英语情态动词练习及答案详解 含答案百度文库

英语情态动词含答案解析一、情态动词单项选择题1．—Robert, could you help me wash the car?—Of course, I ________. I’m coming, dad.A．could B．should C．can D．need【答案】C【解析】【详解】句意：——罗伯特，你能帮我洗车吗？——当然可以。

我来了，爸爸。

考查动词辨析和一般疑问句。

could能，过去式；should应该；can能，原形；need需要。

问句“could you help me wash the car”中的could表示委婉，肯定回答应用“can”，故选C。

2．You’d better ________ it with your parents before you make a decision.A．discuss B．to discuss C．discussed D．discussing【答案】A【解析】【详解】句意：你最好先和父母商量一下再做决定。

考查非谓语。

you’d better do sth“最好做某事”，空格处应用原形，故选A。

3．— Must I go to music school and be a teacher like you, Dad?—No, you ________, son. You’re free to make your own decision.A．can’t B．needn’t C．mustn’t【答案】B【解析】【分析】【详解】句意：——我必须去音乐学校，像你一样当老师吗，爸爸？——不用，儿子。

你可以自由地做自己的决定。

考查情态动词。

can’t 不能，不可能；needn’t 不必；mustn’t 一定不，表示禁止做某事。

根据“You’re free to make your own decision.”可知，不需要像爸爸一样当一名老师，结合选项，needn’t符合句意。

英语情态动词含答案解析一、情态动词单项选择题1．—You ________? It’s dangerous!—Yes, Mr. Smith!A．must B．could C．mustn’t D．couldn’t【答案】A【解析】【分析】【详解】句意：——你偏要这样吗？太危险了！——是的，史密斯先生！考查情态动词。

must表偏要，非得；could能够，可以；mustn’t不能，表禁止；couldn’t 不可能，表推测。

根据“ It’s dangerous”可知，史密斯先生是反问的语气。

故选A。

2．—I wonder if these are Danny’s glasses?—They ________ be Danny’s. He doesn’t wear glasses.A．may B．can’t C．must D．mustn’t【答案】B【解析】【分析】【详解】句意：——我想知道这是不是丹尼的眼镜？——它们不可能是丹尼的。

他不戴眼镜。

考查情态动词。

may可能；can’t不可能；must必须；mustn’t禁止。

根据下文“He doesn’t wear glasses”可知，此处表否定推断，故A、C选项可排除。

mustn’t意为“禁止”，不表推测，D选项可排除。

故选B。

3．We ________ breathe the same breath and share the same future as Chinese people. A．might B．should C．could D．would【答案】B【解析】【详解】句意：我们要同中国人民同呼吸、共命运。

考查情态动词辨析。

might可能；should应该；could能够；would将。

根据“breathe the same breath and share the same future as Chinese people”可知，应该与中国人民共命运，故选B。

【英语】情态动词练习题含答案及解析一、单项选择情态动词1．—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．needC．will D．can【答案】A【解析】【详解】考察情态动词用法。

句意：——我能用支票付账吗?——对不起,先生。

但这是我们酒店的管理规定,支付要用现金。

shall可以表示命令，警告，强制，或者指规则和法律要求做的事情。

本题正是考察了shall表示按照规则和法律要求做的事情。

故A正确。

2．You _____ be right but I’m going back to check anyway.A．should B．must C．need D．might【答案】D【解析】【详解】考查情态动词。

句意：你或许是对的，但我还是要回去核对一下。

A. should应该；B. must 一定，必须；C. need需要；D. might或许。

本题主要考查情态动词表示推测的用法，由I’m going back to check anyway可知，我对此不确定。

由此可知，D项符合题意。

故选D项。

【点睛】can / could用于表推测的用法(1) 从使用句型上看，can 通常只用于否定句或疑问句，一般不用于肯定句，而could 可用于肯定句、否定句和疑问句。

两者没有时间上的差别，只是could 比 can 更委婉，更不确定。

(2) 从时间关系看，对现在或将来情况作推测，后接动词原形；对正在进行的情况作推测，后接 be doing 结构；对过去情况作推测，后接动词完成式。

二、 may / might用于表推测的用法表示推测，两者都可用，只是 might 比 may 语气更不确定，表示的可能性更小。

初中英语情态动词专项练习（附答案解析）一、单选题1．—Must I hand in the homework right now?—That's the rule.A．Yes, you can.B．No, you can't.C．Yes, you must.D．No, you mustn't.1．答案C解析句意：—我必须现在交作业吗？—这是规则。

