高考英语专题6 情态动词和虚拟语气
4.should/ought to have done表示本应该做某事，却没有做，含有
责备或后悔之意。其否定形式为 should not/ought not to have
done表示本不该做某事却做了。 With all the work finished, I should have gone to the party last night. 所有的工作都做完了，我昨晚本该去参加宴会的。 You ought not to have made fun of him.He is not the one you laugh
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2.(1)must常用于肯定句，一般不用于否定句和疑问句； can常用
于否定句、疑问句或感叹句中，表示疑惑、惊讶或不相信等 意思；could既可用于肯定句又可用于否定句和疑问句中。 (2)would, could, should, might不一定与过去时间有关，也可以 表示可能性弱于与他们相应的现在时形式。
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情态动词肯定义口诀 并不情愿却必须，不得不用have to。
本身决定必须做，must自律最酷的。
用时用力才能够，别无他选be able to。 can能can会can可以，may也可以来参与。 need需要dare敢，应该should，ought to演。
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3.—I don’t care what people think. —Well, you ________.
(3)用在其他动词，如might, may, would后只能用be able to。
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4.The fire spread through the hotel very quickly but everyone ________(able) get out. 答案 was able to [was able to表示经过努力能够做到，强调
five. 玛丽会弹钢琴，她5岁起就会弹了。
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2.表示过去能力时，was/were able to表示经过一番努力后取得了
成功。相当于manage to do或succeed in doing，而could没有这 个含义。 Yesterday I was able to get home before the heavy rain. 昨天我在下大雨前赶到了家里。
成功。句意：大火很快蔓延了整个宾馆，但是大家都成功地离
开了。]
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5.用can, could, be able to的适当形式填空 ①Though the building was on fire, they ________ go out safely. ②I’m going to Europe on vacation with John if I ________ find the money.
③—How’s your new babysitter?
—We ________ not ask for a better one.All our kids love her so much. ④The police still haven’t found the lost child，but they’re doing all they ________. ⑤You ________ be too careful when driving. 答案 ①were able to ②can ③could ④can ⑤can’t
此处could， might不表示过去，而是表示更委婉的语气。肯定回 答一般用Yes, please/Sure(Certainly/Of course)，you can (may)，不 能用 could 和 might 。否定回答一般用 mustn ’ t 或 cannot ，也可用 may not, had better not，或者直接用No，I’m afraid not.
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2.Will/Would you... ？表示请求。 would 表示更客气，有时也用 Won’t you...？意为“……好吗？”“要不要……”。 Will you close the window?
请你把窗户关上好吗？
Won’t you drink some more coffee? 要不要再来一点咖啡？ 3.shall用于第一、三人称的疑问句中时表示征求意见。 Shall I get you some tea?
我给你倒点茶好吗？
Shall the boy wait outside? 让那男孩在外面等好吗？
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4.shall用于第二、三人称的陈述句hey)以允诺、命令、决心、警告或威胁等，在法
律、条约、协定等文件中可以表示义务、规定等。 You shall get a birthday present. 你会得到生日礼物的。(允诺) You shall be sorry for it one day, I tell you. 有一天你会后悔的，我告诉你。(警告) Each citizen shall carry his identification card when travelling.
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2.have to表示“必须，不得不”，这个意义与must很接近，但 must表示主观意志，而have to表示由于客观因素不得不做某 事。 I told her that she must give up smoking.
我叫她必须戒烟。
I have to hand in my term paper before 5：00 p.m.today. 我必须今天下午5点前交学期论文。
at but learn from.
你本不应该取笑他的。他不是你要嘲笑的人而是你应该学习的 榜样。
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5.needn’t have done表示本没有必要做某事却做了，多用于否定 句中。 You needn’t have waken me up；I don’t have to go to work
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【温馨提示】 can与be able to的区别
(1)can只能用在一般现在时和一般过去时中，而be able to有更多
的时态。 (2)表示过去特定的能力或经过努力才具备的能力，只能用be able to。 I talked with her for a long time, and finally I was able to make her believe me. 我和她谈了很长时间，最终才赢得她的信任。
专题六 情态动词和虚拟语气
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情态动词思维流程
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知识点一
一、情态动词表示推测
表示可能性的层次比较： 词 语 must should 肯定式
情态动词的基本用法
否定式 / /
疑问式 / /
必定，必然 说话者有较大的试探性
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ought to can could
3.may/might have done表示对过去已发生的事情进行推断，意为
“可能/或许已经……”。其否定形式为： may/might not have
done意为“可能没有做……”。
It’s no use going to his house.He may not have gone home.He may have gone somewhere else. 去他家没用。 他可能没有回家，可能已经去了别的地方。
高考AB卷 学法大视野
五、“情态动词＋have done”的用法
“情态动词＋have done”的常见用法包括：
1.must have done表示对过去已发生的事情进行肯定的推断，只用 于肯定句中，意为“一定，必定”，其否定形式为： can’t/cannot have done。 It must have rained last night, for the road was quite wet.
