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情态动词表推测专项练习题

情态动词表推测专项练习

1. Look! The light is out in her room. She ———— to bed already.

A. must go

B. had to go

C.must have gone

D.has gone

2. We had a wonderful time yesterday. You ———— .Why didn't you come?

A. had to come

B.should have come

C.might have come

D.must have come

3. ─There were already five 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. mustn't have been

D. couldn't have been

4. My sister met him at the Grand Theatre yesterday afternoon, so he ___ your lecture.

A. couldn't have attended

B. needn't have attended

C. mustn't have attended

D. shouldn't have attended

5. I was really anxious about you. You _____ home without a word.

A. mustn't leave

B. Shouldn't have left

C. Couldn't have left

D. needn't leave

6. Oh, I’m not feeling well in the stomach,I_____ so much fried chicken just now.

A. shouldn’t cut

B. mustn’t have eaten

C. shouldn’t have eaten

D. mustn’t eat

7. Mr.White _____ at 8:30 for the meeting, but he didn’t’ show up.

A. should have arrived

B. should arrive

C. should have had arrived

D. should be arriving

8. You ______ be tired - you've only been working for an hour.

A. must not

B. won' t

C. can' t

D. may not

9. - Isn' t that Ann's husband over there?

- No, it _______ be him -I'm sure he doesn't wear glasses.

A. can't

B. must not

C. won't

D. may not

10. There ____ be any difficulty about passing the road test since you have practised a lot in the driving school.

A . mustn’t B. shan’t C. shouldn’t D.needn’t

11. I was on the highway when this car went past followed by a police car. They

______ at lease 150 km an hour.

A. should have been doing

B. must have been doing

C. could have done

D. would have done

12. He _____ have completed his work; otherwise, he wouldn’t be enjoying himself by the seaside.

A. should

B. must

C. wouldn’t

D. can’t

13. ---- The woman biologist stayed in Africa studying wild animals for 13 years before she returned.---- Oh, dear! She _______ a lot of difficulties!

A. may go through

B. might go through

C. ought to have gone through

D. must have gone through

14. This cake is very sweet. You __________ a lot of sugar in it.

A．should put B．could have put C．might put D．must have put

15. —Catherine, I have cleaned the room for you.

—Thanks. You it. I could manage it myself.

A．needn’t do B．needn’t have done C．mustn’t do D．shouldn’t have done 16.—Tom is never late for work. Why is he absent today?

—Something ________ to him.

A．must happen B．should have happened

C．could have happened D．must have happened

The Uniqueness of Finger-prints（指纹的唯一性）

难度：＊＊＊＊词数：266 标准时间：6分钟完成时间：______正确数：______ Every human being has a unique①arrangement of the skin on his fingers and this arrangement is unchangeable. Scientists and experts have proved the uniqueness of finger-prints and discovered that no exactly similar pattern is passed on from parents to children, though nobody knows why this is the case.

The ridge structure on a person’s fingers does not change with growth and is not affected by surface injuries. Burns, cuts and other damage to the outer part of the skin will be replaced in time by new one, which bears a reproduction of the original②pattern. It is only when the inner skin is injured that the arrangement will be destroyed. Some criminals make use of this fact to remove their own finger-prints but this is a dangerous and rare step to take.

Finger-prints can be made very easily with printer’s ink. They can by recorded easily. With special methods, identification③can be achieved successfully within a short time. Because of the simplicity and economy of this system, finger-prints have often been used as a method of solving criminal case. A suspected man may deny a charge but this may be in vain. His finger-prints can prove who he is even if his appearance has been changed by age or accident.

When a suspect leaves finger-prints behind at the scene of a crime, they are difficult to detect with the naked eye. Special techniques are used to “develop” them. Some of the marks found are incomplete but identification is possible if a print of a quarter of an inch square can be obtained. ( ) 1. Scientists and experts have proved that the pattern of a human being’s finger skin ________.