是的,，你必须。

A. Yes,you can.“是的,你能”；B. No,you can't.“不,你不能”；C. Yes,you must.“是的,你必须”；D. No,you mustn't.“不,你禁止”。

回答must引导的一般疑问句，肯定用must，表示"必须"。

故选C。

点评考查情态动词引导的一般疑问句的回答，掌握情态动词must的用法。

2．You don't look well, you __________ see the doctor.A．ought to B．may C．can D．Might 2．答案A解析句意：你看起来不好，你应该去看看医生。

根据“看起来不好”可以得知是应该去。

A. ought to “应该”；B. may “可能”；C. can“ 会”；D. might“可能”。

故选A。

点评考查情态动词，区分ought to；may ；can和might的含义和应用。

3．What a beautiful day! You ______ take your umbrella at all.A．needn't B．mustn't C．can't D．may not 3．答案A解析句意：多好的天气啊!你根本不需要带伞。

A. needn't “不必”；B. mustn't“禁止”；C. can't“不可能”；D. may not“或许不会”。

（完整版）情态动词专项练习（含答案）1. I promised to get there before 5 o’clock, but now the rain is pouring down. They ______ for me impatiently.A. may waitB. ought to waitC. could waitD. must be waiting2. He was very brave. Even though she’d hurt her leg, she ________ go back alone.A. couldB. mightC. have toD. was able to3. You ________ pay too much attention to your reading skill, as it is so important.A. cannotB. shouldC. mustD. needn’t4. I’ve tried several times, but the car just _______.A. doesn’t startB. wouldn’t startC. won’t startD. didn’t start5. Always the old lady ______ sit for hours doing nothing at all.A. was used toB. wouldC. used toD. should6. There used to be a small school,___________?A. was thereB. wasn’t itC. usedn’t thereD. usedn’t it7. Our house is on the top of the hill, so in summer the wind _____ be pretty cold.A. mustB. canC. ought toD. need8. Haven’t I told you that you __________ have the ans wer tomorrow morning?A. willB. shallC. shouldD. would9. I’m surprised that he _______ in the match.A. should failB. should have failedC. would have failedD. may have failed10. Better go to see my sick colleague right now, ________I?A. hadn’tB. didn’tC. don’tD. won’t11. Sir, you ______ be hunting deer here, for they are preserved by the government.A. oughtn’t toB. can’tC. won’tD. needn’t12. Sorry I’m late. I ______ have turned off the alarm clock and gone back to sleep again.A. mightB. shouldC. canD. will13. —There were already five people in the car, but they managed to take me as well.— It __________ a comfortable journey.A. can’tB. shouldn’t beC. must have beenD. couldn’t have been14. To be on the safe side, we should fill up the tank now, because we ______ run out of gas on the way.A. canB. wouldC. mightD. should15. ____ three people who travel together, there _____ be at least one who ____ be my teacher.A. Between; can; willB. In; should; couldC. Among; will; mayD. Of; must; can16. —Could you lend me that book you ______ me aboutwhen I telephoned you?—No, I am sorry, I can’t. I gave it to a friend.A. were tellingB. would tellC. had toldD. had been telling17. —We need a person badly to think up such an idea.—_______ the new comer have a try?A. ShallB. MayC. ShouldD. Need18. We ________ so tired. We’ve only been to a party.A. mustn’t have feltB. wouldn’t have feltC. shouldn’t have feltD. couldn’t have felt19. Professor Smith, many students want to see you. __________ they wait here or outside?A. DoB. ShallC. WillD. Would20. —How about paying a visit to Mr. Richardson, our former history teacher?—Good idea. I will e-mail him today so he _____know _________ to expect us.A. shall; whyB. may; whenC. would; whyD. will; how21. —I went to work on foot yesterday, though it _________ cats and dogs.—You __________ by bus. It was likely to get a cold.A. is raining; must have goneB. rained; would goC. was mining; should have goneD. have rained; could have gone22. You ______ pay too much attention to your reading skill, as it is so important.A. cannotB. shouldC. mustD. needn’t23. I told Sally to fix him up with this job, but perhaps I _________ it out for her.A. had to writeB. must have writtenC. should have writtenD. ought to write24. My sister met him at the Grand Theatre yesterday afternoon, so he ________ your lecture.A. couldn’t have attendedB. needn’t have attendedC. mustn’t have attendedD. shouldn’t have attended25. Research findings show we spend about two hours dreaming every night, no matter what we ________ during the day.A. should have doneB. would have doneC. may have doneD. must have done26. —Is there any flight to Tokyo today?— I think there _____, for the weather is too bad.A. mustn’t beB. mightn’t beC. needn’t beD. can’t be27. —I’m told that John had another car accident this morning.— I believe not. He _____ so careless.A. shouldn’t have beenB. wouldn’t have beenC. couldn’t have beenD. mustn’t have be en28. It was playing computer games that cost the boy a lot of time that he __________ doing his lessons.A. might have spentB. ought to have spentC. must have spentD. could have spent29. —I didn’t know you were good friends.—You _______. I have known her since she moved here. You were studying abroad then.A. may haveB. needn’t haveC. couldn’t haveD. must have30. They must have finished the work by the end of last month, __________?A. mustn’t theyB. haven’t theyC. hadn’t theyD. didn’t they31. —I didn’t see her yesterday.— Of course, you _____, because he had gone for a trip.A. can’tB. may not haveC. can’t haveD. mustn’t have32. You ________ phone him if you want to, but you _________. He is sure to phone you.A. may; mustn’tB. have t o; needn’tC. can; doesn’t needD. can; needn’t33. — She must have gone back to the valley.— ______, she _____ have. The entrance to it was nowhere to be found.A. No; mustn’tB. Yes; mightC. Yes; couldD. No; couldn’t34. He _____ full marks, but he was so careless as to make a spelling mistake.A. must have gainedB. can have gainedC. could have gainedD. must gain35. From what you said, she _____ you about it.A. mustn’t have toldB. can’t have toldC. mustn’t tellD. can’t tell36. — You ought to have made an apology to Tom yesterday evening.