. It isn’t right to speak to your mother like that. →___________________________________ III. 從括號內(nèi)選擇合適的內(nèi)容填空。 David: Hi, Tony. I’m moving on Sunday. 1. ________ (Could / Should) you help me? Tony: I 2. ________ (should / would) like to

16、help you, but I have a bad back. I went to my doctor and he suggested me that I 3. ________ (shouldn’t / can’t) lift anything heavy for a while. 4. ________ (Would / Can) I help you in any other way? David: Yes. I need some boxes. 5. ________ (Should / Would) you please help me find some? Tony: Su

17、re. I have to go shopping tomorrow. I 6. ________ (can / should) pick up some at the supermarket. David: Boxes 7. ________ (can / will) be heavy. You’d better not lift them yourself. Tony: Don’t worry. I’ll have someone put them in my car for me. David: Thanks. I have another favour to ask. 8.

18、 ________ (May / Must) I borrow your car on Saturday? Tony: I have to work on Saturday. Let me ask my brother. He has a car, too. He 9. ________ (will / might) be able to let you use his car. David: Thanks. I’d appreciate it if you 10 ________ (could / might) ask him. I 11. ________ (must / shal

19、l) go now. I 12. ________ (couldn’t / can’t) go to class all last week. There’s so much work to do. Tony: I know what you mean. You 13. ________ (can’t / must) be very tired. David: Yes. 參考答案 【即學即練】 I. 1. can; could ?? 2. can’t / mustn’t ???? 3. will / might ????? 4. would??????? 5. c

20、an ? 6. might / may? ?? 7. shall?????? 8. should 9. Will / Would / Could??? ? 10. can? 11. Must; can ??????12. will 13. can; should / may / must???????? 14. can II. 1. You should stop eating chocolate. 2. You must do your homework. 3. Can / May / Could I speak to George, please? 4. He ma

21、y / might be lying. 5. He couldn’t write until he was eight. 6. You can’t / mustn’t talk during the test. 7. You shouldn’t / mustn’t / can’t speak to your mother like that. III. 1. Could 2. would 3. shouldn’t 4. Can 5. Would 6. can 7. can 8. May 9. might 10. could 11. must 12. couldn’t 13. must