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高中英语情态动词形式练习题40题(带答案)1. In the school library, you ______ keep quiet so as not to disturb others.A. canB. mayC. mustD. might答案：C解析：must表示必须，在图书馆里必须保持安静以免打扰他人。
can表示能够，有能力做某事，这里不是强调能力，所以A选项错误。
may表示可能或许，也可表示许可，但语气不如must强烈，这里需要表达一种规定，所以B选项不合适。
might是may的过去式，同样表示可能性或更委婉的许可，不符合语境，D选项错误。
2. For the school sports meeting, students who are good at running ______ participate.A. canB. shouldC. mustD. would答案：A解析：can表示有能力做某事，这里是说擅长跑步的学生能够参加运动会。
should表示应该，侧重于责任或义务，这里没有这种意思，B选项错误。
must表示必须，参加运动会不是强制的，C选项不符合。
would是will的过去式，通常表示过去的意愿或者用于虚拟语气等，D选项不符合语境。
3. You ______ ask the teacher for help if you don't understand the homework.A. canB. mayC. needD. must答案：A解析：can表示可以，在这里是说如果不理解作业可以向老师寻求帮助。
may也有可以的意思，但can的语气更直接，这里用can更合适。
need作情态动词时主要用于否定句和疑问句，这里是肯定句，C选项错误。
must表示必须，这里不是必须要向老师求助，D选项错误。
4. When we have a school trip, we ______ bring our own lunch.A. canB. mayC. shouldD. could答案：B解析：may表示许可，在这里是说我们在学校旅行时可以带自己的午餐。
高中英语情态动词形式练习题40题带答案解析1.She ______ play the piano beautifully when she was only seven.A.canB.couldC.mayD.might答案解析：B。
“could”表示过去的能力，句中“when she was only seven”表明是过去的时间，所以用“could”。
“can”表示现在的能力；“may”和“might”表示可能性较小的推测，不符合题意。
2.You ______ borrow my book if you promise to return it on time.A.canB.mayC.mustD.should答案解析：A。
“can”在这里表示许可，“如果你承诺按时归还，你可以借我的书”。
“may”也有许可的意思，但语气比“can”弱；“must”表示必须；“should”表示应该，都不符合许可的意思。
3.He said he ______ speak three languages.A.canB.couldC.mayD.might答案解析：B。
“could”表示过去的能力，“said”表明是过去时态。
“can”是现在的能力；“may”和“might”表示可能性较小的推测。
4.Mom said I ______ go to the party if I finish my homework.A.canB.mayC.mustD.should答案解析：A。
“can”表示许可，“如果我完成作业，妈妈说我可以去参加聚会”。
“may”语气较弱；“must”是必须；“should”是应该。
5.She ______ swim very well last summer.A.canB.couldC.mayD.might答案解析：B。
“last summer”是过去的时间，“could”表示过去的能力。
“can”是现在的能力；“may”和“might”表示可能性较小的推测。
高二英语情态动词特殊用法练习题20题含答案解析1.He must be at home.He can't be at school.He might be in the park.He couldn't be in the library.答案解析：must 表示肯定的推测，可能性很大；can't 表示否定的推测，可能性很大；might 表示可能性较小的推测；couldn't 表示可能性很小的否定推测。
这里说他一定在家，所以不可能在学校，可能在公园，不可能在图书馆。
根据语境，答案是He must be at home.2.She may come to the party.She might not come to the party.She could come to the party.She must not come to the party.答案解析：may 和could 都表示可能性较小的推测；might not 表示可能性较小的否定推测；must not 表示禁止，不是推测。
根据语境，答案是She may come to the party.3.The book must be on the desk.The book can't be on the chair.The book might be in the drawer.The book couldn't be on the floor.答案解析：must 表示肯定的推测，可能性很大；can't 表示否定的推测，可能性很大；might 表示可能性较小的推测；couldn't 表示可能性很小的否定推测。
这里说书一定在桌子上，所以不可能在椅子上，可能在抽屉里，不可能在地上。
根据语境，答案是The book must be on the desk.4.He may be a teacher.He might not be a teacher.He could be a student.He must not be a doctor.答案解析：may 和could 都表示可能性较小的推测；might not 表示可能性较小的否定推测；must not 表示禁止，不是推测。
高中英语情态动词形式练习题40题(答案解析)1.She ____ know the answer.She always gets good grades.A.mustB.can'tC.mayD.might答案解析：A。
“She always gets good grades.”表明她总是取得好成绩，所以“一定”知道答案，must 符合语境。
can't 表示不可能；may 和might 表示可能，语气较弱，不符合此处语境。
2.____ I borrow your pen?A.MustB.CouldC.WouldD.Shall答案解析：B。
“borrow your pen”是请求，could 用于委婉地请求许可，符合语境。
must 表示必须；would 表示意愿或过去习惯；shall 用于第一人称征求对方意见，均不符合此处借笔的请求语境。