— Yes, I know I _________.A. ought toB. have toC. should haveD. must have37. —Is there a fog in the evening?—There _______ be. I’ll make a phone call to find it out.A. mustB. wouldC. willD. might38. — _______ he help you with the problem?—Well, though it is very hard, __________ I’ll do what I can to work it out.A. Shall; butB. Can; andC. Must; howeverD. Will; still39. —How is that, Joan?—Yeah, it’s from the boss. She _________ first, whether she likes it.A. shall goB. ought to have goneC. should goD. must have gone40. —Would you like to watch the video, in which you can see foreigners making jiaoji during the Spring Festival?—Sure, it ______ be very interesting.A. shouldB. mayC. canD. will41. —The door was open.—It _________ open. I had locked it myself and the key was in my pocket.A. can not beB. must not beC. can not have beenD. must not have been42. —Where ________ Margaret have put the empty bottles?—She ________ them away. They must be somewhere.A. can; can’t have thrownB. must; needn’tC. must; must have thrownD. cant; must throw43. —Mum, I climbed to get the Teddy Bear from the top of the shelf.—My goodness! You _______ yourself. You ______ do that next time.A. mu st have hurt; mustn’tB. should have hurt; can’tC. may have hurt; mustn’tD. might have hurt; won’t be able to44. —Shall I go and buy more food and drinks for the party?—No, we have prepared a fridge of those. That _______ be quite enough.A. canB. mayC. mightD. ought to45. —Hurry up, Michael! It’s ten to three.—Goodness me! The class_______. I’ll be late again.A. must beginB. may beginC. should have begunD. must have begun46. When he was there, he ____ go to that coffee shop at the street comer after work every day.A. wouldB. shouldC. had betterD. might47. —I hear you have written a novel.—Yes, the book ________ be out in a month or so.A. canB. dareC. shouldD. need48. —How could I thank you enough?—Don’t mention it. Any other man _________ that.A. must doB. could doC. would have doneD. should have done49. —Why aren’t they here yet?—They ________ the bus.A. can have missedB. must be late forC. may have missedD. might be late for50. Mike _______ come to see me I don’t want to go out in case he comes.A. canB. mustC. mayD. will51. The thief ________ in from the kitchen window as the door was closed.A. may climbB. must have climbedC. could have climbedD. should have climbed52. —You didn’t invite Bill?— __________ him too?A. Must I inviteB. Must I have invitedC. Should I inviteD. Should I have invited53. —Why didn’t you attend the lecture yesterday?—I didn’t think that we _______ on Sundays.A. shouldB. ought to haveC. shouldn’t haveD. will have to54. It’s said that there are plenty of hotels in that town. There ______ be any difficulty for you to find somewhere to stay.A. wouldn’tB. mustn’tC. shouldn’tD. needn’t55. —Would you be here to attend the English party this evening?—Yes, we _________.A. shallB. wouldC. willD. must56. On Sundays when I was a child, Father and I _______ get up early and go fishing.A. couldB. wouldC. mightD. should57. —You’d better keep quiet in class.—Sometimes I ________ Yesterday, I was very quiet during my English class.A. wouldB. doC. didD. have58. I lived with my sister this summer and didn’t have to pay rent. So I ______ save most of my salary.A. couldB. wouldC. was able toD. should59. —Look, John’s fallen asleep.— Oh, he _______ too late last night.A. might sit upB. should have sat upC. could sit upD. must have sat up60. —I posted the letter a week ago.—Then they __________ the letter by now. It usually takes four days.A. can have receivedB. must receiveC. should receiveD. ought to have received61. He used to teach in that university and I _________ ride past it on my way to work.A. wouldB. couldC. shouldD. might62. —So you have to leave now.—Yes, I __________.—How nice it would be if you could stay a bit longer!A. have toB. ought toC. doD. have63. He _______ Shanghai, for I saw him talking with the headmaster a moment ago.A. must have gone toB. can’t have gone toC. mustn’t have been toD. can’t have been to64. From what I learn about their hotel, the service and the weather, they _____ their holiday very much.A. wouldn’t have enjoyedB. shouldn’t have enjoyedC. needn’t have enjoyedD. can’t have enjoyed65. It is not like Jack to be unfriendly, so he _________ you when you called.A. can’t have seenB. should not have seenC. must not have seenD. need not have seen66. —Many people in England love to give advice on weather reporting.—Yes, but I think the weather office’s computers _________ be more accurate.A. canB. mustC. ought toD. might67. —The farmers lived near the high way.—________ very noisy.A. It must have beenB. They must beC. That might beD. There must be68. She is too slow. She ________ pass the test, but she __________ too little.A. would; knewB. will; knowsC. would; knowsD. will; knew69. —Mary didn’t turn up last time, did she?—No. She_________. We had changed our plan.A. shouldn’t have comeB. needn’t have to comeC. didn’t need to comeD. needn’t have come70. —They haven’t finished the work up to now.—Well, they________.A. shouldB. should haveC. wouldD. must have71. —Shall I go and buy more fruit for the party?—No, I have already bought 3 baskets. That _________ be enough.A. canB. ought toC. mayD. might72. —Why hasn’t the speaker turned up?—He _________ the flight. I’ll find it out at once.A. must have missedB. might have missedC. would have missedD. could have missed73. I _______ pay Tom a visit, but I am not sure whether I will have time this Sunday.A. shouldB. mightC. wouldD. could74. —Who is the girl standing over there?— Well, if you _____ know, her name is Mabel.A. mayB. canC. mustD. shall75. It has been announced that candidates (考生)________ remain in their seats until all the papers have been collected.A. canB. willC. mayD. shall【答案解析】1．D。

