情态动词知识点(大全)经典

情态动词知识点(大全)经典
情态动词知识点(大全)经典

情态动词知识点(大全)经典

一、初中英语情态动词

1.— We've ordered too much food. I eat any more.

—Never mind. Let' take it home.

A. can't

B. mustn't

C. needn't

D. shouldn't

【答案】 A

【解析】【分析】句意:——我们已经点了太多的食物,我不能再吃了。——没关系,我们带回家吧。can't不能;mustn't必须不;一定不要;needn't不必;shouldn't不应该。根据句意可知选A。

【点评】考查情态动词辨析。

2.—Where is Monica? I can't find her anywhere.

—She be in the library. She loves reading books when she is free.

A. must

B. need

C. can't

【答案】 A

【解析】【分析】句意:——莫妮卡在哪?我到处都找不到她。——她肯定在图书馆,她喜欢空闲时看书。A肯定,肯定句中表示推测,B需要,C不可能,否定句中表示推测,根据 She loves reading books when she is free ,可知是肯定句表示推测,故选A。

【点评】考查情态动词,注意情态动词表推测的用法。

3.— _________ I take my cousin Shirley with us, Mr. Wu?

— Yes, but we'll get there by bike. ____________ she ride a bike?

— Yes, and she ___________ ride a bike when she was only six years old.

A. Could; can; could

B. Can; can; can

C. Can; could; could

D. Could; could; can

【答案】 A

【解析】【分析】句意:-我能带我表弟雪莉和我们一起吗,吴先生?-是的,但我们将骑自行车去那儿。她会骑自行车吗?-是的,她在六岁时就能骑自行车了。can,能,会,它的过去式是could。在一般疑问句中could多表示委婉语气,而不是表过去。所以选A。

4.We __________ pay to get into the concert. It's free.

A. can't

B. mustn't

C. might not

D. don't have to

【答案】 D

【解析】【分析】句意:我们进入音乐会不必付钱。这是免费的。A.can"t 不可能; B. mustn"t 禁止; C.might not 可能不;D. don"t have to不必。根据It's free.可知音乐会是免费的,因此不必付钱。故选D。

5.—Where is George?

—He _______ be here just now. His coffee is still warm.

A. need

B. can't

C. must

D. shouldn't

【答案】 C

【解析】【分析】句意:——乔治在哪里?——他刚才一定在这里,他的咖啡还是热的。A. need需要; B. can't 不能,不可能(表示推测); C. must 必须,一定(表示推测); D. shouldn't不应该;根据His coffee is still warm.可知表示肯定推测一定在这儿;故答案为C。

【点评】考查情态动词。掌握情态动词表推测时的意义和用法。

6.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

【答案】 B

【解析】【分析】句意:请不要发出那么多噪音。我不能很好地听清楚发言者的话。needn't不必;can't不能;shouldn't不应该;mustn't禁止。根据前半句的Please don't make so much noise.可知别人发出了太多噪音,所以他无法听见演讲者的话,故用情态动词can't。故选B。

【点评】考查情态动词,结合句意和词义做出判断。

7.—Life is becoming convenient with the Internet.

—That's true! Almost everything ______ be done online.

A. must

B. could

C. should

D. can't

【答案】 B

【解析】【分析】句意:——生活正随着网络变得方便。——那是真的。几乎所有的事情可以在网上完成。A必须,B可以,C将,D不能。根据 Life is becoming convenient with the Internet. 生活正随着网络变得方便,可知应该是很多事情可以在网上完成,故选B。

【点评】考查情态动词。注意理解和掌握情态动词的不同用法。

8.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

【解析】【分析】句意:一个勤奋的人可能不会成为一位伟大的科学家,但是一位伟大的科学家一定是一个勤奋的人。can't不可能,不会;can可能,能,会;may not 可能不;must 必须,一定;结合句意,可知,第一个空为“可能不”,第二个空为“一定”,故答案为B。

【点评】考查情态动词。掌握情态动词表推测时的意义和用法。

9.Teenagers allowed to drive .