旅游时每个市民务必带上身份证。(规定)
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1.情态动词两要点：动词原形跟后面，说话语气较委婉。 can表“能力”，may表“许可”， must表“责任”或“义务”，否定回答needn’t换， “需要”need，dare“敢”。
should“应该”，would“愿”，have to“被迫”表客观。
说话者有较大的试探性(含 义同should) 有时候可能 可疑的可能 或许，也许，说不定
/ 不可能 不可能 可能不
/ 有可能吗 语气比can弱
may might
/ /
比may还弱
比may not还弱
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二、情态动词表示请求、允许、允诺 英语中表示请求、允许和允诺的情态动词通常有： can ， may,
饿了。根据后面的语境可推知前面是“不能够，不可能”，故
用can’t。] 2.—Will you read me a story, Mummy? —OK.You ________ have one if you go to bed as soon as possible. 答案 shall [句意：——妈妈，给我讲个故事好吗？——好，
答案
should
[句意：——我不介意别人怎么想。——噢，你
应该那么做。根据语境可知，应用should，意为“应该”，表 示一种建议，劝说。]
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四、情态动词表示能力
表示“能力”的情态动词有：can, could, be able to。 1.情态动词can只有两种时态形式，现在时can和过去式could，而 be able to有多种时态形式。 Mary can play the piano.She has been able to play it since she was
专题06 情态动词和虚拟语气-备战2024年高考英语一轮复习查漏补缺大闯关100道必刷题(原卷版)
专题06 情态动词与虚拟语气目录1.最新名校精选必刷小题之单句语法填空2.情态动词与虚拟语气词义辨析选择题3.最新名校优选试卷语篇填空一单句语法填空1．If motorists (avoid) speeding on highways, there would not be more traffic accidents reported.2．We recommend that he (type) a name that is meaningful to him for the chatroom. 3．(be) I a bird, I would fly to see you at once.4．Obviously, it is high time that we (take) effective measures to tackle the problem. 5．Childhood memories came back to me so clearly, as if the events (happen) only yesterday.6．If they (consider) everything, they would not have made such a mistake.7．The teacher demanded that all the students (hand) in their cellphones. 8．It is recommended that detailed eye examination (do)every six months.9．Who do you suggest (send) to work on the farm?10．Take your raincoat in case it (rain).11．It is necessary that we (master) at least one foreign language.12．If only I (fly) like a bird.13．Maybe if I (study) science, and not, literature then, I (be) able to give you more help.14．He looked as if he (know) something about it.15．But for your timely help, we (lose) the match yesterday.16．I was ill that day, otherwise I would (take) part in the sports meet.A．should have made B．must have madeC．might make D．could make51．Be carefully. Don’t get the juice on your new dress, for it ___________wash out.A．can’t B．mustn’t C．shouldn’t D．won’t52．—I failed in the interview, because I didn’t introduce myself completely within three minutes. —You___________ the details. The main points are more important than details.A．should omit B．must omit C．should have omitted D．must have omitted 53．—______ you make so much noise?—Sorry. I’ll take care not to.A．Must B．Can C．May D．Would54．We ________ have agreed to the plan without knowing what it would cost.A．mustn’t B．may not C．oughtn’t to D．needn’t55．—_________ you come with me to Lang Lang’s piano concert this evening?—I’d love to, but I have to study for my math test.A．Should B．May C．Must D．Can56．—Why you be talking so loudly while others are studying?—I’m terribly sorry.A．shall B．must C．will D．may 57．—Tony, is that Mr. Black over there?—I knew that he had gone to England. It be him.A．might B．could C．can’t D．must 58．Richard is so tired after work that he feels ________ he could sleep for 24 hours.A．as if B．even though C．in case D．now that59．The committee has approved his ______ that he put off his gap year till he finishes the research.A．application B．wisdom C．arrangement D．request60．The manager recommended that the fresh graduate ______ a chance and decided to help the young man ______ smoking.A．be given; addicted to B．should give; addicted toC．would be given; addicting to D．should be giving; addicting to61．I strongly recommend that she _______ some kind of exercise in the morning.A．does B．did C．do D．have done 62．It’s a pity that such a talent as Jerry ______ leave his favourite work in that company.A．need B．could C．should D．may63．