英语情态动词含答案解析一、情态动词单项选择题1．—What are you going to do tomorrow?—I’m not sure. I ________ make a trip to Hangzhou with my girl friend.A．may B．can C．will D．must【答案】A【解析】【详解】句意：——你明天打算做什么？——我不确定。

我可能和我的女朋友去杭州旅行。

考查情态动词。

may可能；can能；will将要；must必须。

由“I’m not sure.”我不确定，可知这里表示“可能去旅行”，用may表示“可能性”的推测。

故选A。

2．—I cannot find my pen. ________ I borrow yours?—Sure.A．Can B．Must C．Should D．Would【答案】A【解析】【详解】句意：——我找不到我的钢笔。

我可以借你的吗？——当然。

考查情态动词辨析。

can可以；must必须；should应该；would将。

根据“I borrow yours”可知，此处应用can表请求允许，希望能借对方的钢笔用一下，故选A。

3．—We’ve got everything ready for the picnic.—Do you mean I ________ bring anything with me?A．can’t B．needn’t C．couldn’t D．mustn’t【答案】B【解析】【详解】句意：——我们已经为野餐做好了一切准备。

——你的意思是我不需要带任何东西吗？考查情态动词。

can’t不能；needn’t不需要；couldn’t不能；mustn’t不允许。

根据上句说已经准备好了一切，可推测说话者的意思是不需要带任何东西了。

故选B。

4．Our teacher often suggests we ________ on both sides of the paper.A．write B．writes C．writing D．to write【答案】A【解析】【详解】句意：我们老师经常建议我们在纸的两面写字。

情态动词讲解及练习(含答案)一、单项选择情态动词1．—You rang me up at about 10:00 last night, didn't you?—No, I didn't phone you. It someone else.A．must have been B．could be C．must be D．could have been 【答案】A【解析】【详解】考查情态动词+have done。

