课件52张PPT。情态动词定义:1.表示感情态度，本身有词义。
2.必须 和动词原形一起做谓语 （ought 除外）
3. 没有人称和数的变化 Can could may might must ought shall should
Will would need dare 一、can的用法:(一)表示能力,(二)、表示允许、许可或请求对方允许或许可。 (三)、可以用来表示推测:(四)、表示惊讶、怀疑或不相信等的态度, (五)、表示请求或建议对方做某事, 首页(一)表示能力,通常是指体力、智力或技能等的"能"或"会"1)---Can you drive a car?
---Yes,I can. ( ---No,I can’t.)
2)He can speak French. 表示通常的“能力” 时be able to和can意义相同。不同点：
1.意义区别： be able to 只表示“能”或“会”。
1)Are you able to drive a car? (可以用can代替)
2)He is able to speak French.(可以用can来代替)can 和 be able to的区别2.时态区别： can 只有一般现在时和一般过去时两个时态形式;
be able to 可以有各种时态及其他非谓语动词的形式。
2)I hope to be able to see you soon again.( 不能 用can代替)
3.用法区别：（1）用于否定句中, be able to常常可以表示具体做某事的能力 ，尤其是一般能力和具体能力相对照时。
（2）be able to不能用无生命的事物做主语。
（3）be able to后面不能接被动不定式。
1）I can swim but I am ill,so I am not able to swim today. （此句中的be able to最好不要用 can来代替。）
2）Wrong: I’m able to be heard when I speak in such a large hall. Right: I’m able to make myself heard when I speak in such a large hall.
1)I will be able to speak English in the near future.(不能用can代替)
1)You can go now.
2)---Can I borrow your dictionary?
---Yes,you can. (或 Certainly,here you are.)
---No,you can’t. (或Sorry, I'm using it.)
(二)、表示允许、许可或请求对方允许或许可。( 和may意思相近,只是can更口语化,而may较正式) (三)、可以用来表示推测:1.用来现实可能性,主要用于疑问句和否定句中, 表示怀疑、猜测或不肯定。 1)Where can he be?
2)It can‘t be Tom.He has just left.
3)He can‘t be playing on the playground.
4)Where can he have gone? 2.表示理论上或逻辑上的可能性, 表示只具备发生的条件而不是实际上正在发生或将来要发生的具体的可能性。如果要表示某事发生的具体的可能性应用may,could或might。
1) Scotland can be very warm in September.
2) This road can be blocked. (四)、表示惊讶、怀疑或不相信等的态度,主要用于否定、疑问或感叹句中。1) Oh,this can‘t be true.
2) What can he mean?
3) How can you be so careless! (五)、表示请求或建议对方做某事,此时一般不用may,如:1)Can you tell me the way to the railway station.
2)Can you help me with my English? (六)、can与其他词语的固定搭配形式:
1.cannot...too...:怎么...也不过分,如:
1)You cannot be too careful.你怎么仔细也不过分。
2)You cannot make too much money.你挣的钱越多越好。
3)I recommend the film too strongly. 我无论怎样竭立推荐这部电影也不过分。
2.cannot (help) but+不带to的动词不定式:不得不; 必须。
1)He cannot (help) but agree with us. 他必须同意我们的意件。
2)We cannot (help) but go there at once. 我们不得不立即去那。
3.can but+不带to的动词不定式:只得;充其量不过。 如:
1)I can but hurry back. 我只得赶紧回来。
2)I can but walk slowly. 我只得慢慢走。
3)I can but lose a few days’ rest.我充其量不过少休息几天4.cannot help+动名词:禁不住。如:
1)I cannot help thinking so. 我禁不住那样想。
比较：I am busy now.I cannot help do the house work.
5.as...as sb.can:尽可能地。如:
1)You should run as fast as you can. 你应该尽力快地跑。
2)I will arrive as soon as I can.我将尽快到。
二、could:( 一) 、 表示过去的能力, 作为can 的过去式。 (二) 在表示请求对方允许或请求对方做某事或允许对方做某事时,用以代替can使句子的语气更委婉。 (三)、表示推测: (四)、表示惊讶、怀疑或不相信等态度,用来代替can, 首页( 一) 、 表示过去的能力, 作为can 的过去式。 可以用was/were able to的形式表示。1)He could(或was able to )swim very well at the age of ten.