Had he studied harder, he ______ the exam last week.A．passed B．would passC．would have passed D．must have passed64．But for my casual attitude, I wouldn’t have been dismissed and ________ with my colleagues on the project now.A．might have worked B．would be workingC．were to work D．had worked65．It is the first time he ________ here and now it is high time that he ________ around.A．come;should be showedB．has come;was showedC．has come;be showedD．came;was showedA．wouldn’t take B．shall not takeC．not have D．won’t have67．—Do you feel like________ there or shall we take a bus?—I’d like to walk, but since there is no time left, I’d rather we________ a taxi.A．to walk;take B．walking;tookC．to walk;took D．walking;take68．I ________ you a valuable present for your birthday, but I ________ all my money.A．would like to give; ran out ofB．would like to have given; ran out ofC．would like to give; was run out ofD．would like to give; ran out69．I suggest that the person________ put into prison.A．refer toB．referred to beC．referring to should beD．referred to was70．The local authorities had given the instruction that all the old buildings there _____ pulled down.A．have to be B．will be C．be D．must be 71．He insisted what he did ______ right and the man who had spoken ill of him _____.A．was; be punished B．be; was punishedC．was; was punished D．be; be punished72．—I heard your journey was not very pleasant.—But for the sudden rain we a wonderful time.A．will have B．should have hadC．should have D．had73．_____, I’d have told you.A．If I would have known itB．If I had have known itC．Had I known itD．Should I know itA．Would B．ShouldC．Could D．Might76．The people who love peace do think that it is time the violent conflicts in Libya ________.A．come to an end B．put to an endC．came to an end D．bring to an end77．They advised that a passport_____with you at all times.A．carried B．was carried C．be carried D．carry78．If you ________ that late movie last night, you wouldn’t be so sleepy now.A．haven’t watched B．hadn’t watchedC．didn’t watch D．wouldn’t have watchedA．Had it not been for B．If it were notC．If it had not been for D．Were it not for80．The order came that all the small coal mines ________down in half a year.A．would be closed B．should be closedC．must be closed D．would closePassage 1阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。
高考英语复习知识点：情态动词和虚拟语气及英语作文结尾万能公式
高考英语复习知识点：情态动词和虚拟语气及英语作文结尾万能公式高考英语复习知识点：情态动词和虚拟语气虚拟语气在高考命题中不是重点，但是难点。
考点常集中在含蓄条件句以及主语、宾语从句等特定句型中虚拟语气的使用上，因此考生应熟练掌握含蓄条件句中主从句的时态要求以及一些典型句型中虚拟语气的具体形式。
虚拟语气考点透析考点一、虚拟语气的基本用法1.与现在事实相反的虚拟语气，基本结构为：主语+动词的一般过去时(be动词用were)+其他成分+if+should/would/could...+动词原形+其他成分。
例如：①If it were not for the fact that she ______ sing，I would invite her to the party.A.couldntB.shouldntC.cantD.might not解析句意为：如果不是因为她不会唱歌的事实，我会邀请她来参加那次聚会的。
that从句为同位语从句，描述的是事实，用陈述语气。
正确答案为C。
2.与过去事实相反的虚拟语气，基本结构为：主语+动词的过去完成时+其他成分+if+should/would/could...+have done+其他成分。
例如：If the weather had been better，we could have had a picnic.But it ______ all day.A.rainedB.rainsC.has rainedD.is raining解析句意为：如果天气好的话，我们是能够去野餐的，但是下了一天的雨。
句子前半部分陈述的是与过去事实相反的事情，所以用了虚拟语气。
下了一天的雨是事实，所以用陈述语气。
因为是发生在过去的事实，所以正确答案为A。
3.与将来事实相反的虚拟语气，基本结构为：主语+动词的一般过去时/should do/were to do+其他成分+if+should/would/could...+动词原形+其他成分。
高考英语语法复习情态动词和虚拟语气
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5. Should I open the window? 我可以开窗户吗？ 6. You shouldn't be sitting in the sun. 你不应该坐在阳光下。
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7. It's 4：30. They should be in New York by now. 现在是4点半，他们应该到达纽约了。 8. If he should drop in, give him my message. 他若来访，就将我的消息给他。
(2)He shall be punished if he disobeys. 你照我的样子办。
他若不服从就要受到处罚。
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3. (1)You shall have my answer tomorrow. (2)She shall get her share. (1)你明天可以得到我的答复。
(2)她可以得到她的一份。 4. (1)Shall I get you some coffee, Miss Fleure?