句意：“昨晚10点左右你给我打了电话，是吗？”“不，我没给你打电话。

一定是别人干的。

” must have done 是对过去发生的动作最有把握的猜测，意思是“一定”，结合语境可知，我没有打电话给你，因此猜测一定有别人给你打了电话。

故选A 项。

2．—I don’t really like Janes. Why did you invite him?—Don’t worry. He come. He said he was’t certain what his plans were.A．must not B．need not C．would not D．might not【答案】D【解析】考察情态动词，题干中的he wasn’t certain说明他可能不来，可能来，因此使用不完全否定，might not。

3．Mr. Baker, some students want to see you. ______ they wait here or outside?A．May B．Should C．Shall D．Will【答案】C【解析】【详解】考查Shall的用法。

句意：贝克先生，有些学生想见你。

他们是在这里等还是在外面等?Shall用于第一、第三人称疑问句中，表示说话人征求对方的意见或向对方请示。

故选C。

【点睛】Shall的用法Shall作为助动词，一般用于第一人称Ⅰ和We，表示一个将来的动作，构成将来时态。

英语情态动词含答案解析一、情态动词单项选择题1．It’s raining all day, so I _________ stay at home.A．must B．have to C．must to D．can【答案】B【解析】【分析】【详解】句意：整天都在下雨，所以我不得不待在家。

考查情态动词。

must必须（主观上）；have to不得不（客观上）；must to错误结构；can 能。

根据“It’s raining all day”可知这是客观条件下“不得不待在家”。

故选B。

2．We teenagers ________ have dreams. With dreams and hard work, anything amazing________ be created.A．may; can B．might; should C．should; can D．must; has to【答案】C【解析】【分析】【详解】句意：我们青少年应该有梦想。

有梦想和努力，任何惊人的事都能被创造。

考查情态动词。

may可能；can能够；should应该；might可能；has to不得不；must必须。

第一个空表示“应该”，用should；第二个空表示能力，用can。

故选C。

3．—Have you heard about the temperature of the earth will rise to 45℃ in 2020?—Don’t worry! The news ________ be true.A．must not B．needn’t C．may not D．will not【答案】C【解析】【详解】句意：——你听说过2020年地球温度将上升到45摄氏度吗？——别担心！这消息可能不是真的。

考查情态动词。

must not一定不要，表禁止；needn’t不需要；may not可能不；will not将不会。

英语情态动词含答案解析一、情态动词单项选择题1．It’s raining all day, so I _________ stay at home.A．must B．have to C．must to D．can【答案】B【解析】【分析】【详解】句意：整天都在下雨，所以我不得不待在家。

考查情态动词。

must必须（主观上）；have to不得不（客观上）；must to错误结构；can 能。

根据“It’s raining all day”可知这是客观条件下“不得不待在家”。

故选B。

2．We teenagers ________ have dreams. With dreams and hard work, anything amazing________ be created.A．may; can B．might; should C．should; can D．must; has to【答案】C【解析】【分析】【详解】句意：我们青少年应该有梦想。

有梦想和努力，任何惊人的事都能被创造。

考查情态动词。

may可能；can能够；should应该；might可能；has to不得不；must必须。

第一个空表示“应该”，用should；第二个空表示能力，用can。

故选C。

3．— I saw Tom in the playground just now.— It ________ him. He has gone to Beijing on business.A．may not be B．can’t be C．must be D．shouldn’t be【答案】B【解析】【详解】句意：——我刚才看见汤姆在操场上。

——不可能是他。

他去北京出差了。

考查情态动词。

may not be可能不是；can’t be不可能是；must be一定是；shouldn’t be不应该是。

根据后文“He has gone to Beijing on business”（他去北京出差了）可知，操场上的人不可能是汤姆。

【英语】高考英语情态动词题20套(带答案)及解析一、单项选择情态动词1．—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．needC．will D．can【答案】A【解析】【详解】考察情态动词用法。

句意：——我能用支票付账吗?——对不起,先生。

但这是我们酒店的管理规定,支付要用现金。

shall可以表示命令，警告，强制，或者指规则和法律要求做的事情。

本题正是考察了shall表示按照规则和法律要求做的事情。

故A正确。

2．Ann said whenever her father was unhappy he ________ go out and buy something, usually something large and useless.A．should B．couldC．would D．might【答案】C【解析】【详解】考查情态动词。

句意：安说无论什么时候她父亲不高兴的时候，他就会出去买些东西，通常是一些又大又没用的东西。

A. should应该；B. could能；C. would总是，愿意；D. might 可能。

此处表示过去经常习惯做某事，故选C。

3．The accident which left 15 people on board dead ________ if both the angry female passenger and the bus driver had kept calm.A．should have avoided B．should be avoidedC．could have avoided D．could have been avoided【答案】D【解析】【详解】考查“情态动词+完成式”。