A. is similar to his mother’s

B. is valuable to himself only

C. is like that of others with the same type of blood

D. is different from that of all others

( ) 2. If your fingers are wounded by knife, fire or other means, the structure of skin will ________.

A. be changed partly

B. be replaced by a different one

C. be the same when the wound is recovered

D. become ugly

( ) 3. Some criminals remove their own finger-prints by ________.

A. using printer’s ink

B. injuring the inner skin

C. damaging the outer skin

D. damaging the colour

( ) 4. Finger-prints have often been used as a method of solving criminal case because it ________.

A. is complicated but reliable

B. is simple and not expensive

C. is expensive but easy to do

D. can bring a lot of money

情态动词表推测用法总结(整理稿)

情态动词表推测用法总结（一）情态动词表推测能用于表推测的情态动词：英语情态动词表推测的时态构成（1）语气部分：（以下情态动词语气由强至弱）肯定句：must、may、might（=could）否定句：can’t（=couldn’t）、mayn’t、mightn’t 疑问句：can、could（语气更加委婉不确定）（2）时态部分：一般现在或一般将来时间的推测：情态动词+be；情态动词+v. 对过去时间的推测：情态动词+have done 对正在进行的时态的推测：情态动词+be doing （二）表许可、请求 1、 can, could 2、may, might 3、must 4、shall 5、will, would 1. can, could 1) 用在疑问句中，表示一般的请求。两者不同在于：用could 要比用can更加委婉，特别是没有把握得到允许时。 Can I go with you? 我能和你一起去吗？Could I ask you something? 我能问你一个问题吗？ 2) 用在陈述句中，表示许可：You can leave when you finish your work. 做完事情后你才可以走。 2. may, might 1) may用在疑问句中，也表示一般的请求。同can相比，may比较正式，常常表示尊敬之意。并且，may在疑问句中常用于第一人称，很少有May you…/they…这样的句型。Might比较少用在疑问句中，它表示请求的时候常用陈述句。 May I make a suggestion? 我可以提个建议？ 2) 用在陈述句中，表示许可，此时与can, could相近。 You may have a rest before we set out again. 我们再次出发之前你可以先休息一下。 3. must 1) 表示说话人“不许”和“禁止”某人做某事，有很强的劝告语气。 Cars must not be parked here.此地不准停车。 2) Must的一般疑问句的回答有两种，表示肯定，用Yes, you must. 表示否定，用No, you needn’t. Must I post this letter tomorrow? 我明天必须得寄掉这封信吗？ Yes, you must. 是的，你必须明天寄掉。

情态动词表猜测的用法

情态动词表猜测的用法情态动词must,can,could,should,may,might 等可以用在句中表示猜测。 1.“情态动词+动词原形”表示对现在或将来情况的猜测 I don’t know where she is. She may be in Wuhan. 2.“情态动词+进行式”表示对现在或将来正在进行的情况的猜测 At this moment, our teacher must be correcting our exam papers. 3.“情态动词+完成式”表示对过去情况的猜测 You must have been caught in the rain on your way home yesterday. 4.“情态动词+完成进行式”表示对过去正在进行的情况的猜测 Your mother must have been looking for you. 5.推测的否定形式用can’t/couldn’t，may not/might not表示

Mike can’t have found his car, for he came to work by bus this morning. 6.句子中含有表示猜测的情态动词时，其反意疑问句的构成不能再用原句中的情态动词，而应根据原句在去掉情态动词的情况下的主谓关系来确定其反问形式。 ①The man in the white clothes must be a doctor, isn’t he? ②She must have seen the film before, hasn’t she? ③He must have an uncle abroad, doesn’t he? ④You must have met Uncle Wang in the shop yesterday, didn’t you? 7.在表示“猜测”方面的区别情态动词must,can,could,should,may,might 都可以用于表示“猜测”（注意：could, might 表示推测时不表示时态, 其推测的程度不如can, may）。实际上，“猜测”与“可能性”在逻辑上是有必然联系的。如果认为没有某种可能性，人们就不会作出某些猜测。因此，请注意六个情态动词之间的区别与它们各