除了 can ， would 以外，英语中还有很多情态动 词 。 常 见 情 态 动 词 有 ： must ， can(could) ， may(might) ， ought to ， need ， dare shall(should) ， will(would) have (had) to，used to, had better，would rather。 注意：need，dare也可用作实义动词。
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4. May you succeed.
祝你成功。
5. (1)You may well say so.
专题六 情态动词、虚拟语气
专项知识
答题技巧
对点集训
专项知识
七、“情态动词＋have done”的用法 1．must have done sth.；can(could) have done sth. (1)must have done sth.表示对过去已经发生的事情的有把握的推 测，意思是“想必、准是、一定做了某事”，只用在肯定句中。 It must have rained last night，for the ground is wet. (2)can(could) have done sth.表示对过去发生的动作的怀疑和不肯 定，通常用在否定句和疑问句中。 He can’t have forgotten it.
but for相当于if it were not for/if it had not been for，表示“要不
专项知识
答题技巧
对点集训
专项知识
2．在虚拟条件句中有时if是可以省略的，当if被省略后，要将从句 中的were，had，should置于句首，构成倒装结构。 Were he here，he could settle the issue. 二、虚拟语气在名词性从句中的用法 1．宾语从句 (1)suggest等表示建议、愿望、命令等的动词后跟的宾语从句要使 用虚拟语气，从句谓语的结构为“should＋动词原形”，其中 should可以省略。类似用法的动词还有order，request，advise， require，insist，demand，command等。
专项知识
答题技巧
对点集训
专项知识
2．would (1)表示请求、建议，比will委婉，指现在时间，多用于第二人称。 Would you like a cup of tea? (2)表示过去习惯性动作或某种倾向。 We would play badminton on Sundays. 六、shall和should的用法 1．shall (1)用于第一、三人称，在问句中表示征求对方意见或请求。 (2)用于第二、三人称表示命令或威胁。 You shall do as your father says.
全国2019年高考英语真题分类汇编：专题06-情态动词和虚拟语气(含答案解析)
专题六情态动词和虚拟语气1.【2015·北京】29．—Can’t you stay a little longer?—It’s getting late. I really _____go now, My daughter is home alone.A .mayB .canC . mustD .dare【答案】C【解析】试题分析：句意：——你不能再多待会儿吗?——很晚了，我必须得走了。
我女儿一个人在家。
A. may可能，可以，也许；B. can能，会；C. must必须，必然要，必定会；D. dare敢，胆敢。
结合句意，故选C。
【考点定位】考查情态动词辨析【名师点睛】本题是考查情态动词，这里考查的是语气的强度，在这里结合语境是“一定”的意思，所以要做好此类辨析题需掌握情态动词选项的语气并结合语境。
2.【2015·北京】34. If I _____it with my own eyes ,I wouldn’t have believed it.A . didn’t see B. weren’t seeing C. wouldn’t see D. hadn’t seen 【答案】D【解析】试题分析：句意：如果不是我亲眼看到，我不会相信。
根据后半句wouldn’t have believed 可以判断是对过去的虚拟。
所以从句是if+主语+ had+done的形式。
故选D。
【考点定位】虚拟语气【名师点睛】条件句中有if引导时,首先要根据句意和句子结构判断是真实条件句还是虚拟条件句,如果符合虚拟的结构,就可以根据句子中的时间和语意判断应该用哪种虚拟语气。
3.【2015·重庆】7. Without his wartime experiences, Hemingway____ his famous novelA Farewell to Arms.A.d idn’t writeB. hadn’t writtenC. wouldn’t writeD. wouldn’t have written【答案】D【解析】试题分析：句意：没有他战时的经验，海明威就不可能写出著名的小说永别了武器。
2022届高考英语情态动词和虚拟语气、特殊句式考点梳理
2022高考英语情态动词和虚拟语气、特殊句式考点梳理（素材）高考英语情态动词和虚拟语气、特殊句式考点梳理考点1 情态动词和虚拟语气一、情态动词1.情态动词的类型(1)只作情态动词的有：must,can (could),may (might),ought to(2)可作情态动词也可作实义动词的有：need,dare(3)可作情态动词也可作助动词的有：shall (should),will (would)(4)具有情态动词的某些特征的有：have (had) to,used to 2.情态动词的特征(1)有一定的词义,但不能单独作谓语,要和动词原形连用构成谓语。
(2)适用于主语的各种人称和数 (have to例外,主语是第三人称单数时,要用has to)。
We/He must work hard.我们/他一定要努力工作。
I have to walk home.我得步行回家。
He has to walk home.他得步行回家。
(3)后面接动词原形。