英语情态动词含答案解析一、情态动词单项选择题1．If you don’t feel well, you may just ________.A．stopped reading B．stop reading C．stopped to read D．stop to read【答案】D【解析】【详解】句意：如果你感觉不舒服，你可以停下来去读会书。

考查stop的用法，观察句子，情态动词后应该接动词原形，排除选项A/C。

stop to dosth“停下来去做某事”，stop doing sth“停止正在做的事情”，根据“If you don’t feel well”，可知感觉不舒服应该是停下正在做的去阅读，故选D。

2．—________ I come in, sir?—Yes, please.A．Need B．May C．Might D．Must【答案】B【解析】【详解】句意：——先生，我可以进来吗？——可以，请进。

考查情态动词辨析。

Need需要；May可以；Might也许；Must必须。

根据答句“Yes, please.”可知，对方同意我进来，所以此处使用may表示请求允许。

故选B。

3．—May I swim here?—No, you ________. It’s dangerous here. I suggest ________ to the indoor swimming pool. A．can’t, go B．mustn’t, to go C．mustn’t, going【答案】C【解析】【分析】【详解】句意：——我可以在这里游泳吗？——不，你不能。

这里很危险。

我建议去室内游泳池。

考查情态动词和固定搭配。

can’t不可以；mustn’t禁止。

根据“It’s dangerous here.”可知，不可以在这里游泳，因此can’t/mustn’t都符合句意；再者根据固定搭配“suggest doing sth.”可知，going符合句意，结合选项，C符合句意。

情态动词专项练习(含答案和解析)1.Our XXX.2.To my joy。

we don't need to go to the bank。

Mary has lent us some money.3.- Do we have to finish this today?Yes。

you must。

Today is the last day.4.Sorry。

smoking is not allowed here。

If you do。

you will be fined according to the rules.5.- Is it really necessary for me to wear a mask when shopping?I'm afraid you must in public。

It is not only to XXX.6.Hurry up。

or we will miss the beginning of the film.7.- How do you like my new dress?Well。

if I must say。

it is not suitable for you.8.- Do the children have to leave at six tomorrow morning?16."Please don't make so much noise。

I can't hear the speaker very well."17."We've discussed every detail of this plan and have got everything ready。