3.You ____ be careful when crossing the road.A.mustB.canC.mayD.could答案解析：A。
过马路时“一定”要小心，must 表示必须，符合语境。
can 表示能够；may 表示可能；could 表示能够（ 语气更委婉），均不如must 强烈。
4.He ____ come to the party if he finishes his homework.A.mayB.mustC.can'tD.would答案解析：A。
“if he finishes his homework”表示一种可能性，may 表示可能，符合语境。
must 表示必须；can't 表示不可能；would 表示意愿或过去习惯，均不符合。
5.They ____ have gone on vacation.They haven't been at school for days.A.mustB.mayC.can'tD.could答案解析：A。
高考英语情态动词知识点经典测试题附解析(2)一、选择题1．Although you ______ find bargains in London, it’s not generally a cheap place to shop. A．should B．need C．must D．can2．---We want someone to design the new art museum for me.---_____ the young fellow have a try?A．Shall B．May C．Will D．Need 3．—Where is my dictionary?I remember I put it here yesterday.—You___it in the wrong place.A．must put B．should have putC．might put D．might have put4．Home is not just the place where you grow up. It ________ be a warm smile, a sincere hug, and a shoulder for you to cry on.A．must B．can C．will D．should 5．According to the regulations, anyone who has the intention to be a teacher _______ pass a series of demanding tests.A．can B．would C．might D．shall6．You ________ be Carol. You haven’t chang ed a bit after all these years.A．must B．can C．will D．shall7．--Is Jack still in hospital?--Yes. He _________ the bad food.A．wouldn’t eat B．shouldn’t eatC．wouldn’t have eaten D．shouldn’t have eaten8．I didn’t hear the phone. I ___ asleep.A．must be B．must have beenC．should be D．should have been9．—I heard they went skiing in the mountains last winter.—It true because there was little snow there.A．may be not B．won’t be C．couldn’t be D．mustn’t be 10．—Isn’t that Ann’s husband over there?— No, it ________ be him —I’m sure he doesn’t wear glasses.A．must not B．can’t C．won’t D．may not 11．Hurry up! Tom _______ for us at the gate.A．must wait B．must be waitingC．can be waiting D．must have waited12．Tourists who enter the quiet area _____ obey the rule to reduce any potential effect on the environment.A．can B．may C．shall D．dare13．—Life ____ be very hard for people living in the north of Canada as it is very cold there in winter.—Yes, the weather there _____ be as low as 60℃ below zero.A．must; can B．shall; must C．will; should D．has to; can 14．It was so noisy that we hear ourselves speak.A．couldn’t B．shouldn’tC．mustn’t D．needn’t15．There are still 30 minutes ____, so we ____ hurry with lunch.A．going…needn’t B．to leave…don’t need C．leaving…needn’t to D．to go…needn’t16．Mary is a bit shy and ____ a speech in public, which makes her lose the precious chance to do the voluntary job.A．dares not make B．doesn’t dare makeC．dare not to make D．dares not to make17．You ______ have been out last night, for all the lights in your room were not on. A．need B．must C．may D．should18．He didn’t follow the doctor’s suggestions as required, but he _________.A．ought B．ought to C．ought to be D．ought to have 19．One of our rules is that every student _______ wear school uniform while at school. A．might B．couldC．shall D．will20．He ______ writing the paper now. He hadn’t written a single word when I left him ten minutes ago.A．shouldn’t be B．