2)He said that he could( 或was able to) speak English. could 和 be able to的区别1:如果要表示过去某种具体的能力,即在某一场合做某事的能力时,不用could而用was/were able to。
1)How many books were you able to get with this money at that time?
2)Although the driver was badly hurt, he was able to explain what had happen.
2:在表示能够做某事并且做到经过一定的努力做到了此事时,应用was/were able to 的形式,但否定句中可用could。 1)He studied hard,so that he was able to pass the exam in the end.
2)He studied hard,but he wasn‘t able to(couldn’t )pass the exam.
3:在表示过去做某事的具体能力时,was/were able to后一般不 跟被动形式。
1)I was able to make myself heard when I spoke in such a large hall.
不能说 I was able to be heard when I spoke in such a large hall.(二) 在表示请求对方允许或请求对方做某事或允许对方做某事时,用以代替can使句子的语气更委婉。 常用于陈述句或疑问句中。 1)---Could you lend me your pen?
---Yes,I can.(不能用could 回答）
---Certainly,here you are) 2)Could you wait a few days for the money?
3)You could give me a hand with the cooking.(三)、表示推测:1.可以用来表示说话时某事可能是真实的,此时could并不是can的过去式,只是用于表示一种现实可能性。1)This could be your big chance.
2)You could be right,but I don‘t think you are.
3)The road could be blocked now. 2.后面接动词不定式的完成式用于推测过去发生的事情,可以用于陈述句 、疑问句中。 这种结构, 还可以用来表示批评某人本能够做而没有做某事。 1)Could he have been here?
2)He couldn‘t have been here.
3)He could have been here.
4)You could have finished your homework on time. (四)、表示惊讶、怀疑或不相信等态度,用来代替can,口气上比can较缓和,用can时不相信的程度更强一些, 两者没有时间上的差别。1)Oh,this couldn‘t be true.
2)How could you be so careless? 三、may: (一)、表示允许或请求对方允许。(三)、表示推测。(二)、可以用来表示祝愿, 首页 (一)、表示允许或请求对方允许,用在较正式的场合。 1) You may read those books.
2)I am wondering if I may hand in my article a bit later.
3) May I sit here? Yes,you may./Of course/ Certainly.
No,you may not. You mustn’t . Sorry,you’d better not.
May you be happy in the coming year! 祝你来年快乐!
(二)、可以用来表示祝愿,此时may应置于句首,其他语序不变 (三)、表示推测,通常用于肯定句和否定句中, 而不用于疑问中,疑问中通常用can。1.表示现在或将来的“可能”或“也许”。 1)This may be his but I’m not sure.
2)He may be wrong.
3)They may be studying in the classroom.
4) A student who is clever may not learn English well. 2.在表示过去的“可能”时，后接不定式的完成时1)You may have been there before,haven‘t you?
2)They may not have got to Beijing yesterday, did they? (五)、用于以下固定搭配中:may well(很有可能,也许)
may as well(不妨,倒是不如)。如:
1)He has greatly changed,so you may well not recognize him.他变化很大, 所以你也许会认不出他的。
2)We have nothing to do now, so we may as well go out for a walk. 反正没事做,我们倒不如出去散散步。 (一)、作为may的过去式 。(二)、表示推测,。(三)、表示请求对方允许时, 用来代替may语气上更委婉或带有迟疑 。 (四)、might还可以用来向对方提出建议或批评,。四、might:首页 (一)、作为may的过去式, 主要用于一般过去时的主从复合句中,表示过去已给予的许可或过去的可能性。 1)He said that I might read those books.
2)I was wondering if I might hand in my article a bit later.
3)He told us that he might come,but he might not.
(二)、表示推测,和may一样可用于肯定句和否定句中, 而不用于疑问句中,指某事发生的可能性, 只是这种可能性要比may小一些, might并不是may的过去式。 1. 可以用来表示将来 或现在 的情况或 状态。 1)I‘m afraid it might rain tonight.
2)He might be wrong.
3)They might be studying in the classroom.
4) This might not be true.We must make sure of it.2.might+动词不定式的完成式
（1）表示过去的可能性；
（2）本可以做而没有做或可能发生而没有发生的事情。
1)He might have got home now.
(三)、表示请求对方允许时, 用来代替may语气上更委婉或带有迟疑,在给予对方允许时,不用might。 1)---Might I ask you a question?
---Yes, you may.(不用might)
---Yes,please.
---Certainly.
2)I wonder if I might have a drink. 2)You might have finished the work earlier.