初中英语情态动词表推测练习题

★★★★★ 情态动词表推测【2013天津】—? —, ' . A. ’t B. C. D. 't 【2013四川南充】—, ? —’s. . A. B. C. ’t 【2013湖南益阳】24. . . A. B. C. ’t 【2013江苏盐城】— a ? —, I’ I . A. B. ’t C. D. ’t 【2013福建泉州】—? — . . 's a . A. B. C. 【2013山东潍坊】21. ’t , . A. B. C. D. 【2013湖南株洲】, 's . ! . A. B. C. 【2013黑龙江绥化】—? —’s. ’s . A. ’t; B. ’t; C. ’t; 【2013 湖北黄冈】—’s ? . ? —. ’s . A. B. ’t C. D. ’t 【2013广西贺州】. . . A. ’t B. C. D. ’t 【2013甘肃兰州】—. ? —. , ’s . A. ’t B. C. ’t D. 【2013湖北宜昌】—! — ! a , a . A. B. D. D. 【2013湖北孝感】—. . ? —. . a . A. B. C. D. ’t 【2013湖北十堰】— a ! ! —I’m . ’s . A. ’t B. C. D. 【2013山东烟台】—? —’s. , . A. ’t B. C. ’t D. 【2013浙江宁波】’s a . A. ’t B. ’t C. D. 【2013广东】—. ? —. a . A. B. C. ’t D. ’t 【2013福建福州】—? — . . 't B. 't C. 't 【2012河南】—?

(完整版)情态动词表推测用法讲解及配套练习

情态动词must, can, could, may, might表推测的用法情态动词中的must, can, could, may, might都表推测。其中must的可能性最大，can / could 次之，may / might最小。具体用法如下： 1.must的用法（1）表示推测“可能性”时，意思是“一定、准是”，语气较肯定，较有把握。 He must be American. = It is certain that he is American. 他准是个美国人。（2）must表推测只能用于肯定句。如果要表示“一定不、肯定不”的意思时，应用can’t,如询问某种可能时，应用can。 He must know my address. 他肯定知道我的地址。（一定） He can’t know my address. 他肯定不知道我的地址。（一定不） Can he know my address? 他知道我的地址吗？（询问可能性）（3）must表示推测时，可以推测现在/正在发生的动作/过去发生的动作。 He must have a car now. （现在）他一定有辆小汽车。 He must be doing his exercises in the classroom.（正在进行）他一定在教室里做练习。 He must have finished the work.（过去发生）他一定已完成了工作。注：must表示推测时很少用于将来的情况。一般不用He must come tomorrow.可用It`s certain / I’m sure that he will come tomorrow. （4）在反意疑问句中，当附属部分含有表示推测意义的must时，疑问部分的助动词应与must后面的动词在非推测情况下的用法保持一致。 He must be a worker, isn’t he? （现在）他准时个工人，是吗？ It must have rained last night, didn’t it? （过去）昨晚一定下雨了，是不是？ You must have learned English for many years, haven’t you? （完成时）你一定学了好多年英语，是吗？ 2.?can / could的用法（1）can表示推测“可能性”时，往往用于否定句或疑问句。Can’t“一定不”，语气很肯定。can在疑问句中意思是“会、可能”。 He can’t be at home. = It is impossible that he is at home. 他一定不在家。（2）can /can’t后可接进行时/完成时，表示对现在发生的动作或过去发生的动作进行推测。They can’t be reading in the library. 他们一定不在图书馆读书。 He can’t have gone to Shanghai for I saw him a minute ago. 他不可能去了上海，我刚才还看见他。 It’s so late. Where can she have gone? 天晚了，她可能去哪儿了呢？（3）在反意疑问句中，当陈述部分含有表示推测意义的can’t时，疑问部分的助动词应与can’t后面的动词在非推测情况下的用法保持一致. He can’t be a teacher, is he? 他不是教师，是吗？ She can’t have finished her homework, has she? 她一定没有完成家庭作业，是不是？（4）could可用于表示某事有可能发生或可能是事实。 Don’t eat it. It could be poisonous. 不要吃它，可能有毒。 The plane could be delayed by fog. 飞机可能会因为雾晚点。（5）could还可以用于表示客气、委婉、礼貌的请求语气。 Excuse me, could you tell me the way to the bus station?