can’t have finishedC．can’t be D．mustn’t have finished21．Helen________ go on the trip with us, but she isn’t quite sure yet.A．shall B．may C．must D．can22．—Can I inform my best friends of the result?—No, I want to keep it a secret . You ____tell anyone.A．won't B．don't have to C．mustn't D．don't need to 23．—Jane, why don’t you take a bite of the chocolate?—Well, I am on diet, if you __________know.A．must B．shall C．would D．could24．—Is there a holiday recently?—There_____ be. It has been informed that we will continue to study for another three weeks. A．won’t B．mustn’t C．may not D．ca n’t25．You ___________ a better mark, but you didn’t work hard.A．could have had B．would have had C．must have had D．must have【参考答案】***试卷处理标记，请不要删除一、选择题1．D解析：D【解析】【分析】【详解】考查情态动词辨析。
高中英语情态动词形式练习题40题含答案解析1.She is very quiet. She ____ be shy.A.mustB.canC.mightD.should答案解析：C。
must 表示肯定的推测，语气非常强；can 表示可能性，但在这个语境中不太符合；might 表示可能性较小，符合“她很安静”这个描述推测她可能害羞；should 表示应该，不符合推测的意思。
2.The book is missing. Someone ____ have taken it.A.mustB.canC.mightD.should答案解析：A。
书不见了，一定是有人拿走了，must 表示肯定的推测，语气很强。
can 和might 语气较弱；should 表示应该，不符合语境。
3.He is always late. He ____ be very disorganized.A.mustB.canC.might答案解析：A。
他总是迟到，肯定是非常没有条理，must 表示肯定的推测，语气强。
can 和might 可能性较小；should 表示应该，不合适。
4.The lights are on. Someone ____ be at home.A.mustB.canC.mightD.should答案解析：A。
灯亮着，肯定有人在家，must 表示肯定的推测，语气强。
can 和might 可能性较小；should 表示应该，不符合语境。
5.The test was very difficult. She ____ have passed it.A.mustB.canC.mightD.should答案解析：C。
考试很难，她可能通过了，might 表示可能性较小。
must 语气太强；can 表示可能性，但不太符合这个语境；should 表示应该，不符合推测的意思。
6.He looks very tired. He ____ have worked hard.A.mustB.canD.should答案解析：A。
高二英语情态动词用法练习题30题(答案解析)1. In the library, you _____ talk loudly.A.mustn'tB.needn'tC.may notD.can't答案解析：A。
“mustn't”表示禁止，在图书馆禁止大声说话。
“needn't”表示不必；“may not”表示可能不；“can't”表示不能，在此场景下“mustn't”最符合图书馆的规定。
2. She _____ play the piano very well when she was young.A.canB.couldC.mayD.might答案解析：B。
表示过去的能力用“could”。
“can”表示现在的能力；“may”和“might”表示可能。
3. He _____ be at home. I just saw him go out.A.mustn'tB.can'tC.needn'tD.shouldn't答案解析：B。
“can't”表示不可能，因为刚看到他出去了所以不可能在家。
“mustn't”表示禁止；“needn't”表示不必；“shouldn't”表示不应该。
4. You _____ take your umbrella. It might rain later.A.mustB.shouldC.needD.may答案解析：B。
“should”表示应该，因为可能会下雨所以应该带伞。
“must”表示必须，语气太强；“need”需要；“may”可能。
5. They _____ come to the party if they have time.A.mustB.shouldC.canD.may答案解析：D。
“may”表示可能，如果有时间他们可能来参加聚会。
“must”表示必须；“should”表示应该；“can”表示能够。
高二英语情态动词用法练习题40题(带答案)1. It's cloudy outside. It ____ rain later.A. canB. mayC. mustD. should答案解析：B。
“can”表示推测时，常用于否定句和疑问句中，表示理论上的可能性；“may”表示推测时，意为“也许，可能”，可能性不是很大，用于肯定句中，这里说外面多云，之后也许会下雨，符合语境；“must”表示推测时，意为“一定”，表示非常肯定的推测，但根据多云的天气推测下雨不是非常肯定的；“should”表示“应该”，不表示推测。
2. The light in his room is on. He ____ be at home.A. canB. couldC. mustD. might答案解析：C。
“must”用于肯定句中表示推测时，意思是“一定”，房间灯亮着，所以非常肯定他在家；“can”表示推测常用于否定句和疑问句；“could”是“can”的过去式，也可用于现在，表比“can”更弱的可能性，在这里不如“must”肯定；“might”表示“可能”，可能性较弱，不符合灯亮着这个很有可能在家的情况。
3. Look at the boy's face. He ____ be ill.A. canB. mayC. mustD. should答案解析：C。
“must”在此处表示根据男孩的脸色作出非常肯定的推测，他一定是病了；“can”一般不用于这种肯定句表示推测；“may”表示可能性较弱的推测，这里根据脸色判断比较肯定；“should”不表示推测。
