第五节 情态动词和虚拟语气考点分类突破 • 考点三十 情态动词 (can, could, be able to) 表示能力• 【真题再现】• 1 . (2010· 全国Ⅰ )Just be patient. You ________ expect the world to change so soon.• A. can‘t B. needn't• C. may not D. will not• 答案与解析: A 句意:耐心点儿。你不能指望世界立刻发生变化。 can't 表示“不能”; needn't“ 不必”; may not 表示“不可能”; will not 表示“不会”。只有 A 符合句意。• 2 . (2010· 全国Ⅱ )I'm afraid Mr. Harding ________ see you now. He's busy.• A. can't B. mustn't• C. shouldn't D. needn't• 答案与解析: A 根据下一句中的内容可知 Mr. Harding现在“不能”见你。 can't“ 不能”; mustn't“ 禁止”;shouldn't“ 不应该”; needn't“ 不必”。• 3 . (2010· 北京 )One of the few things you ________ say about English people with certainty is that they talk a lot about the weather.• A. need B. must• C. should D. can• 答案与解析: D 英国人喜欢谈论天气是众所周知的事,所以此处只能用 can ,表示“可以,能够”。• 【考点诠释】• 1 .表现在的或一般的能力。 can 与 be able to 的用法一样,但后者不常用。• He can write well.• He is able to write well.• 2 .表将来的能力用 will be able to.• If you have a good sleep, you will be able to work out the problem.• 如果你睡个好觉,你就能做出这道题。• 3 .表示过去的能力。 could 表示过去一般的能力, was/were able to 表示通过努力成功地做了某事,相当于 managed to do sth./succeeded in doing sth. 。• The fire spread through the building very quickly but everyone was able to get out.• 尽管这场大火迅速蔓延到了整个大楼,但是每个人还是逃出去了。• 考点三十一 情态动词表示推测• 【真题再现】• 1 . (2010· 北京 )—Good morning. I've got an appointment with Miss Smith in the Personnel Department.• —Ah, good morning. You ________ be Mrs. Peters.• A. might B. must• C. would...