A. should not be

B. should be not

C. not should be

【答案】A

【解析】【分析】句意:年轻人不应该被允许驾车。Should是情态动词,其否定表达一般在在后面加副词not,故选A。

【点评】此题考查含有情态动词的被动语态的否定形式。平时注意记忆情态动词的记忆和用法。

10.You be tired after walking for such a long time. Sit down and have a rest.

A. can

B. can't

C. mustn't

D. must

【答案】 D

【解析】【分析】句意:走了这么长时间你一定很累了。坐下休息一下吧。can能,能够,can't不能,对事物进行否定推测;mustn't一定不是,禁止,must一定,对事物进行肯定推测,根据after walking for such a long time,可以肯定你一定很累,所以是进行肯定推测,情态动词使用must,故选D。

【点评】此题考查情态动词。弄清每个情态动词的使用规则,根据句意确定所使用的情态动词。

11.— Is this e-dictionary Jack's?

— No, it_______ his. His is much newer.

A. can't be

B. mustn't be

C. may be

D. should be

【答案】 A

【解析】【分析】句意:-这个电子字典是杰克的吗?--不可能是他的,他的更新些。must,can(could),may(maight)可以表示猜测,must表示肯定猜测,用于肯定句,肯定……,一定……;can’t,表示否定猜测,肯定不……,另外can(could),may(maight),表示可能性猜测,可能……。根据后文的依据,可知是否定猜测,故选A

12.—___________ I bring you all the magazines right now?

— No, you don't have to, but you give them to me tomorrow.

A. May, can

B. Should, must

C. Can, can

D. Must, had better

【解析】【分析】句意为:—我必须给你马上把所有的杂志都拿来吗?—不,不必。但是

你最好明天给我。Can表示能够,may表示可能,should表示应该,must表示必须,had better表示最好做某事。根据语境可知,这里表示必须,不得不,并建议作某事,结合选

项可知应选D

【点评】本题考查情态动词辨析。以及may、should、can、must、had better五个词的词

意和用法。

13.Rock music ______ sound popular with the young, but it's not the favor of the aged people.

A. must

B. need

C. should

D. may

【答案】 D

【解析】【分析】句意:摇滚音乐在年轻人中听起来受欢迎,但是它不受上了年龄的人的

赞同。must, 表示猜测时,指把握比较大的肯定猜测,肯定……;need需要;should,应该;may,表示把握比较小的肯定猜测,可能,也许。结合句意,故选D。

【点评】考查情态动词辨析,注意几个常见情态动词的意思和用法。

14.— Shall I book some seats for the concert?

—______. I've done that.

A. Yes, you may

B. No, you mustn't

C. No, you needn't

D. No, you can't

【答案】C

【解析】【分析】Yes, you may是的,你可以;No, you mustn't 不,你千万不要;No, you needn't不,你不必;No, you can't不,你不能。句意:我要预定一些音乐会的座位吗?根

据下文,我已经办了。可知选C最符合语境。

【点评】考查交际用语

15.—Mum, I play football this afternoon?

—Sure, but you finish your homework first.

A. may; could

B. can; must

C. can; mustn't

D. 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。

16.——Do you have any plans for this summer vacation? ——I'm not sure. I ___ take a trip to Taiwan.

A. must

B. need

C. may

D. should

【答案】C

【解析】【分析】句意:一今天暑假你有什么计划吗?一我还不确定。我可能去台湾去旅

行。A.必须,一定;B.需要,必要;C.可能;D.应该。根据句中I'm not sure可知,说话人还没有

确定的计划,所以这只是一个可能,应选C。

17. Look! The traffic light has turned red. We _____ stop our car.

A. can

B. can't

C. must

D. mustn't

【答案】 C

【解析】【分析】句意:看交通灯成了红灯。我们必须停车。turned灯成了红灯;stop sth停

止某物A. can能; B. can't不能; C. must必须; D.mustn't千万别,一定不要。根据常识可知红

灯停,这是必须的,故选C

18.——You look pretty in green, Kate. ——Thank you. I like green. Green ______give me energy.