情态动词表推测用法总结(整理稿)

补充强调：推测的句型特点(对某一次的推测句型有两部分：语气和时态) (1)语气部分：(以下情态动词语气由强至弱) 肯定句：must、may might ( =could) 否定句：can，t ( =couldn 't )、mayn t> mightn 't 疑问句：can> could (语气更加委婉不确定 (2)时态部分： have done 表示对过去的推测 be doing 表示对正在进行的推测 be表示对现在的推测语气部分写在前时态部分写在后，组合在一起就是推测 (-)情态动词表推测的三种句_ 能用于表推测的情态动词:must, can, could, will, would, may, might, should, ought to 1. 在肯定句中一般用must (一定)，may (可能)，might / could (也许，或许)。 (1)He must/may/might know the answer to this question? 他一定/可能/也许知道这个问题的答案。 (2)It is cold in the room? They must have turned off the heating? 屋里很冷，他们肯定把暖气关了。 2. 否定句中用can't / couldn 't (不可能)，may not/might not (可能不)。 (1)It can J t/couldn 't be the headmaster? He has gone to America.这不可能是校长，他去美国了。 (2)He may not/might not know the scientist. 他也许不认识那位科学家。 3. 疑问句中用can /could (能..?)。 (1) Could he have finished the task? 他可能把任务完成了吗？ (2) Can he be at home now? 他现在能在家吗？注：以上三种句式中情态动词的语气按程度都是依次递减的。Might, could并非的过may, can 去式，而表示语气较为委婉或可能性较小。 (二)情态动词表推测的三种时丄

情态动词表推测用法总结及专项练习

情态动词表推测用法总结及专项练习 1.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。如： It can’t [couldn’t] be true. 那不可能是真的。 What can [could] they be doing? 他们会在干什么呢? We could go there this summer. 今年夏天我们可能要去那儿。注：can 有时也用于肯定句中表示推测，主要用于表示理论上的可能性(即从理论上看是可能的，但实际未必会发生)，或表示“有时”之意。如： Even experienced teachers can make mistakes. 即使是有经验的教师也可能出错。 She can be very unpleasant. 她有时很令人讨厌。 (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。如： He could have gone home. 他可能已经回家了。 He can’t [couldn’t] have understood. 他不可能理解了。 Why does he know this? Can [Could] someone have told him about it? 他怎么知道? 会是哪个人告诉他了吗? (3) “could+完成式”除表示对过去的推测外，还有以下重要用法： ①表示过去没有实现的可能性，常译为“本来可以”。如： I could have lent you the money．Why didn’t you ask me? 我本来可以借这笔钱给你的。你为什么不向我提出? ②用来委婉地责备某人过去应该做某事而没有去做，常译为“本来应该”。如： You could have helped him. 你本来应该帮助他的。 ③表示“差点儿就要”。如： I could have died laughing. 我差点儿笑死了。