3)If you had tried harder,you might have passed the exam. (四)、might还可以用来向对方提出建议或批评,此时比用should或ought to语气上更委婉一些。 1)You might at least say “Thank you” when others help you.
2)You might often write to your parents.
3)He might have called me up to tell me about it. (五)、固定搭配形式,might as well的用法:
1.用might来代替may表示现在的情况,使语气更加委婉一些,如:
1)We might as well go out for a walk now. 现在我们不妨出去散散步。
2)I think I might as well go at once. 我认为我还是立即走的好。
2.后接动词不定式的完成式,表示"还不如",如:
1)We might as well have taken a train as you suggested. 我们还不如象你建议的那样乘火车呢。
2)They might as well have come back first. 他们还不如先回来呢。五、must: (一)、 表示“必须”或“应该” 。(二)、表示推测:(三)、表示报怨或不耐烦。首页 (一)、(1)用于肯定句中,说明说话人的主观看法,表示"必须"或"应该",即可以对自己也可以对别人。1)I must get home by supper time.
2)You must listen to me.
3)The work must be finished as soon as possible. (2)must 的否定形式是must not(mustn't),表示"不应该"或"禁止",也可以用来回答用may来提问的句子。 1)You mustn‘t play football in the street.
2)---May I go out for play after supper? ---No,you mustn‘t. (3)must用于疑问句中是征询对方的意见,表示是否可以做某事,注意其否定回答 1)--Must I get up at six tomorrow morning?
--Yes,you must. (--No,you needn‘t.或 No,you don’t have to.) must和have to的区别
1:must表示说话人的主观看法,觉得有必要去做某事;
have to表示的客观要求某人不得不做某事。
1)I must go now.(主观看法)
2)I have to go now.(客观要求)
2:must只有一种形式 ;
have to 有各种时态及非谓语动词形式。
1)He said he must get home on time.
2)We don‘t have to have classes on Sundays.
3)We will have to finish the work by Sunday.
3.否定时，意义完全不同。Mustn’t 禁止 not have to没必要。
(二)、表示推测: 1.是根据一定的事实依据, 对于现在的动作或状态的肯定的推测,所以must不用于疑问和否定句中( 疑问和否定句中要用can)。1)He must be at home now.
2)The students must be playing on the playground,aren‘t they?
3)Someone is knocking at the door. It must be Kate. 2.must+动词不定式的完成式:表示对过去发生的事情的肯定的推测。1)Look,the ground is wet.It must have rained last night,didn‘t it?
2)He must have been there recently,hasn‘t he?
(三)、表示报怨或不耐烦,可译为"偏偏"或"偏巧"。1)Must you do things like that,Mallet? 马立特, 你偏要那样做吗?
2)Why must you make so much noise? 我为什么偏偏弄出那么大的杂音?
3)I was about to set off when my motorcycle must break down. 我正要出发这个时候偏巧我的摩托车坏了。到must六、ought (一)、表示应该 。 (二)、ought to+动词不定式的完成式, 表示本该做而没有做某事 。首页 (一)、表示应该 ；也可以表示劝告 。1)He ought to be punished,oughtn‘t he?
2)---Ought I to leave tomorrow? ---No,you needn‘t leave till Thursday.
3)We oughtn‘t to drive too fast.
4)---Ought he to go? ---Yes,I think he ought (to)
5)Oughtn‘t he to see a doctor? (二)、ought to+动词不定式的完成式, 表示本该做而没有做某事;oughtn't to+动词不定式的完成式, 表示不该做而做了某事。 1)You ought to have arrived here five minutes earlier.
2)You oughtn‘t to have gone out for play. 七、shall:(一)、作为情态动词用于第二、三人称,表示说话人的命令、警告、威协或允诺等。 (二)、用于第一人称表示意愿和决心。 (三)、用于第一、三人称的疑问句中, 表示询问对方的意见或请求指示。首页(一)、作为情态动词用于第二、三人称,表示说话人的命令、警告、威协或允诺等。1)You shall get the reply this evening.
2)You shall be punished for this.
3)You shall not go out this evening.
4)He shall do as I say. (二)、用于第一人称表示意愿和决心。 1)I shall write to my parents tomorrow.
2)We shall discuss this matter as soon as possible. 1)---Shall I bring you some milk?
---Yes,please.
---No,thanks.
2)Shall he come at once?
3)Where shall we wait for him?
4)---Shall I tell him about it?