He may lose his way.他可能会迷路。
You ought to obey the law.你应该遵守法律。
(4)具有助动词的作用,即可用来构成否定句、疑问句及用于简略答语。
—I can't swim. Can you swim？—No, I can't, either.——我不会游泳,你会游泳吗？——我也不会。
3.情态动词的基本用法(1)can,could用法例句can表示现在一般的能力,could表示过去一般的能力,即不表示做与未做某事 Mary can speak three languages. 玛丽能说三门语言。
Tom could sing English songs at the age of 6.汤姆6岁就能唱英文歌了。
表示请求、允许。
在一般疑问句中,could可代替can,但比can语气更委婉,答语要用can —Can/Could you help me？—Yes, I can. ——你能帮我吗？——可以。
6. 情态动词和虚拟语气+完形填空(学生版) 高三高考会考英语总复习 知识点
情态动词和虚拟语气+完形填空学习目标1. 掌握情态动词的基本用法和特殊用法。
2. 掌握情态动词+have done的用法。
3. 掌握虚拟语气各类用法的结构和规律。
一、情态动词1.can/could用法备注例句表能力陈述句He can swim.He could swim when he was a child.惊异、怀疑、不相信否定、疑问、感叹句How can you be so careless？推测不包括can的肯定形式He can’t be Mr. White, because I don’t know him.I lost my purse. Where could I have put it?客观可能性，翻译为“有时会”仅限于canHe is friendly, but sometimes he can be difficult to get alongwith.The northern part of China is cold, but sometimes it can bewarm.Nowadays, graduates can have difficulty finding jobs.【比较】be able to do sth. 表示经过努力能达到的能力。
如：The fire in the hotel spread fast but fortunately all of the people were able to run out.酒店火势蔓延的很快，但幸运的是所有人都逃了出来。
学以致用：通过下面的练习，我们体会下can的用法— Isn't that Ann's husband over there?12Two eyes3Mr. Bush is on time for everything. How4He was a good swimmer, so he学以致用：通过下面的练习，我们体会下56—Could we phone our English teacher now?学以致用：通过下面的练习，我们体会下7—Excuse me, but I want to use your computer to type a report. 8It has been announced that candidates学以致用：通过下面的练习，我们体会下9You10You can't imagine that a well-behaved gentleman学以致用：通过下面的练习，我们体会下11I know things are hard with you, but you12As he had heart attack, he was told that he学以致用：通过下面的练习，我们体会下13— Please don't make a noise.学以致用：通过下面的练习，我们体会下情态动词14—Catherine, I have cleaned the room for you.15I didn't hear the phone. I16YouJack1718I told Sally how to get here, but perhaps I学以致用19Everything20If I21—Did you go to watch the basketball match last night?If I2223---Did you notice John was not at work today?虚拟条件句的从句部分如果含有学以致用2425Had electronic computers not been invented, many problems of space flight 262728主句与从句的动作发生在不同的时间，这时主、从句谓语动词的虚拟语气形式因时间不同而不同，学以致用29Tom would buy that bicycle but he30Had Paul received six more votes in the last election, he31If I had seen the movie, I在某些虚拟语气结构中没有学以致用32—Did you enjoy your trip?33Sally can't have written to me, or 在表示① I insisted that he should come with us.我坚决主张他与我们一起来。
情态动词和虚拟语气
情态动词主要用来表示说话人的情感、态度等，是中学英语语法的重点，也是高考的热点，是单项填空必考的一个知识点。
情态动词在近五年高考中主要考查四点：情态动词表示推测和可能性的用法；情态动词与虚拟语气；情态动词表达“情感、态度、语气等”；情态动词表示“必要性”等方面的用法。
虚拟语气的考点主要集中在名词性从句、条件句中的用法，以及错综条件句中虚拟语气的应用。
一、概念1.什么是情态动词①本身有一定词义，是表达说话人的情感、态度、语气的词，其作用是给动词增添感情色彩②表现形式：情态动词+动词原形/be2.特点①没有人称和数的变化②不能直接跟宾语，必须搭配实义动词或be动词的原形③情态动词的过去式往往不表时态，而表示更加委婉的语气。