A. can

B. must

C. should

D. has to

【答案】A

【解析】【分析】句意:一一凯特,你穿看绿色的衣服很漂亮。一一谢谢,我喜欢绿色。绿

色给我能量。A.能,表示能力;B.must必须,强调主观愿望;C.应该,强调责任与义务;D.必须.

强调客观要求。绿色能给我力量,我喜欢。故选A。

19.—Wow....another gift! What's in the box?

—I'm not sure. It be a pair of sports shoes.

A. must

B. may

C. will

【答案】 B

【解析】【分析】句意:——哇哦,另一个礼物!在盒子里面的是什么?——我不确定,

它可能是一双运动鞋。A. must必须;B. may可能,表示没有把握的肯定推测;C. will将

会。根据答语中的不确定可知这里应为可能,故答案为B。

【点评】考查情态动词。掌握情态动词may表示推测的用法。

20.Now all passengers show their ID cards and go through the safety check before they take a train.

A. would

B. may

C. could

D. must

【答案】 D

【解析】【分析】句意:现在所有的乘客必须出示身份证并通过安检,才能上火车。A.

愿,要;B.可以;C.可以,表示许可,可能,表示肯定的推测;D.must必须。旅客必须出示身份

证并通过安检才能上火车,必须:must。故选D。

21.Size and type do not matter — you ______ do almost anything if you never give up.

A. should

B. must

C. need

D. can

【答案】 D

【解析】【分析】句意:大小和类型不重要——如果你不放弃,你几乎可以做任何事。A. should应该;B. must 必须; C. need 需要;D. can可以,能;根据 if you never give up,可知此处说你能做几乎任何事情,故选D。

【点评】此题考查情态动词辨析。根据上下文的联系确定所使用的情态动词。

22.As middle school students, we follow the public rules wherever we go.

A. would

B. should

C. might

D. could

【答案】 B

【解析】【分析】句意:作为中学生,无论走到哪里我们应该遵守公共规章制度。would 将会,指将会发生的事情;should,应该,主要用于告诉某人应该做什么、给予忠告或加强语气。might,可能,事情发生的可能性;could,能,表示委婉语气;此处表示应该做的事情,故选B。

【点评】此题考查情态动词辨析。根据上下文的联系确定所使用的情态动词。

23.—I've bought all the food for the party tonight.

—Thank you. Then I _______ go to the supermarket.

A. can't

B. mustn't

C. shouldn't

D. needn't

【答案】 D

【解析】【分析】句意:-今天晚上我买好了所有晚会的食物。-谢谢你。那么我就不必去超市了。A. can't不能;B. mustn't不准,不允许,禁止;C. shouldn't不应该;D. needn't 不必。你买好了,我就不必去买了。故选D。

【点评】考查情态动词,表示不必要应使用need的形式,要牢记不同的情态动词的意思。

24.—How amazing this robot is!

—Wow, it has video cameras in its eyes, so it “see” and interact with people.

A. may

B. can

C. must

D. 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。

25.—I wonder if this smart phone is Mary's.—It _______ belong to her. _______ is totally different from this one.

A. mustn't; Her

B. can't; Her

C. can't; Hers

D. may; Hers 【答案】C

【解析】【分析】句意:――我想知道这个智能机是否是玛丽的。――不可能属于她,她的和这个完全不同。情态动词表示推测时,用must表示“一定”,用might, could表示“可能”,用can't表示“不可能”。从句意看,这手机与她的完全不同,故不可能是她的,前面

用can't。形容词性的物主代词后一定有一个被修饰的名词,名词性的物主代词后没有被其修饰的词,本题后没有被修饰的词,用名词性的物主代词,“她的”:hers。故选C。

26.I'm sorry I go now. My piano lesson will start in ten minutes.

A. must

B. might

C. can

D. could

【答案】 A

【解析】【分析】句意:对不起,我得走了。我的钢琴课十分钟后开始。A 必须,表示责任;B 可以,表示建议;C 能够,表示能力或许可;D 能够,表示许可。根据题干中的My piano lesson will start in ten minutes.提示可知,此句表示必须走了,故选A。

【点评】考查情态动词的辨析。弄清每个情态动词的基本含义及用法,根据上下文语境确定正确的答案。

27.—Is that boy Scott?