---No, you needn‘t.I have told him.
5)Let‘s go to the Great Wall tomorrow,shall we? (三)、用于第一、三人称的疑问句中, 表示询问对方的意见或请求指示。八、should: (一)、作为shall的过去式。 (二)、用于表示义务、责任、建议或劝告等。 (三)、表示推测 。 (四)、用于疑问句中,表示提出建议或征求意见等。 (五)、should+动词不定式的完成式 。 (六)、用于虚拟语气中首页 (一)、作为shall的过去式, 多用于间接引语或主句谓语动词是过去时的宾语从句中。1)Jim wanted to know if he should go out for play.
2)I told him that he should not go out for play. (二)、用于表示义务、责任、建议或劝告等。 1)You should really write a letter to your parents.
2)We should study English well. should和ought to的意义大致相同, 但仍有些细微的差别:should多表示说话人的主观看法;而ought to则更多地反映客观情况,ought to的语气比should重一些,但两者都不如must和have to语气上那样坚定和绝对。 (三)、表示推测,和ought to一样也是用于表示可能性较大的推测,是must表示肯定推测时的一种弱化形式。1)They should get home by now. 现在他们该到家了。
2)It should be Jim coming upstairs now. 现在正楼的准是吉姆。 (四)、用于疑问句中,表示提出建议、要求给予指示或征求意见等。 1) Should I help you with your English?
2)What should we do next? (五)、should+动词不定式的完成式, 表示该做而没做 ;shouldn‘t+动词不定式的完成式, 表示不该做而做了 。 1)You should have finished your homework on time.
2)You shouldn‘t have told him about it. (六)、用于虚拟语气中 1)I suggested he (should) leave earlier.
2)If it should rain tomorrow, we wouldn‘t go out for a picnic. 九、will: (一)、表示意愿,用于各个人称。 (二)、在疑问句中用于张第二人称,表示询问对方的意愿或向对方提出要求、邀请等。(三)、用于第一人称可以表示决心、允诺或威协等。 (四)、表示某种倾向或习惯性的动作。首页 (一)、表示意愿,用于各个人称。 1)I will go with you. 我愿意和你们一起去。
2)He will never do that again. 他再也不愿意做那样的事情了。
3)You can come here again tomorrow if you will. 如果你愿意的话,明天还可以再来。 (二)、在疑问句中用于张第二人称,表示询问对方的意愿或向对方提出要求、邀请等。1)Will you please tell me the way to the computer centre?
2)Won‘t you come and stay with us for a while?
3)Open the door,will you? (三)、用于第一人称可以表示决心、允诺或威协等。如:
1)I will give you a good present for your birthday. 我要送一份好的生日礼物给你。
2)I will try my best to finish the task on time. 我一定要尽全力按时完成那任务。
3)I'll hit you if you do that again. 如果你再做 那样的事情,我可要揍你了。 (五)、表示某种倾向或习惯性的动作。如:
1)Lucy will play the violin for fours without a break.
2)Boys will be boys. 男孩子就是男孩子。
3)The door won‘t open. 那门开不开。 4)She won’t open the door.(will用于否定句可以表示拒绝)十、would:(一)、作为will的过去式,主要用于间接引语或主句谓语动词为过去时的句子中。(二)、在疑问句中,用于第二人称,来代替will,表示询问对方的意愿或向对方提出要求、邀请等,比用will语气上更委婉。(三)、would用于过去时中,有时有一定的感彩, 用来表达固执或反感,用于否定形式有时也可以表达拒绝。 (四)、表示过去的某种倾向或习惯性的动作。(五)、用于虚拟语气及一些固定搭配形式中。首页(一)、作为will的过去式,主要用于间接引语或主句谓语动词为过去时的句子中。 1)He promised that he would help me .
2)I was afraid they wouldn‘t let me go.
3)He told me I could go with him if I would.(二)、在疑问句中,用于第二人称,来代替will,表示询问对方的意愿或向对方提出要求、邀请等,比用will语气上更委婉。 1)Would you tell me the way to the computer center?
2)Would you mind my opening the window? (三)、would用于过去时中,有时有一定的感彩, 用来表达固执或反感,用于否定形式有时也可以表达拒绝。 1)I told him not to go,but he wouldn't listen to me. 我让他别去,可他偏不听我的。
2)Mary could write a good hand,but she would keep using typewriter. 玛丽能写一手好字,可他 偏偏要用打字机。
3)They wouldn't take full responsibility for it.他们不肯对那件事承担全部责任。 (四)、表示过去的某种倾向或习惯性的动作。 1)He would get up early.
