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以肯定，她现在一定在教室里，是对现在的肯定推测。
7.（安徽卷）Some people who don’t like to talk much are not necessarily shy；they just be quiet people.
A. must B. may C. should D. would 【答案】B
【解析】前半句为“有些人不喜欢讲很多话未必就是因为害羞,”后半句应该为”他们可
能是比较安静的人。”
8.（安徽卷）But for their help，we the program in time. A. can not finish B. will not finish have finished 【答案】D
【解析】But for起到了对过去虚拟的条件句作用,后面自然要选
would/could/might/should+have done结构了。
9.（福建卷）But for the help of my English teacher, I the first prize in the English Writing Competition.
A. would not win B. would not have won C. would win D. would have won 【答案】B
【解析】此处虚拟语气表示与过去事实相反，句子谓语动词用would/should/could/might +
have done结构，故选B。
10.（湖南卷）— It’s the office! So you know eating is not allowed here.
— Oh, sorry. A. must 【答案】A
【解析】句意为：这是办公室！因此你必须知道吃的不允许带到这里。must表示“绝不”的意思。
11.（江苏卷）He did not regret saying what he did but felt that he it differently. A. could express expressed 【答案】C
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C. had not finished D. could not
B. will C. may D. need
B. would express C. could have expressed D. must have
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【解析】he could have expressed it differently的意思为“他要是用另一种方式来说该多好啊”。
12.（辽宁卷）The traffic is heavy this day, I arrive a bit late, so could you save me a place?
A. can 【答案】D
【解析】A 项can 常用于疑问、否定的猜测句；must一定的意思表示很肯定的猜测，而
此处的语境应该是或许，大概之意，故选D项。
13.（四川卷） —I don’t care what people think. —Well, you _______ A. could B. would C. should 【答案】C
【解析】答话的人提了一个建议——你应该关注别人对你的评价的。should可以用来向
别人提建议，所以答案为C项。
14.（浙江卷）The doctor recommended that you swim after eating a large meal. A. wouldn’t B. couldn’t C. needn’t D. shouldn’t 【答案】D
【解析】recommend的宾语从句中用虚拟语气既：（should）+v,所以答案为D。
2010年
1.(全国I) Just be patient .You_____________ except the world to change so soon. A. can’t 【答案】A
【解析】通过选项此题考察情态动词，can't在否定句中可以表示推测，译为不可能，，
可以表示能力，译为不能够，也可以表示命令，不允许，但是语气比mustn't弱，具有劝慰的意思，根据句意此题中选择A项，can't表示劝慰。句意：耐心一点儿，你不可能期望世界变化如此快。
2.(全国II) I’m afraid Mr.Harding ____ see you now . he’s busy. A. can’t 【答案】A
【解析】结合语境，根据情态动词用于疑问或否定推测时，要用can’t。
B. mustn’t C. shouldn’t
D. needn’t
B. needn’t
C. may not D. will not
D. might
B. must
C. need.
D. might
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3.(安徽卷) Jack descried his father, who _____a brave boy many years ago, as a strong-willed man
A. would be B. would have been C. must be D. must have been 【答案】D
【解析】句意：杰克把他的父亲描述为一个意志坚强的人，他的父亲多年前肯定很勇敢。
用must have been表示对过去事情的肯定推测。
4.(北京卷)—Good morning. I've got an appointment with Miss Smith in the Personnel Department.
—Ah, good morning. You be Mrs. Peters. A. might 【答案】B
【解析】第一个说话人说和史密斯小姐有约，那下面的人就回应说，“那您一定就是Mrs.
Peters了”因此排除A，C，D三个选项。
5.(北京卷)－The weather has been very hot and dry. －Yes. If it had rained even a drop, things would be much better now! And my vegetables . A. wouldn't die have died 【答案】D
【解析】第二个说话人的If条件句是我们选择正确答案的关键。要是当时下雨了，现在
的情况就好的多了！我的蔬菜也就不会死了。与过去事实相反：过去没有下雨，所以我的蔬菜干死了也是发生在过去。将句子整合还原：If it had rained even a drop, my vegetables wouldn't have died.