—No, it be Scott. Scott is much taller.

A. can

B. can't

C. mustn't

【答案】 B

【解析】【分析】句意:——那个男孩是Scott吗?——不,他不可能是Scott。Scott个字高很多。A可能、可以;B不可能;C禁止。根据题干中Scott is much taller.可知斯科特更高,所以那个男孩不可能是斯科特,如表示对现在情况的否定推测,应用can't+动词原形,故答案选B。

【点评】考查情态动词,注意平时识记其用法,理解句意。

28.David, you please sweep the floor and take out the trash?

A. could

B. may

C. might

D. must

【答案】 A

【解析】【分析】句意:——大卫,你能打扫一下地板把垃圾拿出去吗?could能,能够;may可以;might有可能;must必须。Could/Would you please do sth?你做某事好吗,固定句式,表示语气的婉转,故选A。

【点评】此题考查情态动词。注意固定句式Could/Would you please do sth?

29.— Must I study here with you, Mum?

—No, you ______.You may go home now, but you ______go to the net-bar.

A. must, need

B. need, must

C. needn't, mustn't

D. mustn't, needn't

【答案】 C

【解析】【分析】句意:——妈妈,我必须和你一起在这里学习吗?——不,你不需要了。你现在可以回家,但是你不可以去网吧。第一空,以must提问的一般疑问句,否定回答用needn't或don't/doesn't have to(不必)。根据No可知,用needn't,不需要;第二空,根据but可知,不允许去网吧,用mustn't。故选C。

【点评】考查情态动词辨析。注意must的一般疑问句的用法。

30. ---- Could I invite my friends to a party?

---- Yes, of course you _ .

A. can

B. could

C. must

【答案】A

【解析】【分析】句意:----我可以邀请我的朋友们来参加晚会吗?----是的,当然可以。A.可以,行,表示许可;B.能,会,can的过去式;可以,表示请求许可;C.表示主观愿望;一定,表示对目前情况作的肯定推测。本题是许可请朋友参加晚会,用can,故A。

31.——Mum, the train is leaving in eight minutes. I go now.——Okay, Jim, call me when you get there.

A. may

B. must

C. can

【答案】B

【解析】【分析】句意:一妈妈,火车八分钟后出发,我现在必须走了。一好的,吉姆,到了给我电话。A.may可以,表示允许或请求许可;B. must必须,强调主观愿望;一定,表示肯定的推测。C. can能,表示主语所具备的能力。火车要出发了,我必须走了。表示必须:must,故选B。

32.The girl in the classroom_____ be Mary. She called me from Beijing just now.

A. mustn't

B. needn't

C. shouldn't

D. can't

【答案】D

【解析】【分析】句意:教室里的女孩不可能是玛丽。她刚才从北京给我打的电话。A.不准,不允许,禁止;B. 不必;C.不应该;D.不可能。后句句意可以堆测出玛丽不在教室,表示否定的推测,不可能,故选D。

33.— Is that Mr. Green?

— Impossible. He has gone to America. It be him.

A. could

B. must

C. can't

D. might

【答案】C

【解析】【分析】句意:——那是格林先生吗?——不可能,他去美国了。不可能是他。

A.could可能,表示对目前情况作的可能的推测;可以,表示委婉的语气;

B. must必须,强调主观的愿望;一定,表示对目前作的肯定推测;

C. can`t不能,表示能力;不可能,表示否定的推测;

D. might可能,表示可能的推测。根据句意,他去美国了,所以那不可能是格林先生。故选C。

34.You return the book now. You can keep it until next week if you like.

A. have to

B. can't

C. mustn't

D. needn't

【答案】 D

【解析】【分析】句意:你不必现在归还这本书,如果你喜欢,你可以到下周再还。have to必须;can't不能;mustn't不准,一定不要;needn't不必。根据You can keep it until next week if you like.(你可以到下周才还。),可知现在不必还,用needn't。故选D。

35.— Where did you put your schoolbag?

— I can't remember. I attended a concert yesterday so it still be in the music hall.