(完整word版)初中情态动词练习题及答案

(完整word版)初中情态动词练习题及答案一、单项选择情态动词 1．—_______ you disturb me now? I’m busy preparing a report. — Terribly sorry, but I have something urgent to tell you. A．Need B．Should C．Might D．Must 【答案】D 【解析】【详解】考查情态动词特殊用法。句意：—你非要现在打扰我吗？我正在准备一份报告。—真对不起，但是我怕有紧急事情告诉你。A. Need需要；B. Should 应该；C. Might也许；D. Must 必须；一定；偏偏，非得；根据语境可知must表示“偏偏，非得”符合上下文语境，用来指责对方。故D项正确。 2．It is really cold and the ground is wet; it ________ have rained last night. A．might B．must C．can D．should 【答案】B 【解析】【详解】考查情态动词辨析。句意：天气很冷而且地面是湿的，昨晚一定下了雨。根据上文the ground is wet可知，“昨晚下了雨”是肯定的，故用must have done“必定做了……”表示对过去十分有把握的推测，故选B。【点睛】 must have done用法辨析 must have done：表示对过去的肯定的逻辑推测，推定某件事情、动作或状态可能在过去发生过（存在过）。 He must have been a doctor, for he knows medicine so well. 他过去肯定是一位医生，他对医学如此了解。 Somebody must have stolen the ring. 肯定有人偷了这枚戒指. [该句所推断的偷窃动作发生在过去.] The temperature must have dropped to below zero last night, because the water is frozen all over.昨夜的温度肯定降到零度以下，因为水都冻住了。如果“must + have + 过去分词”句型与by now连用，还可以表示对现在完成的动作和状态的肯定推测，但实质上还是指所推测的过去的动作。例如： They started early this morning; they must have arrived by now. 他们今晨很早就出发了，现在肯定已经到了。中国学生的常见病句是：They...; they certainly have arrived.病句的句义是“他们当然已经到达了。”（这不是对过去的肯定推测，而是断定动作已经完成。）

表示推测的情态动词

表示推测的情态动词 ■肯定的推测 must, should, may(might) 或could（一般不用can），其中，must的语气最强，译为“一定，准是，想必是”；may(might) , could的语气最弱，译为“也许”、“可能”。如：Th e computer doesn’t work. There must be something wrong with it. 这台计算机开不了机。一定是有什么毛病了。 It should be fine tomorrow. 明天很可能天晴。 If you look at the moon, you may/might have many questions to ask. 如果你看看月亮，或许会有许多问题要问。 This project could create 5,000 new jobs. 这项新工程可能给5千人带来新工作。 ■否定的推测表示可能但不是肯定无疑时，常用should not(恐怕不会) ，或用may not, might not或could not，译为“可能不，也许不”；否定语气较强时，则用can’t或couldn’t，译为“不可能”。如： Don’t worry, your father may not have been hurt seriously. 别急，你父亲也许伤得不厉害。 He might not be in England. 他或许不在英国。 There shouldn’t be any difficulty about getting you a visa. 给你弄个签证恐怕不会有什么困难。 After what had happened he could not continue to work there. 鉴于所发生的事情，他不可能继续在那里工作下去了。 He can’t be more than thirty. 他不可能在三十以上。 ■疑问句中的推测一般用can或could。如： What can he mean? 他可能是什么意思呢? What could have become of him now? 现在他可能怎么样了呢? ■后接的动词形式对现在或将来的推测一般接动词原形；若表示说话是正在发生的情况，用情态动词+be +现在分词；若要表示对过去的情况进行推测时，用“情态动词+ have + 过去分词”。如：You must know Diana surely. 你准会认识戴安娜。 You must be joking. 你准是在说笑话。

2019年秋人教版九年级Unit 8情态动词表推测精练(含答案及解析)

