情态动词的特殊用法
情态动词的特殊用法是历年高考的考查热点。下面我们以实例进行解析，帮助同学们更好地掌握该内容。
1. _____ fired, your health care and other benefits will not be immediately cut off.
A. Would you be B. Should you be
C. Could you be D. Might you be
解析：答案为B。Should you be fired = If you should be fired。英语中should是一个常用的情态动词，但它可用于条件状语从句中，表示语气较强的假设，意为“万一，竟然”。
2. -What’s the name?
-Khulaifi. _____ I spell that for you?
A. Shall B. Would C. Can D. Might
解析：答案为A。Shall I/we . . . ? 是用来表示征求对方意见或建议的常用句型，它不表示将来。注意：shall的这一用法也适用于第三人称的疑问句中。例如：Shall he come to see you?（要不要他来看你?）
3. John, look at the time. _____ you play the piano at such a late hour?
A. Must B. Can C. May D. Need
解析：答案为A。此题考查must的特殊用法。这里must表示与说话人相反的愿望或语气不耐烦，意为“偏偏，偏要”。注意：近几年must表示“偏偏，偏要”这一用法已成为高考的一个热点。
4. -Must I turn off the gas after cooking?
-Of course. You can never be _____ careful with that.
A. enough B. too C. so D. very
解析：答案为B。can/could not（never） . . . too是一个固定搭配，意为“无论……也不过分，越……越好”。
5. Some aspects of a pilot’s job _____ be boring, and pilots often _____ work at inconvenient hours.
A. can；have to B. may；can
C. have to；may D. ought to；must
解析：答案为A。考查can表示一时的可能性、偶尔发生的事情，意为“有时会”。这个考点在近几年高考中备受青睐。第二空表示“不得不”。
6. -When can I come for the photos? I need them tomorrow afternoon.
-They _____ be ready by 12:00.
A. can B. should C. might D. need
解析：答案为B。should可用于肯定句中，表示说话人较为婉转的推测，并留有余地，具有“可能；该”之意。
7. When he was there, he _____ go to that coffee shop at the corner after work every day.
A. would B. should C. had better D. might
解析：答案为A。would此处表示过去反复发生的动作或行为，意为“总是，习惯于”。
8. -Excuse me, but I want to use your computer to type a report.
-You _____ have my computer if you don’t take care of it.
A. shan’t B. might not
C. needn’t D. shouldn’t
解析：答案为A。在表达“许诺、警告、意图、命令、决心”等，且主语为第二、第三人称时，须用情态动词shall。
9. You can’t imagine that a well-behaved gentleman _____ be so rude to a lady.
A. might B. need C. should D. would
解析：答案为C。should可用在表示惊奇、怀疑、不满等语气的名词性从句中，意为“竟然、竟会”。这一点也是近年高考的热点。
10. Many people agree that _____ knowledge of English is a must in _____ international trade today.
A. a；不填 B. the；an C. the；the D.不填；the
解析：答案为A。句中的must为名词，意为“必需的物品、不可缺少的东西”。如果同学们对must作名词的用法掌握较好，则非常有助于对该题的理解与解答。
11. How _____ you say that you really understand the whole story if you have covered only part of the article?
A. can B. must C. need D. may
解析：答案为A。can可用在疑问句、否定句中，表示说话者对那人所说的“只看了文章的一部分，就知道整个故事”感到怀疑和惊讶。
12. The fire spread through the hotel quickly but everyone _____ get out.
A. had to B. would
C. was able to D. could
解析：答案为C。was/were able to表示经过努力而成功地做成某事，相当于managed to do/succeeded in doing；而could只表示过去具备某种能力。
13. There’s no light on - they ____ be at home.
A. can’t B. mustn’t C. needn’t D. shouldn’t
解析：答案为A。该题考查情态动词表推测。情态动词表推测时，must用于肯定句,can用于否定和疑问句。
14. Tom, you _____ leave all your clothes on the floor like this!
A. wouldn’t B. mustn’t C. needn’t D. may not
解析：答案为B。此处mustn’t表示强烈的否定，意为“千万别，一定不要”。
15. _____ we never forget each other.
A. May B. Can C. Must D. Should
解析：答案为A。此处may用于祈使句中，表示祝愿。整句意为“愿我们彼此永不相忘。”又如：May you return in safety. （愿你平安归来。）
练习：
1. Mr. Bush is on time for everything. How _____ it be that he was late for opening ceremony?
A. can B. should C. may D. must
2. Naturally, after I told her what to do, my daughter _____ go and do the opposite!
A. may B. can C. must D. should
3. It has been announced that candidates _______ remain in their seats until all the papers have been collected.
A. can B. will C. may D. shall
4. “The interest ___________ be divided into five parts, according to the agreement made by both sides,” declared the judge.
A. may B. should C. must D. shall
5. You can’t imagine that a top student ______ have failed in the college entrance examination.
A. might B. need C. should D. would
6. Football, as is known to the world, _______ be exciting and inviting.
A. should B. might C. can D. will
7. -_____ he open the door?
-Yes, please.
A. Shall B. Will C. Can D. Would
8. The World Wide Web is sometimes jokingly called the World Wide Wait because it _____ be very slow.
A. should B. must C. will D. can
9. -Isn’t that Ann’s husband over there?
-No, it ______ be him-I’m sure he doesn’t wear glasses.
A. can’t B. must not C. won’t D. may not
10. It’s nearly seven o’clock. Jack _____ be here at any moment.
A. must B. need C. should D. can
11. What should we do if it _____ tomorrow?
A. should snow B. would snow C. snow D. will snow
12. You _____ use my bike on condition that you give it to me before I leave here.
A. should B. must C. ought to D. shall
（Keys: 1. A 2. C 3. D 4. D 5. C 6. C 7. A 8. D 9. A 10. C 11. A 12. D）
责任编辑：李芳芳