If+ had done,主句为couldn’t/ shouldn't/ wouldn't have done.
6.(福建卷)Teachers recommend parents their children under 12 to ride bicycles to school for safety. A. not allow allow 【答案】A
B. do not allow C. mustn’t allow D. couldn’t B. didn't die C. hadn't died D. wouldn't
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【解析】recommend 后面的（that）从句中要用虚拟语气：should+do, should可以使省
略。 =Teachers recommend parents should not allow…=Teachers recommend parents not to allow…句意：老师建议父母出于安全考虑最好不要让12岁以下的孩子骑自行车去学校。
7.(湖南卷)If he __________my advice, he wouldn’t have lost his job. A. followed follow 【答案】C
【解析】根据“wouldn’t have lost”可判断if引导的状语从句表示与过去事实相反的虚拟，故选C项。
8.(湖南卷)You_________ buy a gift , but you can if you want to. A. must to
【答案】D
【解析】don’t have to 意为“没有必要”，符合语境，句意：你没有必要买礼物，但如果
你想买的话，你也可以买。
9.(江苏卷)—I haven’t got the reference book yet, but I’ll have a test on the subject next month. —Don’t worry. You______ have it by Friday. A. could 【答案】B
【解析】shall在第二人称中表示允诺，还可以表示强制，命令，威胁，警告。还有在法
律条文中的要求或规定。
10.(江苏卷)George is going to talk about the geography of his country, but I’d rather he_______ more on its culture. A. focus focused 【答案】B
【解析】would rather后应用虚拟语气，表示与现在时间相反，用动词的过去式。 11.(江西卷)I have told you the truth I keep repeating it? A. Must
B. Can
C. May
D. Will
B. focused C. would focus
D.
had
B. shall C. must
D. may
B. mustn’t
C. have to
D. don’t have
B. should follow
C. had followed D. would
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【答案】A
【解析】must必须,一定，can可以,能够， may也许，will意愿,倾向性动作。前半句说
我告诉你事实了，这里用的是现在完成时，表示过去的动作对现在造成了影响,既然我已经说了,我还必须重复一遍吗？
12.(辽宁卷)Doctors say that exercise is important for health, but it _______ be regular exercise. A. can 【答案】C
【解析】can一般表示“可能，或能力”；will表示“意志”；may表示“许可，可能”；
must表示“必须”。句意：医生说锻炼对身体重要，但是必须是有规律的锻炼。
13.(山东卷)I_______ have watched that movie —it’ll give me horrible dreams. A. shouldn’t 【答案】A
【解析】句意：“我本来不应该看那部电影的——它会使我做噩梦的。”表示“本来不
应该做而做了某事”用shouldn’t have done, 所以A项正确。
14.(陕西卷)If we _ __ the other road, we might have arrived here in time for the meeting. A. take 【答案】B
【解析】考查虚拟语气。所填词做虚拟语气中条件状语从句的谓语，根据主句的谓语动
词形式might have arrived可知题干是与过去事实相反，故所填部分用had+过去分词形式，选B项。句意：如果当时走了另一条路，我们就有可能及时赶到这儿开会了。
15.(陕西卷)—May I take this book out of the reading room?
—No, you . You read it in here. A. mightn’t 【答案】D
【解析】英语中用could，might表示询问或征求意见的问句中，肯定性应答要用can或
may来代替could或might，而may或might征求意见的问句否定应答时要用mustn’t，故本题选D项。
16.(四川卷)— I take the book out? —I'm afraid not.
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B. will C. must D. may
B. needn’t C. couldn’t D. mustn’t
B. had taken C. took D. have taken
B. won’t C. needn’t D. mustn’t