2)He would never let anybody know what he was doing. would和used to的区别:would和used to的区别:
1:两者都可以表示过去的习惯,但 would所表示的是过去重复性的动作,现在也许还那样,也许不再那样了; 而 used to则暗示,现在已不象以前那样了。如:
1)We would go swimming in the river in summer. (只表示过过去常常到河里去游泳) 我们过去夏天常常到河里去游泳。
2)We used to go swimming in the river in summer.(表示现在已不去河里游泳了) 我们过去夏天常常到河里去游泳。
2:另外used to的结构中,直接用used来构成否定和疑问句, 也可以用一般过去时的助动词did 来构成否定和 疑问句。只是,用did时更加口语化。如:
1)Used you to get up at six?你过去六点起床吗? 也可以说:Did you use to get up at six?
2)I usedn't to get up at six. 我过去不是六点起床。也可以说:I didn't use to get up at six.(六)、用于虚拟语气及一些固定搭配形式中。( 详见虚拟语气部分)如:
1)I would be glad if you let me know the news.你要是让我知道那个好消息,我会很高兴的。
2) If you had tried harder, you would succeeded. 如果你更加努力的话,你就会成功了。
3)I would like to go with you. 我愿意跟你去。
4)He would rather die than give in.他宁死不屈。十一、need:作为情态动词时只有一种形式,而且只用于否定和疑问句中,不用于肯定句中。但在表示否定可怀疑概念的句子中可以用这一情态动词的肯定形式。 (一)、表示责任或义务的否定,意思是"不必"。 (二)、need+动词不定式的完成式, 用于否定句时表示已经做了某事但不必去做;也可以用于疑问句中, 表示询问做过的事情是不是应该做。首页 (一)、表示责任或义务的否定,意思是"不必"。 1)---Must I hand in my exercise book? ---No,you needn‘t.
2)---Need I arrive there by supper?
---Yes,you must. ---No,you needn‘t.
3)I don‘t think you need go at once.
4)I wonder if we need discuss this matter. (二)、need+动词不定式的完成式, 用于否定句时表示已经做但不必去做;也可以用于疑问句中, 表示询问做过的事情是不是应该做。 1)He needn‘t have gone there yesterday.
2)Need you have hurried to the station?need除了作为情态动词以外,也可作实义动词，后接带to 的动词不定式, 可以用于肯定句中,有人称、时态和数的变化。 用于否定和疑问句时, 则需要用不同时态的助动词来构成 其否定和 疑问形式。如:
1)We'll need to take our raincoat when we go out. 当我们出去的时候,需要带着雨伞。
2)He needs to go now. 他现在需要走了。
3)He didn't need to have tried to explain. 他本不必要解释的。
4)Do you need to go now? 你现在就需要走吗?十二、dare:作为情态动词,表示“敢”或“竟敢”,过去式dared,只用于疑问句、否定句及条件句中, 不用于肯定句中。1)I daren't ask the teacher questions. 我不敢问老师问题。
2)How dare you say I'm unfair? 你怎么敢说我不公平?
3)If you dare do that again,I'll hit you.如果你再 敢做那样的事情,我要揍你。
4)I don't know whether he dare try again. 我不知道他是不是敢再试试。 注1:I dare say(daresay)作为插入语,表示“大概” 或 “也许”
如: I daresay,it'll rain soon. 也许一会儿会下雨 课件18张PPT。情态动词练习Ⅰ. 单项选择 1.I thought you ________ like something to read, so I have brought you some books.
A.may B.might C.could D.must 2.You_______to the meeting this afternoon if you have something important to do.
A. needn't to come B. don't need come
C. don't need coming D. needn't come 3. He_______you more help, even though he was very busy. A. might have given B. might give
C. may have given D. may give BDA4.─_________I help you with some shoes, madam?
─ Yes, I would like to try on those brown ones.
A. Will B. Should C. May D. Must
5. The reason why they ___________leave wasn't explained to us.
A. had B. had to C. must D. might
6. I searched for my wallet and it wasn't there. I thought I________it at home.
A. left B. have left C. might have left D. could have left
7. I _______asleep ,for it took me a long time to realize that the telephone was ringing.
A. could have fallen B. should have fallen
C. must have fallen D. mustn't have fallen
CBCC8. The only thing that really matters to the children is how soon they _______return to their school.