例句：Can/could you help me?2.情态动词的表现形式1）情态动词+do例句：We must help each other to overcome the difficulties.You shouldn’t be so careless.2）情态动词+be doing例句：She must be sleeping now.My mother may/might be cooking now3）情态动词+be done例句：Difficulties can and must be overcome.Something must be done to stop pollution.4）情态动词+have done例句：You ought to have come earlier.They might have finished the work.二、情态动词的分类1.只能作情态动词：must, can/could, may/might2.可作情态动词也可作助动词的：will/would, shall/should3.可作情态动词有可作实义动词的：need，dare4.具有情态动词特征的：ought to, have to, be able to三、分类讲解1.can /could1)表示能力：会，在表示过去的能力时用could例句：I can swim.Lucy can dance well and her mother could dance well when she was young.The cinema can seat 500 people.I could not read such an easy book when I was 7 years old.2)表允许，许可常用在口语中，此时could 不表示过去式，而表示语气上比can更客气。
高考英语考点之情态动词和虚拟语气
高考考点之情态动词和虚拟语气考点详解【命题解读】英语中常用的情态动词主要有can，could，may，might，must，will，would，shall，should，ought to，dare，need，used to，had better等。
在学习情态动词时应注意以下几点：同一情态动词表示不同的意义的情况；情态动词后跟各种形式的用法；尤其要注意＂情态动词+完成式＂是高考中的重点所在。
对虚拟语气的考查重点在于根据句子的语境灵活多样地运用虚拟语气，宾语从句中虚拟语气的应用，交际用语中为表示委婉而使用的虚拟语气，含蓄条件句中的虚拟语气，以及特殊句型中的虚拟语气等。
【命题预测】情态动词是2021年各地高考试题中的必考项目，每年高考单独命题区的单项填空必有一道考查情态动词的项目。
新课标卷主要在语法填空和短文改错中考查。
考点依次是：推测(可能性)→请求/允许→必要性→特殊用法。
试题的立意不偏不怪，但有效信息越来越隐蔽，语境越来越真实，考查角度越来越细致，这些因素在很大程度上增加了试题的难度。
情态动词和虚拟语气与动词的时态和语态相结合的考查是近年来高考的趋势。
【复习建议】情态动词：1. 掌握情态动词的基本用法；2. 掌握情态动词表达＂情感、态度、语气等＂方面的用法。
虚拟语气：1. 掌握虚拟语气的基本用法；2. 掌握含蓄虚拟条件句的用法；3. 掌握主从句时间不一致的虚拟条件句的用法；情态动词考向一情态动词的基本用法1）can，could与be able to1．表示能力，意为＂能，会＂。
☞Many people can use the computer.许多人会用电脑。
☞If you have a good sleep，you will be able to work out this problem.如果你好好睡一觉，你将能够解出这道题。
☞I could have worked out the problem，but I was too nervous.我本来可以解决这个问题，但我太紧张了。
2013年高考英语冲刺押题系列(6)：情态动词和虚拟语气
名师押题：【押题1】– Miss Smith is waiting outside. _______ she come in to see you, sir?– Yes, please show her in. I have got something important to tell her.A. ShallB. WillC. WouldD. Must【押题2】Oh，Richard，why _______ you always do the opposite of what I tell you?A. mustB. mayC. shouldD. can【答案】A【解析】考查情态动词的用法。
此处must意为：偏要，硬要。
句意：你为什么偏要做我告诉你的相反的事情。
【押题指数】★★★★【选题理由】高频情态动词should，can，must等的用法近三年全国各地区考查should的用法的题目有6道，是高考考查的热点之一。
【得分锦囊】常见的情态动词的用法也是高考考查情态动词的热点之一。
要想做好该类题目，首先要掌握这些情态动词的基本用法，然后在做题时根据具体的语境确定正确的答案。
对于should，不仅要掌握其‖应该‖的意思，还要掌握它的其他用法，如should表示推测的用法、用于虚拟语气的用法和表示‖惊奇‖的语气。
【押题3】—Do you think he is lazy?—I ______ so once, but I don’t now.A．may have thought B．can have thought C．may think D．might thinkmust have done表示‖过去一定做了……‖(非常确定)；can have done用在否定句和疑问句中，should have done表示―过去本该做……(实际却没做)‖。
【押题指数】★★★★【选题理由】情态动词+have+过去分词的用法【得分锦囊】1．must+have+过去分词：表示对过去发生的动作或存在的状态进行推测。