高考英语重点词法击破7

　　高考英语重点词法击破：can

　　1.表能力，在肯定句中指过去做某事的能力，泛指一般能力用could,只表具备做某事的能力，但并不表明是否干成。如：If I could plan to do anything I wanted to, I’d like to go to Tibet and travel through as much of it as possible.

　　2.表懊悔、遗憾，could have done表过去未曾实现的动作，即本能够干好的事却没干好。如：He paid for a seat, when he could have entered free.

　　I could have finished the job in the given time but the computer didn’t work.

　　3.表惊讶等感情色彩，仅用于疑问句、否定句和感叹句中。如：

　　How can you say that you really understand the whole story if you have covered only part of the article?

　　4.表推测，常不用于肯定句中，若用于肯定句中则表偶尔一时的特征，译作“有时会”；而can’t表不可能。如：

　　The World Wide Web is sometimes jokingly called the World Wide Wait because it can be very slow.

　　-----Isn’t that Ann’s husband over there?

　　-----No, it can’t be him. I’m sure he doesn’t wear glasses.

　　5.表许可，在请求对方许可时，can 在口语中常用；在准许对方做某事时，答语用can,不用could。如：A left-luggage office is a place where bags can be left for a short time, especially at a railway station.

　　------Could I borrow your dictionary?

　　-----Yes, of course you can.

　　【考例1】The biggest problem for most plants, which ______ just get up and run away when threatened, is that animals like to eat them.（07湖南卷，24）

　　A. shan’t

　　B. can’t

　　C. needn’t

　　D. mustn’t

　　（B）

　　【考例2】My MP4 player isn’t in my bag. Where _______ I have put it?（07福建卷，25）

　　A. can

　　B. must

　　C. should

　　D. would

　　（A）

　　【考例3】----Do you know where David is? I couldn’t find him anywhere.

　　-----Well. He _______ have gone far—his coat’s still here.（05湖北卷，19）

　　A. shouldn’t

　　B. mustn’t

　　C. can’t

　　D. won’t

　　（C）

　　【考例4】How ________ you say that you really understand the whole story if you have covered only part of the article?（03上海卷，29）

　　A. can

　　B. must

　　C. need

　　D. may

　　（A）

　　【考例5】You ______ be tired----you’ve only been working for an hour.（04四川卷，29）

　　A. must not

　　B. won’t

　　C. can’t

　　D. may not

　　（C）

　　【考例6】 It is usually warm in my hometown in March, but it _____ be rather cold sometime.（08福建卷，24）

　　?? A. must??????????? B. can??????????? C. should????????????? D. would （B）

　　【考例7】 You don’t have to know the name of the author to find a book. You ____find the book by the title. （08湖南卷，28）

　　A. must

　　B. need

　　C. can

　　D. would （C）

　　【考例8】 –What sort of house do you want to have?

　　Something big? --Well, it

　　be big--that’s not important.（08陕西卷，9）

　　A. mustn’t

　　B. needn’t

　　C. can’t

　　D. won’t （B）

　　【考例9】 She ______ have left school, for her bike is still here.（08天津卷，6）

　　A. can’t

　　B. wouldn’t

　　C. shouldn’t

　　D. needn’t

　　（A）

　　【考例10】 Peter ______ be really difficult at times even though he’s a nice person in general.（08辽宁卷，22）

　　A. shall B. should

　　C. can D. must （C）

　　【考例11】 You ______ be hungry already — you had lunch only two hours ago!（08浙江卷，11）

　　A. wouldn’t

　　B. can’t

　　C. mustn’t

　　D. needn’t （B）2009高考英语重点词法击破：must

　　1.表推测，仅用于肯定句中，语气最为肯定；对过去的推测用must have done；mustn’t表禁止，不用于表推测。如：

　　Tom, you mustn’t leave all your clothes on the floor like this!

　　He must have completed his work; otherwise, he wouldn’t be enjoying himself by the seaside.

　　2.表必须，语气强于should, 侧重于说话人的主观意志，译作“一定，务必”，用于肯定句中或否定句中。如：

　　Children under 12 years of age in that country must be under adult supervision when in a public library.

　　3.表固执，译作“非要”，所发生之事往往不受欢迎或不需要。如：

　　John, look at the time. Must you play the piano at such a late hour?

　　【考例1】In crowded places like airports and railway stations, you ______ take care of your luggage.（07北京卷，26）

　　A. can

　　B. may

　　C. must

　　D. will

　　（C）

　　【考例2】-------Guess what! I have got A for my term paper.

　　--------Great! You _______ read a lot of work into it.（07上海卷，29）

　　A. must

　　B. should

　　C. must have

　　D. should have

　　（C）

　　【考例3】The teacher _____ have thought Johnson was worth it or she wouldn’t have wasted time on him, I suppose.（07安徽卷，23）

　　A. should

　　B. can

　　C. would

　　D. must

　　（D）

　　【考例4】------She looks very happy. She _______ have passed the exam.

　　------I guess so. It’s not difficult after all.（07江苏卷，22）

　　A. should

　　B. could

　　C. must

　　D. might

　　（C）2009高考英语重点词法击破：may/might

　　1.表许可：在请求对方许可时，may较正式，might较may委婉；在准许对方做某事时，答语用may,而不用might。如：

　　-----I hear you’ve got a set of valuable Australian coins. May I have a look?

　　-----Yes, certainly.

　　2.表推测，might比may更不肯定；may not不合写，表“可能不”。如：

　　------Excuse me. Is this the right way to the Summer Palace?

　　------Sorry, I am not sure. But it might be.

　　You might just as well tell the manufacture that male customers may not like the design of the furniture.

　　【考例1】-----Where is my dictionary? I remember I put it here yesterday.

　　-----You _______ it in the wrong place.（07江西卷，27）

　　A. must put

　　B. should have put

　　C. might put

　　D. might have put

　　（D）

　　【考例2】We ______ have proved great adventures, but we have done the greatest march ever made in the past 10 years.（06天津卷）

　　A. needn’t

　　B. may not

　　C. shouldn’t

　　D. mustn’t

　　（B）

　　【考例3】-----Excuse me. Is this the right way to te Summer Palace?

　　------Sorry, I am not sure. But it ______ be.（04湖北卷，26）

　　A. might

　　B. will

　　C. must

　　D. can

　　（A）

　　【考例4】-----I hear you’ve got a set of valuable Australian coins. ______ I have a look?

　　------Yes, certainly.（02北京春卷，29）

　　A. Do

　　B. May

　　C. Shall

　　D. should

　　（B）

　　【考例5】 Liza ___ well not want to go on the trip --- she hates traveling.（08全国卷II，17）

　　A. will

　　B. can

　　C. must

　　D. may （D）

　　【考例6】 Although this ____ sound like a simple task, great care is needed.（08四川卷，10）

　　A. must

　　B. may

　　C. shall

　　D. should

　　（B）

　　【考例7】 ---I can’t find my purse anywhere.---You

　　have lost it while shopping.（08重庆卷，30）

　　A. may

　　B. can

　　C.

　　should

　　D. would

　　（A）