A. can B. must C. have to D. ought to
9. I want to go to the chemist's, but you __________go with me.
A. need not B. must not C. need D. must
10. I thought it over, but I________come to no conclusion.
A. can B. could C. should D. would
11. What we _________get seems better than what we have.
A. can B. could C. can't D. couldn't 12.─My goodness! I've just missed the train.
─That's too bad. I am sure you ________ it if you had hurried.
A. could have caught B. had caught
C. would catch D. could catch AABCA13. Look! What you've done! You _________more careful. A. may be B. had to C. should have been D. would be
14. __________ I repeat the question?
A. Shall B. Will C. Do you want that D. Do
15. Professor Li, many students want to see you. __________they wait here or outside! A. Do B. Will C. Shall D. Are
16. You ___________read that book if you don't want to.
A. haven't B. can't C. mustn't D. needn't
17. Johnny, you________ play with the knife; you__________ hurt yourself.
A. won't; can't B. can't; shouldn't
C. shouldn't; must D. mustn't; may CACDD18. It's nearly seven o'clock. Jack_________ be here at any moment.
A. must B. need C. can D. should
19. ─ There were already 5 people in the car, but they managed to take me as well.
─ It _________a comfortable journey.
A. can't be B. shouldn't be
C. couldn't have been D. mustn't have been
20. Tom ought not to___________me your secret, but he meant no harm.
A. have told B. tell C. be telling C. having told
21. Everyone is here. _______we start the meeting? A. Can B. Must C. Should D. Shall
22. I parked my car right here but now it's gone. It __________ . A. must be stolen B. may be stolen
C. must have stolen D. must have been stolen DCADD23. He __________the work yesterday, but he didn't. A. must have finished B. need have finished
C. finished D. should have finished
24. He did not pass the examination. As a good student, he__________ . A. mustn't have failed B. may not have failed
C. needn't have failed D. shouldn't have failed
25. _________it be true that Albert passed the test in geography?
A. May B. should C. Could D. would
26. You __________lead a horse to the water but you ________not make it drink.
A. will; can B. may; can C. may; dare D. dare; can DDCB27. ─Must we finish the composition in class?
─No, you _________.
A. needn't B. mustn't C. won't D. shouldn't
28. Her eyes were red. She___________. A. must cry B. must be cried
C. must have been crying D. may cry
29. Mary________his letter, otherwise she would have replied before now.
A. has received B. must receive
C. couldn't have received D. shouldn't have received
30. I told Sally how to get here, but perhaps I______for her.
A. had to write it out B. must have written it out
C. should have written it out D. ought to write it out ACCC31.Since you have been to London,you______ the Clock Tower.
A.must see B.can’t have seen C.can have seen D.may have seen
32.They must be waiting for us with anxiety,_______?
A.mustn’t they B.don’t they C.must they D.aren’t they
33.---Where is Tom?
---He______football on the playground.
A.plays B.must play C.must have played D.must be playing
34. ---Where is John?
---He _______ to the school library,I think.
A.has been B.must have gone C.had been D.may be
35. The bus ______ at six,but it arrived an hour later.
A.should have arrived B.should arrive
C.must arrive D.ought to arrive
DDDBA36. She said that she would rather not ______ it right now.
A. discussingB. to discuss C. discussion D. discuss
37. You ______ do it even if you don't want to.
?A. can't B. mustn't C. have to D. needn't
38.—What has happened to Tom? —I don't know. He______ lost.
A. could get B. might get
C. can have got D. may have got
39. You ______ to the meeting tomorrow if you have something important to do.
A. don't need come B. don't need coming
?C. needn't come D. needn't to comeDCDc40.1 can't find Dr Lopez anywhere in the office building. Where ______ he have gone?
?A. must B. can C. should D. need
?
41. She ______ to the cinema, for I saw her just now.
?
A. mustn't have gone B. may not go
C. can't have gone D. needn't go
?
42. The light is still on. They ______ to turn it off when they left the room.
?
A. must forget B. must have forgotten
C. may forget D. could have forgotten
?
43. She ______ the hospital so soon, for she had not yet recovered.
?A. has left B. must have left
C. did leave D. shouldn't have left
?BCBD44. You ______ her at the beginning, but now it is too late.