4. I don't know where Tom is. He ____ be in the library.A. canB. mayC. mustD. should答案解析：B。
“may”表示不确定的推测，“可能”，因为不知道汤姆在哪，所以他可能在图书馆；“can”用于否定句和疑问句推测；“must”表示很肯定的推测，这里并不确定；“should”不表示推测。
高中情态动词专项练习200题Ⅰ．情态动词的特征：①本身有词义；②不能独立作谓语；③后接动词原形一起构成谓语；④不随人称和数的变化。
Ⅱ．情态动词各自的基本意义及用法：1．can 与could用法2．may与might用法3．must与have to用法4．need与dare用法5．should与ought to用法6．shall与will用法7．used to与would用法Ⅲ．情态动词表推测：1．大多数情态动词（除表‘能力、许可、意志’外），都可以表示推测，其程度有差异。
按可能性程度的高低排列为：must﹥will ﹥would ﹥ought to ﹥should完全肯定完全可能很可能﹥can ﹥could﹥may ﹥might可能有可能2．区分情态动词的否定含义：may not或许不、可能不might not可能不can’t 不可能mustn’t不许、禁止shouldn’t不应该needn’t 不必3．情态动词表推测具体运用：情态动词可以对现在、进行、过去推测。
4．表示反劝的特殊的表推测形式5．注意：Ⅳ．情态动词表推测的反意疑问句1．情态动词表推测的反意疑问句，简单来说，就是以情态动词后的时态为淮，如句子里有明确的时间状语，则以其为准。
2．以must 为例：e.g.: 1．You must be hungry now, aren’t you?2．He must be watching TV , isn’t he ?3．Tom must have lived her for a long time, hasn’t he ?4．She must have arrived yesterday, didn’t she?注：如选择题中（以She must have arrived yesterday, didn’t she？为例）既有didn’t she又有hasn’t she 则以didn’t she？为最佳答案。
高中英语情态动词形式练习题40题含答案解析1. I'm not sure if I can finish this assignment on time. It's very difficult.A. mustB. canC. shouldD. need答案解析：B。
A 选项“must”表示必须，与题意不符；C 选项“should”表示应该，也不符合语境；D 选项“need”表示需要，在这里不合适。
而题干中表达不确定能否按时完成作业，“can”表示能够，符合题意。
2. She may come to the party tonight, but I'm not sure.A. mustB. mayC. shouldD. need答案解析：B。
A 选项“must”表示肯定的推测，与题干中不确定不符；C 选项“should”表示应该，不合适；D 选项“need”表示需要，不恰当。
题干中说不确定她今晚是否会来派对，“may”表示可能，符合语境。
3. He could have done better in the exam if he had studied harder.A. mustB. couldC. shouldD. need答案解析：B。
A 选项“must”表示必须，与题意不符；C 选项“should”表示应该，也不合适；D 选项“need”表示需要，在这里不恰当。
题干中说如果他学习更努力，他本可以在考试中做得更好，“could”表示能够，符合语境。
4. We might go on a picnic this weekend if the weather is nice.A. mustB. mightC. shouldD. need答案解析：B。
A 选项“must”表示肯定的推测，与题干中不确定不符；C 选项“should”表示应该，不合适；D 选项“need”表示需要，不恰当。
高中英语语法情态动词专项练习题二1. Jean have kept his promise. I wonder why he changed his idea.A. mustB. shouldC. needD. would解析：选 B. “should have +过去分词”表示“过去本来应该(但没能)做某事”；keep one’s promise 意为“信守诺言”。
2. Jane have come to the party, but she not find the exact time.A. could; couldB. might; couldC. should; couldD. should; would解析：选 A.“ could have+过去分词表示过去本来应该(但没能)做某事”。
3. So many mistakes in your homework! You more careful.A. may beB. had toC. would beD. should have been解析：选 D. “You should have been more careful”. 意为：你本来应该更细心的。
4．Her brother be at home now, because he was seen playing basketball in the stadiumjust now.A. mustn’tB. needn’ｔC. can’ｔD. shouldn't解析：选 C. can’t be at home 意为：不可能在家。
5．---I can’t understand why our boss is late.---He the early bus.A. could missB. may have missedC. can have missedD. might miss解析：选 B. “may have+过去分词”表示对过去动作的判断，意为：可能做了某事。
注意：can表示可能时，只能用于疑问句和反问句。
6. She didn't answer the phone, she ______ asleep.A. may beB. must beC. should have beenD. must have been解析：选 D. 表示：对过去发生的事情的肯定推测。
7．The little girl’s eyes were red. She ______.A. may cryB. must cryC. must be criedD. must have been crying解析：选 D. 意为：她刚才肯定一直在哭。
对过去某事正发生的推测。
8．He______ his supper now, for the dining hall is still closed.A. can’t be havingB. needn’t be havingC. mustn’t be havingD. shouldn't be having解析：选 A. 对现在正在发生的事情的否定推测。
