情态动词【示例】I have lost one of my gloves. I _____ it somewhere.
A.must drop
B.must have dropped
C.must be dropping
D.must have been dropped
解析:must have done表示“过去一定做了某事”。句意为：我丢了一只手套，我肯定是掉在什么地方了。
答案：B
1. Some young people these days just___________ go out of the Internet bars into the real world．
A．mustn’t
B．shouldn’t
C．won’t
D．needn’t
【答案】C
【解析】句意：进来一些年轻人不愿意走出网吧到现实来。won’t“不愿意”符合句意。
2. What's your opinion of Mr．Li's request that we ______ spend half an hour reading English aloud every morning?
A．must
B．would
C．should
D．could
【答案】C
【解析】考查request的用法。request 后面的名词性从句要用虚拟语气，即主语+（should）+动词原形。
3. I didn’t see her in the conference room this morning. She ________ have done the presentation at the meeting.
A. couldn’t
B. shouldn’t
C. needn’t
D. may not
【答案】A
【解析】考查“情态动词+have done”的用法。从第一个句子告诉我们：没有看到哦她出席会议，所以用“情态动词+have done”表示对过去事情有把握的否定的猜测，意思是：不可能做……。
4. You'd better put on a heavy coat．Sometimes it
be very cold here at night．
A．should
B．can
C．will D．must
【答案】B
【解析】考查情态动词的用法。语境为：你最好穿上大衣。在这里晚上有时很冷。这里表示客观可能性，意思是：可以，可能。
5. — God! My cell phone is missing.
— You ______ have left it at home. I heard you telephone our daughter in the bathroom.
A. shall
B. must
C. would
D. could
【答案】B【解析】考查情态动词。根据答语第二句的内容可知第二个说话人认为对方“一定”是把手机忘在家里了。
6. I ran all the way to school yesterday, otherwise I ______ late for the annual talent show.
A. was
B. had been
C. would be
D. would have been
【答案】D
【解析】考查虚拟语气。句意：昨天我一路跑到学校，不然年度才艺表演我就会迟到。本句的后半句是虚拟语气，是对过去情况的假设，所以用would have done结构．
7. You _____ bring your identification when you open a bank account.
A. may
B. can
C. must
D. will
【答案】C
【解析】考查情态动词的用法。句意：当你开银行账户的时候，你必须带你的身份证。
8. —Is it good to look up every new word when I come across it in reading?
—No. You
, because you are likely to guess the meaning from the context.
A．don’t have to B．shouldn’t
C．can’t
D．mustn’t
【答案】A
【解析】考查情态动词的用法。从答语的后半句可以看出，他认为没有必要把每一个生词的意思都查出来，因为可以通过上下文的语境来猜测他们的意思是，表示没有必要，用don’t have to。
9. Churchill warned Hitler, " If you dare to invade Britain, you _______pay for it with great cost．"
A．will.
B．shall
C．may
D．should
【答案】B
【解析】句意：丘吉尔警告希特勒，“如果你胆敢侵略英国，你要为此付出巨大的代价的。”shall用于第二、第三人称，表示说话人给对方命令、警告、允诺或威胁。故选B项。
10． You _________ either go with her or stay at home. It all depends on yourself！
A.
will
B. must
C. should
D. may
【答案】D
【解析】考查情态动词辨析。may 可以。句意为：你可以和她一块去，也可以呆在家里，这完全取决于你自己。
11. —Why are you in such a hurry?
—Don't you remember that we ____ be home by 8p．m．to see our favorite TV show?
A．can B．would C．must
D．may
【答案】C
【解析】考查情态动词。 must 在这里表示“必需”。句意为：--为什么这么匆忙啊？--不记得吗？我们必须得8点前到家，看我们喜爱的电视节目吗？
—What’s your feeling now?
—I am terribly sorry. If only I
here yesterday!
A．came B．would have come C．have come D．had come
【答案】D
【解析】考查if only的用法。 if only 意思是：要是……就好了，由时间状语yesterday来看，这是对过去所发生事情的虚拟，所以用过去完成时。
If you
smoke, you could at least go to the smoking area.
A．can B．must C．will D．shall
【答案】B
【解析】考查情态动词的特殊用法。must在这里表示“偏偏，非要”。句意为：要是你非吸不可的话，至少得到吸烟区里吸。
—Jenny has dyed her hair red again.
—It
be true! I can hardly believe it.
A．mustn’t B．may not
C．can’t D．shouldn’t
【答案】C
【解析】考查情态动词的用法。由答语的第二句“I can hardly believe it.”可以看出，我不相信对方所说的，所以选can’t，意思是：不可能。答语句意为：----不可能是真的！ 我不相信你说的话。
—The conflicts between North and South Korea call for talks to solve the problem.