A. ought to have refused B. ought to refuse
C. ought have refused D. needn't refuse
45. Tom, you are so lazy! This work ______ hours ago.
? A. should finish B. must have finished
C. should have been finished D. might have finished
46. Our teachers are at work. You ______ make so much noise.
?A. won't B. mustn't C. may not D. needn't
47. I'm afraid it ______ rain tonight.
?A. can B. could C. may be D. might
48. —Dare you go home at night? —______.
?A.Yes,I do B.No,I daren't
C. No, I don't D. Yes, I dare to
ACBDB49. The car sped towards the cat quickly, but it______ escape.
?A. had to B. was able to C. would D. could
?
50. —Oh, what a long distance. I can't go any farther.
—We ______ a taxi.
?A. must have taken B. should take
C. could have taken D. should have taken
51.—Did you walk home by yourself last night? —Yes, I did. But I guess I___.
A. mustn't have B. may not have
C. shouldn't D. shouldn't have
52.—I didn't go to class last night because my car broke down.
—You ______ mine. I wasn't using it.
?A. could borrow B. could have borrowed
C.may borrow D.may have borrowed -
?BDDB53.-—Has Jane arrived yet? —No, she______ an hour ago.
A. was supposed to come B. must have come
C. should come D. ought to have come
54. Margie and Mary ______ some bad food in the restaurant because they were very ill shortly after they left.
?A. could have eaten B.must have eaten
C. should have eaten D. would have eaten
55. He learned to speak the language so quickly and well that he ______ for a native speaker.
?A. must have been taken B. should have been taken
C. could have been taken D. need have been taken
?DBA56. The train was ten minutes late, so I______ have run all the way from my house to the station
?A. couldn't B. shouldn't C. needn't D. mustn't
57. He ______ his homework yesterday, so he couldn't come to the meeting.
?A. must do B.must have done
C. ought to do D.had to do
?
59. —That must be a mistake. ^No, it ______ a mistake.
?
A.must not be B. needn't be
C. cannot be D. would not be
?
60. She said that she ______ climb the mountain.
?
A.didn't dare B. dared not
C. dared not to D. daren't to
?CDCAB61.—Will you go shopping with me? —Yes,I______.
? A. will B. shall C. can D. may
62. —______ I stop here, sir? —No. Go on to the next paragraph, please.
? A.Will B.May C.Would D.Ought
63.I wasn't sure whether I ______ offer to help or not.
? A. should B. might C. would D.can
64.—______ we finish all the exercises in class? —Yes, you
?A. Shall; will B. Need; can
C. Can; might D. Must; must
65. You ______ walk for miles and miles among the hills without meeting anyone.
?A. must B.need C.may D. should
ABADC?
66. —______ I use your bike, Tom? —Of course, you ______.
? A.Can; could B. Could; can
C. Shall; can D. Could; could
67. —Where is my uncle, Mary? —He ______ in the bedroom.
? A. must have been B. must be
C. may have been D. should have been
68. He is two hours late. What ______?
?A. can happen B. should have happened
C. should happen D. can have happened
69. Helen ______ it if she doesn't want to.
? A. doesn't need do B. need not to do
C. needs not to do D. need not do
70. Tom ______ be in Berlin because I saw him just now.
?A. mustn't B. isn't C. may not D. can't
71. —Shall I come to see you again, doctor?
? —No, you ______ come, unless you feel worse.
? A. may not B. can't C. needn't D. mustn't
?BBDDDC72. —______ we hand in our papers today?
—No, you needn't.
?A. Can B.May C.Must D.Need
73. The experiment ______ right now.
?A. had better not to do B. had better not to be done
C. had not better be done D. had better not be done
74. Put on more clothes. You ______ be feeling cold with only a shirt on.
?A. can B. could C. would D.must
75.—Won't you tell me more about your problem? —I______ talk about it any more.
A. would rather not B. would like to
C.had better D.have to
?CDDDA76.I don't think we ______ buy any milk today. We still have a lot in the fridge.
A. must B.can C.will D.need
77. The light is still on in his room. He______ on his new book.
?A. must have worked B. must be working
C. must work D. must have working
78.______ take the man upstairs?
?A. Had I better not B. Had I not better
C. Hadn't I better to D. Did I have better not
79. Teachers______ strict with their students in everything.
?A. must be B. need be C. can be D. may be
80.—______ the plane have taken off on time?
? —I'm afraid not. The fog was too thick then.
? A. Can B.Must C.Did D.Are
BDAAA