A. can't

B. need

C. might

D. must

【答案】 C

【解析】【分析】句意:一一你把你的书包放在哪儿了?一一我记不得了,我昨天出席了一个音乐会,因此它可能还在音乐厅里。A.can't 不能,表示能力;不可能,表示否定的推测;B.need 需要,必须;C. might可能,表示推测,可以,表示许可;D.must必须;一定,表示肯定的推测。我记不得了,因此在音乐厅只是一个可能情况,故选C。

36.Cars, buses, bikes and people stop when the traffic lights are red.

A. can

B. may

C. must

【答案】 C

【解析】【分析】句意:当交通灯是红色时,汽车、公交车、自行车和人们必须停下来。A.can能,表示能力,B.may 可以,表示允许,C.must必须,表示要求,根据when the traffic lights are red.可知交通灯是红色时,必须停下来,这是交通规则要求的。故选C。

37.—That must be Mr. John.

—No, it be him. I saw him off at the airport half an hour ago.

A. may not

B. mustn't

C. can't

D. needn't

【答案】 C

【解析】【分析】句意:——那一定是约翰先生。——不,不可能是他。我看见他在半小时前到达机场。nay not可能不是;mustn't一定不是;can't不可能是;needn't不必,英语中,肯定的推测用must;否定的推测用can't。依据 I saw him off at the airport half an hour ago. 可知不可能是他,所以应该是否定的推测,故选C。

【点评】此题考查情态动词。弄清每个情态动词的使用规则。根据语境和上下文的联系确定所使用的情态动词。

38.— you like to drink some tea?

— Yes, please. Thanks very much.

A. Would

B. Can

C. Might

D. Must

【答案】 A

【解析】【分析】句意:——你想喝点茶吗?——是的。非常感谢。A 将要;B 能够,C 可以;D 必须。固定句型结构would like to do sth.,想要做某事,故选A。

【点评】考查情态动词的辨析。熟记常用的句型结构。

39.Could you please speak a little louder? I ______ hear you very well.

A. can't

B. mustn't

C. shouldn't

D. needn't

【答案】 A

【解析】【分析】句意:请你说大点声好吗?我不能很好地听到你说的话。can't不能;mustn't禁止;不允许;shouldn't不应该;needn't不需要。根据语境表示“不能够”。故答案为A。

【点评】考查情态动词的辨析。

40.—Must I send the email now?

—No, you . You can do it tomorrow.

A. can't

B. mustn't

C. needn't

D. shouldn't

【答案】 C

【解析】【分析】句意:——我现在必须发送电子邮件吗?——不,你没必要。你明天可以做。A: can't 不能;B: mustn't 不可以,禁止;C: needn't 没必要;D: shouldn't不应该。根据下文You can do it tomorrow.可知没必要,故选C。

【点评】考查情态动词辨析。理解情态动词意思和用法,根据语境,选择正确的情态动词。

41.—Excuse me, is this the right way to Children's Park?

— Sorry, I'm not sure. But it __________ be.

A. might

B. must

C. need

D. can

【答案】 A

【解析】【分析】句意:——请问,这是去儿童公园的路吗?——对不起,我不确定。但它可能是。A可能,表示不肯定的推测;B必须,表示肯定的推测,语气强烈;C需要,D 能,表示能力;根据I'm not sure ,可知是不确定的的语气,即不肯定的推测,因此用might,故选A。

【点评】考查情态动词,注意情态动词表推测的用法。

42.—Jason, the exam is coming, but I ______ stop playing computer games!

—For better grades, my friend, I'm afraid you'll have to.

A. can't

B. mustn't

C. needn't

D. shouldn't

【答案】 A

【解析】【分析】句意:——Jason,考试就要来了,但是我不能停止打电脑游戏!——为了更好的分数,我的朋友,恐怕你会不得不停止打电脑游戏。A. 不能;B. 禁止;C. 不必要;D. 不应该。根据 the exam is coming,可知是不能打电脑游戏,故选A。

【点评】考查情态动词的用法,根据语境选出合适的情态动词,确保句子通顺。

43.—Look! The man welcoming us at the school gate be our headmaster.