But still something may go wrong。

We still have to be very careful."18."XXX。

英语情态动词练习题及答案及解析一、选择题1．It’s amazing that the pen ________turn voice into text with few mistakes.A．can B．must C．may D．need 2．Don’t cross the road until the traffic lights turn green. A car_______hit you.A．need B．may C．should D．must3．We shouldn’t throw a ny objects from the building. Even a small object ________ cause serious injuries or death, when dropped from a great height.A．must B．should C．may D．need4．Our Chemistry teacher always tells us we ________ be too hardworking before the exams. A．mustn’t B．shouldn’t C．needn’t D．can’t 5．—Dad, must we wait until the light becomes green?—Yes, I am afraid we ________. That’s the traffic rule.A．may B．can C．have to D．need6．—________ you give me a hand? I can’t put up the poster by myself.—No problem.A．Could B．Should C．Need D．Must7．— Is Lang Lang going to perform at Art Center this Friday?— Yes. It ________ be him. He has been here for three days.A．might B．must C．mustn’t D．may8．You ________ write the report again because spelling mistakes are not allowed at all. A．must B．can C．may D．could 9．—There is a knock at the door.—It ________ be my mom. She always comes back home at this time.A．may B．may not C．must D．can’t10．I ________ hear you clearly. Would you please repeat it?A．mustn’t B．can’t C．needn’t D．sh ouldn’t 11．—Why didn’t you tell it to me earlier?— Why ________ I? I want to have my own secret.A．can B．may C．should D．shall12．If you buy your mum an iRobot floor cleaner, she ________ sweep the floor every day. A．can’t B．mustn’t C．needn’t D．shouldn’t 13．Please don't make so much noise. I ________ hear the speaker very well.A．needn't B．can't C．shouldn't D．mustn't 14．The boy is very brave．I ________ he ________ the tall tree．A．dare say; dares to climbB．dare to say; dare climbingC．dare saying; dares climbD．dare to say; dares climbed15．—The high school entrance examination is coming!—Yes, our teacher tells us we _______ be too careful while taking exams．A．mustn't B．shouldn't C．needn't D．can't16．We’ve discussed every detail of this plan and have got everything ready. But still something __________ go wrong. We still have to be very careful.A．must B．should C．would D．may 17．—Amy, I hear you've got many foreign coins．_______ I have a look?—Of course, I'll fetch them for you．A．May B．MustC．Should D．Need18．When I was young, my father ___________ take me to climb the hill which was not far from our house.A．may B．must C．would D．should 19．—Shall we go camping this summer holiday?—Nothing________be better.A．should B．could C．must D．may20．You'd better __________ hard from now on, __________ you will fail the exam. A．work; and B．working; or C．working; and D．work; or 21．— The sandstorm in Beijing is so serious this year.— Yes, I wonder when we ________ worry about the air we breathe.A．can’t B．mustn’t C．ne edn’t D．shouldn’t 22．You _________ smoke here! Look at the sign. It says "No smoking".A．needn't B．mustn't C．can D．may23．We've discussed every detail of this plan and have got everything ready. But still something ________ go wrong. We still have to be very careful.A．must B．should C．would D．may24．Never throw objects from the building. Even a small object ________ cause serious injuries, or death, when dropped from a great height.A．must B．should C．may D．need25．I think all the students love the weekends because, to them, they ________ get up early on Saturdays or Sundays.A．mustn’t B．don’t need C．needn’t D．can’t26．You ________ pay too much attention to protecting yourself if you plan to go abroad. A．mustn’t B．can’t C．shouldn’t D．needn’t 27．—Seventy dollars for such a dress! You ________ be joking!—I’m serious. It’s made of silk from Hangzhou.A．must B．need C．will D．can28．Look at the floor, Tom! ________ you watch TV while having a meal?A．Should B．Could C．Must D．May29．—Be careful! Fire ________ be dangerous sometimes.—OK. I will put it out right away.A．mustn’t B．should C．can D．needn’t 30．Mr. Black ________ be at home now. He went abroad on vacation last Friday.A．can’t B．mustn’t C．needn’t D．shouldn’t31．A hard-working man ________ become a great scientist, but a great scientist ________ be a hard-working man.A．can’t; can B．may not; must C．can’t; must D．may not; can 32．—How beautiful the winter jasmines (迎春花) are!—Yes. These golden-yellow flowers ________ be widely seen in my city in March.A．must B．can C．would D．should 33．—Mum, I bought some strawberries on my way home.—Oh, you’re so sweet. But the strawberries ________ be put into the fridge for freshness. A．must B．can C．may D．need34．— What do you think of the show yesterday?— Some of them were really good but others ________ be better.A．will B．must C．need D．can35．—________ I see your ID card? We have to check your personal information.—Sure. Here you are.A．May B．Need C．Should D．Must36．—I don’t care what people think.—Well, you _______ . Some opinions are worth weighing.A．should B．might C．could D．would 37．—Could I join you in the programme?—Sorry, you ________. You are too young.A．shouldn’t B．mustn’t C．can’t D．needn’t38．To avoid ________, we’d better ________ the parents’ meeting online.A．gather; hold B．gathering; hold C．gather; holding D．to gather; to hold 39．Hurry up, or we ________ miss the beginning of the film.A．should B．must C．may D．have to 40．Cars ________ give way to walkers on some roads in Binhai, or the drivers will be fined. A．may B．will C．can D．must【参考答案】一、选择题1．A解析：A【详解】句意：神奇的是，这支笔能把声音转换成文字，而且很少出错。

英语情态动词含答案解析一、情态动词单项选择题1．Tom, you ________ cross the road now. The traffic light is still red.A．couldn’t B．wouldn’t C．mustn’t D．needn’t【答案】C【解析】【详解】句意：汤姆，你现在不能过马路。

交通灯仍然是红色的。

考查情态动词。

couldn’t不能够；wouldn’t不会；mustn’t禁止，一定不；needn’t不必。

根据“The traffic light is still red.”可知红灯亮时禁止过马路。

故选C。

2．—Must I return the book this week?—No, you ________. You can ________ it for 20 days.A．mustn’t; keep B．needn’t; borrow C．don’t have to; keep D．mustn’t; lend【答案】C【解析】【详解】句意：——我必须在本周还书吗？——不，你不必这样做。

您可以借20天。

考查情态动词的一般疑问句。

在以must开头的一般疑问句，肯定回答用must；否定回答用need’t或者don’t have to，故排除A和D。

第二空根据“it for 20 days.”可知该空是延续性动词，borrow是短暂性动词，因此排除B。

故选C。

3．In China, all passengers ________ wear protective masks while using public transport. A．should B．need C．can D．must【答案】D【解析】【分析】【详解】句意：在中国，所有乘客在乘坐公共交通工具时必须佩戴防护口罩。