—Quite right. I would rather the UN ________ something immediately.
A. would do
B. does
C. did
D. will do。
【答案】C【解析】考查虚拟语气的用法。很显然，would rather后的句子是对将来事情的虚拟，所以用一般过去时。
I’m surprised that your story ______ the first prize.
A. should win
B. can win
C. should have won
D. can have won
【答案】C
【解析】考查情态动词+have done的用法。should have done表示“不该做的事情竟然做了”。句意为：你的小说竟然获得了一等奖太让我吃惊了。
—Come to supper with us, Peter.
一Great ！ I
_______
bring a bottle of wine.
A. will
B. can
C. may
D. must
【答案】A
【解析】 考查情态动词的用法。这里说的是将来的动作，表示意愿。答语意思是：我愿意带瓶白酒。故选A。
---Can I pay the bill by check?
---Sorry, sir. But it is the management rules of our hotel that payment
be made in cash.
A．shall B．need C．will D．can
【答案】A
【解析】本题考查情态动词。shall用在条约、规章、法令等文件中表示义务或规定，一般用于第三人称)，意为“应该，必须”。句意：——我可以用支票付账吗？——对不起，先生。只是这是我们旅馆的管理规定：付账必须使用现金
If passers-by ___ a blind eye to the injured little Yueyue in Foshan, Guangdong, she___ alive now．
A．didn't turn; would be
B．hadn't turned; would be
C．didn't turn; would have been
D．hadn't turned; would have been
【答案】D考查虚拟语气。由常识可知，小悦悦事件已过去的事情，所以这是对过去发生事情的虚拟，所以从句用过去完成时，即had done,主句用would have done。
【解析】It
have been her to leave her child alone．She isn’t such a person。
A．couldn’t
B． mustn’t
C. mightn’t
D. wouldn’t
【答案】A
【解析】考查情态动词的用法。由语境可知，leave应该是过去的一个动作，很显然这是对过去发生事情的否定猜测，所以应该用couldn’t have done，意思：不可能……。语境为：他不可能把孩子单独留在家里。他不是那种人。
The government urged that every effort ____ to bring down house prices.
A. should make
B. would be made
C. be made
D. must be made
【答案】C
【解析】考查虚拟语气。此处urge后的宾语从句用should+动词原形的形式，should被省略；宾语从句还是make every effort to do sth的被动形式。句意：政府紧急督促要尽一切努力降低房价。
Our teacher insisted that the key words worth paying attention _______ before class．
A．to underlined
B．was underlined
C．to be underlined
D．to being underlined
【答案】C
【解析】考查虚拟语气。分析句子结构可知，worth paying attention to作the key words的后置定语；insist表示”坚持主张”时，其宾语从句使用虚拟语气，谓语动词使用should do，should
可以省略，因此该从句谓语为(should)be underlined，因此选择C。解该题的关键在于弄清句子结构，不要受思维定势的干扰而误选D。
—Is it good to look up every new word when I come across it in reading?
—No. You
, because you are likely to guess the meaning from the context.
A．don’t have to B．shouldn’t
C．can’t
D．mustn’t
【答案】A
【解析】考查情态动词的用法。从答语的后半句可以看出，他认为没有必要把每一个生词的意思都查出来，因为可以通过上下文的语境来猜测他们的意思是，表示没有必要，用don’t have to。The little girl is too thin．She ______ gain some weight if she ate more, but she ______ too little.
A．would; ate
B．will; eats
C．will; ate
D．would; eats
【答案】 D
【解析】考查虚拟语气和动词的时态。语境可知，这是对现在情况的虚拟，从句用的是过去时，所以主句用would done。but后的分句描述的是现在的情况，所以用一般现在时。句意为：这个小女孩太瘦了，如果他多吃一点，体重就会增加些，但是她吃得太少。
—Could I watch'IV for 10 minutes more, mum?
—Oh, dear if you
．
A．can
B．must
C．may
D．sbouId
【答案】B
【解析】考查情态动词的特殊用法。must 意为：偏偏，非要。句意为：---妈妈，我能在多看10分钟的电视吗？---哦，要是你非看不行的话（就看吧）。
The constant rise of meat price requires that effective measures _____ by the government．
A．must be taken
B．be taken
C．will be taken D．should take
【答案】B
【解析】考查虚拟语气。这里构成短语：take measures 意为采取措施。require 意思是：要求，后面的宾语从句要用虚拟语气，即(should)+ 动词原形。
Your suggestion that the door _______ when we leave is reasonable.
A. should shut
B. will shut
C. would be shut
D. be shut
【答案】D
【解析】考查虚拟语气。suggestion 后面的同位语从句要用虚拟语气，即(should+)动词原形。