9．I parked my bike behind the building, but now it is gone. It ________ .A. may be stolenB. must be stolenC. must have been stolenD. must have stolen解析：选 C. 对过去发生的事情的肯定推测的被动式。
10. ______ Mr. Black_______go to work by ferry before the bridge was built?A. Did; used toB. Use; toC. Did; use toD. Does; use to解析：选 C. used to do的疑问式，可以是Used+主语+to do ?或Did +主语+use to do?11. The hotel is only a stone’s throw away, you ______ take a bus.A. need not toB. not need toC. don't needD. need not解析：选 D. 说话人认为不必要乘车, need 为情态动词。
12. I am busy now, _______ my brother do it for you ?A. WillB. ShallC. MustD. May解析：选 B. 在疑问句中shall 用于第三人称，也表示征求意见。
13. ---You needn’t do it right now, need you?---Yes I am afraid I ______ .A. needB. needn’tC. mustD. mustn’t解析：选 C. Yes的意思是：不。
意为：恐怕我必须现在就做。
14.My English-Chinese dictionary has disappeared . Who _____ have taken it? (2003年上海春季高考)A. shouldB. mustC. couldD. would解析：选 C. could/can have done 用于否定推测和疑问推测。
15. ---The room is so dirty._______ we clean it?----Of course. (2003年北京春季高考)A． Will B. Shall C. Would D. Do解析：选 B. shall 用在疑问句中，常用于第一，三人称，表示征求意见或请求指示。
16. If you have something important to do, you ______ waste any time.A. needn’tB. mustn’tC. may notD. won’t解析：选 B. 根据句意用mustn’t17. If you want to borrow a football after school, your student card______ here.A. has to leaveB. must leaveC. has to be leftD. must be left解析：选 C. have to 表示客观需要，must表示主观需要。
学生证必须放在此是客观需要。
18. “ Did you scold him for his carelessness?”“Yes, but _____ it”A. I’d rather not doB. I’d rather not have doneC. I shouldn’t doD. I’d better not do解析：选 B. would rather 加完成时表示对完成了的或过去了的事情的态度。
意为：当时是不情愿做的。
19. “ Don’t get near to it . It is too dangerous!”“_______” .A. Yes, I won’tB. No, I don’tC. No, I can’tD. No, I won’t解析：选 D. A为错误的表达方式；B和C没有直接回答对方的问候。
20. He must be in the classroom, _______ he?A. mustn’tB. can’tC. isn’tD.can解析：选 C. 对表否定的must进行反意疑问时，要用句子的实义动词21. He________ be in the garden. He must be in the room.A. can’tB. mustn’tC. will notD. may not解析：选 A. 否定推测用can’t不用mustn’t22. “Do you have to leave now?”“I am very sorry, but I really______.”A. can’tB. haveC. shouldD. must解析：选 D. 回答have to 的疑问句用must作肯定回答。
23. “Let’s go to the library, shall we?”“_________?”A. No, I can’tB. Yes, I willC. Yes , thank youD. No, we’d better not解析：选 D. A,B,C都不能回答shall we, 此处D的语气比较婉转客气。
24. “Can I take it away?”“ You ______ better not.”A. shouldB. couldC. wouldD. had解析：选 D. had better 与不带to 的不定式构成谓语，可以变成疑问句：Hadn’t you better----25. You _______ have brought your camera. They all had theirs with them.A. couldn’ｔB. needn’tC. wouldn’ｔD. mustn’t解析：选 B. 本来不必要做某事.26. See who is there!______it be May?A. MayB. MustC. CanD. Will解析：选 C. 表推测时A，B都用作疑问句。
27. John______ be a basketball player. He is much too short.A. mayB. mustn’tC. can’tD. should解析：选 C. 断然的不定推测用can’t28. The Chinese teacher looks so pale. She ______ be ill.A. mustB. mustn’tC. canD. need解析：选 A. 表示有把握的肯定推测用must29. Something______to save our earth. Do you think so?A. can doB. must doC. has to doD. must be done解析：选 D. “something must be done”意为：必须采取措施。
30. Look at what you have done! You ______ be more careful.A. oughtB. canC. wouldD. should解析：选 D. ought 后应用to。