—No, it be him. He is having a meeting in the office now.

A. must; can't

B. must; mustn't

C. can't; mustn't

D. mustn't; can 【答案】 A

【解析】【分析】句意:——看,在学校门口欢迎我们的一定是我们的班主任。——不,不可能是他。现在他正在办公室开会。must一定,表示肯定推测;can't不可能,表示否定推测;mustn't禁止,不表示推测;can可能。根据He is having a meeting in the office now.可知班主任正在开会,所以不可能是班主任,所以第二个空用can't,根据no可知第一个人认为正在欢迎我们的一定是班主任,所以用must,故选A。

【点评】考查情态动词,注意平时识记,理解句意。

44.Mr. Zhang has gone to Mexico, so the man __________ be him.

A. must

B. might

C. can't

【答案】 C

【解析】【分析】句意:张先生去了墨西哥,所以那个男人不可能是他。A:must 一定,表示推测;B: might 可能;C: can't不可能,推测的否定。根据上文 Mr. Zhang has gone to Mexico 可知那个男人不可能是他。表示否定的推测,要用can't,故选C。

【点评】考查情态动词的辨析。根据语境选择正确的情态动词。

45.—Kate, it's midnight! Why stay up so late?

—I'd like to go to bed earlier, but the test paper be handed in tomorrow morning.

A. may

B. should

C. can

D. must

【答案】 D

【解析】【分析】句意:Kate,都半夜了,你为什么熬夜到这么晚?我想要早一点睡觉,但是这个试卷明天早上必须交上。may”可以“;should”应该“;can”能,会,可能“;must”必须“。根据句意Kate熬夜到很晚,说明试卷明天必须交上,语气非常强,故应选D。

【点评】考查情态动词辨析,区分may,should,can,must的含义和用法。

46.If you _______ the book, you _______ buy it right now, I think.

A. needn't; needn't

B. don't need; don't need

C. don't need; needn't

D. don't need; needn't to

【答案】 C

【解析】【分析】句意:如果你不需要这本书,我觉得现在你就没有必要买它。needn't是情态动词need的否定形式,后面跟动词原形;don't need是实意动词need的否定形式,后面跟to do sth.或者名词做宾语,根据句意可知应选C。

47.Look! The light in the room is still on. Mr. Liu at work.

A. must

B. can't be

C. must be

D. have to be

【答案】C

【解析】【分析】这题考查情态动词表示猜测的用法:can't be一定不是must be一定是,根据句意:看房间的灯还开着,说明刘先生一定还在工作。选C。

48.—________ I have a cup of tea, Miss Anderson?

—Of course. Here you are.

A. May

B. Must

C. Need

D. Should

【答案】 A

【解析】【分析】句意:——安德森小姐,我可以喝一杯茶吗?——当然。给。A可以,表询问、请求;B必须,表命令;C需要;D应该,表建议。根据 I have a cup of tea.我可以喝一杯茶,可知是请求,应用情态动词may,故选A。

【点评】考查情态动词辨析。注意掌握不同情态动词的用法。

49.—Sir, you ________ use your mobile phone at the gas station. It's very dangerous. —Sorry, I will put it out soon.

A. mustn't

B. don't have to

C. needn't

D. may not

【答案】 A

【解析】【分析】句意:——先生,你不能在加油站用手机,太危险了。——对不起,我很快就会把它挂掉。A禁止,B不必,C不必,D可能不,根据 It's very dangerous,可知是禁止,故选A。

【点评】考查情态动词,注意根据 It's very dangerous 的语境选择用法。

50.—Is that red schoolbag Mary's?

— It ____be hers. She hates that color.

A. may

B. must

C. can't

D. might

【答案】 C

【解析】【分析】句意:——那个红色的书包是Mary的吗?——不可能是她的。她讨厌那个颜色。A.可能;B.一定;C.不可能;D.可能。根据She hates that color她讨厌那种颜色,可知不可能是她的书包,用can't be表示否定的猜测,故答案选C。

【点评】考查情态动词,首先记住情态动词的词义,然后理解句意,选择正确答案。

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