考查情态动词。

should应该；need需要；can可以；must必须。

根据“wear protective masks”和生活常识可知，是必须要佩戴防护口罩，因此must符合句意。

高考英语情态动词练习题50题(带答案)1. You ______ be tired after working for eight hours without a break.A. canB. mayC. mustD. should答案解析：C。

must表示肯定的推测，根据题意，连续工作八小时不休息肯定会累，所以这里用must。

A选项can表示能力或可能性，通常用于否定句和疑问句中表示推测，这里不符合语境。

B选项may表示可能，可能性较弱，没有must肯定。

D选项should表示应该，与题意推测累不累不相关。

2. - ______ I use your pen? - Sure. Here you are.A. MustB. MayC. NeedD. Should答案解析：B。

May用于征求对方许可，在这个句子中是询问是否可以使用对方的笔，符合语境。

A选项Must表示必须，C选项Need 表示需要，D选项Should表示应该，都不符合这个征求许可的语境。

3. He ______ speak English when he was five years old.A. couldB. canC. mayD. must答案解析：A。

could是can的过去式，表示过去的能力，句中提到他五岁的时候，是过去的时间，所以用could表示过去能说英语。

B选项can表示现在的能力。

C选项may表示可能，D选项must表示肯定的推测，都不符合这里表示过去能力的语境。

4. - Where is Tom? - He ______ be in the library. I'm not sure.A. canB. mayC. mustD. should答案解析：B。

may表示可能性，根据I'm not sure可知说话者不确定，只是一种可能，所以用may。

A选项can用于否定句和疑问句中表示推测，这里是肯定句。

英语情态动词含答案解析一、情态动词单项选择题1．— ________ I have a word with you, Mr. Green? It won’t take long.— Okay.A．May B．Should C．Need D．Must【答案】A【解析】【详解】句意：——格林先生，我能和你说句话吗？不会花很长时间的。

——好的。

考查情态动词辨析。

May可以；Should应该；Need需要；Must必须。

根据“It won’t take long.”可知，此处是请求允许，May I+动词原形+其他？故选A。

2．—________ I come in, sir?—Yes, please.A．Need B．May C．Might D．Must【答案】B【解析】【详解】句意：——先生，我可以进来吗？——可以，请进。

考查情态动词辨析。

Need需要；May可以；Might也许；Must必须。

根据答句“Yes, please.”可知，对方同意我进来，所以此处使用may表示请求允许。

故选B。

3．—I have taken someone else’s T-shirt by mistake. Is it Jane’s?—It ________ be hers. She seldom wears red.A．shouldn’t B．can’t C．mustn’t D．needn’t【答案】B【解析】【分析】【详解】句意：——我错拿了别人的T恤，是Jane 的吗？——不可能是她的。

她很少穿红色的。

考查情态动词辨析。

shouldn’t不应当；can’t不可能，表示否定的推测；mustn’t禁止；needn’t不需要。

根据后句“She seldom wears red.”可推知，应是不可能是她的，表示否定的推测。

故选B。

4．It rained heavily yesterday, so we _________ stay at home.A．have to B．had to C．must【答案】B【解析】句意：昨天雨下得很大，我们不得不待在家里。

人教版英语英语情态动词练习及答案详解含答案百度文库一、初中英语情态动词1．—Mum, I play football this afternoon?—Sure, but you finish your homework first.A. may; couldB. can; mustC. can; mustn'tD. may; can't【答案】 B【解析】【分析】句意：－妈妈，今天下午我能踢足球吗？－当然，但是你必须先完成作业。

前句提请求，can,may都可以；后句，由sure可知后句用肯定回答。

Could表示一种委婉的语气；must表示主观愿望：必须。

妈妈要求孩子“必须”先完成作业。

故选B。

【点评】考查情态动词辨析，may表示请求时候的回答用语。

2．—How amazing this robot is!—Wow, it has video cameras in its eyes, so it “see” and interact with people.A. mayB. canC. mustD. should【答案】 B【解析】【分析】句意：—这个机器人多么惊人啊！—哇，在它的眼睛里有摄像机，因此它能看见和人打交道。

A. may 可以，可能；表示许可，B. can 能；表示能力，C. must 必须；D. should应该；根据it has video cameras in its eyes,可知是有能力看见，故选B。

【点评】考查情态动词辨析。

熟记情态动词的含义和用法。

3．You _____ walk too close to the edge of the path because you might fall and hurt yourself.A. mayB. mightC. needn'tD. musn't【答案】 D【解析】【分析】句意：你不能走得太靠近路的边缘，因为你可能跌倒伤害自己。