2019年秋人教版九年级 Unit 8 情态动词表推测精练一、单项选择 1. —Look! It ______ be David in the classroom. —It _______ be him. Because I saw him in the library a moment ago. A. may; mustn’t B. must; can’t C. can; can’t D. mustn’t; can 2. Harry's been driving all day—he ______ be tired. A. need B. can C. shall D. must 3.—Look! The man at the gate ______ be our headmaster. He is always standing there every morning. —No, it ______ be him. He is holding a meeting in the office now. A. must; can’t B. must; mustn’t C. can’t; can’t D. can’t; mustn’t 4. －I have been to the moon twice. －You_____ be joking! It's impossible! A . can B. may C. must D. need 5. —Do you have any plans for this Sunday? —I'm not sure. I ______ go to the countryside to see my grandmother. A. can B. must C. may D. need 6. —Is that woman your head teacher? —No, it ______ be her. Our head teacher is in her office. A. mustn’t B. can’t C. needn’t 7. —Will Karen come to our party? —She hasn't decided yet. She _______ come. A. need B. must C. may D. has to 8. The green dictionary _______ belong to _______. Her name is on it. A. may, Carla's B. must, Carla C. can't，Carla D. must, Carla's 9.—Is that man Mr. Smith? —It _____ be him. He has gone to New York on business.

情态动词表推测的用法

情态动词表推测的用法一、must表示推测的用法 must表示推测时，只用于肯定句，表示很大的可能性，意为“一定，准是，必然会”。其否定形式是can’t/couldn’t (不可能)。例如： 1. You haven’t eaten anything since this morning; you must be hungry. 2. That can’t be Mary —she’s in hospital. 二、can/could表示推测的用法 1. can表示推测时，多用于肯定句和疑问句。当用于肯定句时，指“有时可能会”，是理论上的可能，其时间意义宽泛不具体。例如： Even experienced teachers can make mistakes. 2. could表示推测时，既可以用于肯定句，又可以用于疑问句。例如： My book has disappeared. Who could have taken it? 3. can’t/couldn’t表示推测时，用于否定句，是语气最强的否定推测，意为“不可能，一定不(是)”。例如： He can’t/couldn’t have see n her there. 【即学即练】一、用表示推测的情态动词must, could, , can的适当形式填空。 1. — Hi, Tom. Any idea where Jane is? — She be in the classroom. I saw her there just now. 2. — I hear they went skiing in the mountains last winter. — It be true because there was little snow there. 3. Accidents happen on such rainy days. 二、翻译下列句子，注意情态动词的推测用法和情态动词后动词的形式。 —那个人一定是布朗先生。—不可能是他，他去纽约了。【反义疑问句】又叫附加疑问句。它表示提问人的看法，没有把握，需要对方证实。反义疑问句由两部分组成：前一部分是一个陈述句，后一部分是一个简短的疑问句，两部分的人称时态应保持一致。如：She was ill yesterday, wasn’t she? They don’t work hard, do they?

情态动词表推测归纳

情态动词表推测归纳一、can／could can和could没有时态上的区别，只是表示可能性的大小，can表示的可能性比could大。（1）对现在或将来动作或状态的推测 The shy girl can’t (couldn’t) be our monitor. 这位害羞的女孩不可能当我们的班长。（2）对过去事实的推测 can （could）＋have＋动词过去分词，表示推测过去某动作“可能”发生了，或者表示过去某动作有可能发生，但未发生，意为“本来可以……”。 can’t（could’t）＋have＋动词过去分词，表示推测过去动作一定没有发生。He’s an hour late, and the bad weather can have delayed him. 他迟到了一小时，可能是恶劣的天气使他耽误了。 The road isn’t wet. It couldn’t have rained last night. 路面没有湿，昨天晚上肯定没下雨。二、may/might （1）对现在或将来动作或状态的推测 She may (might) be washing her clothes. 她可能正在洗衣服。（2）对过去事实的推测 A.may／might＋have＋动词的过去分词，表示推测过去某动作“也许”发生了； might＋have＋动词的过去分词，表示推测的语气更加委婉。 He says that she may/might have misunderstood him. 他说她可能误解他了。 B.may/might＋have＋been＋动词的现在分词，表示推测过去某动作是否正在进行或一直在进行。 He may/might have been buying stamps when you saw him. 你看见他时他可能正在买邮票。

情态动词表示推测的用法

第五单元：情态动词表示推测的用法一，对不同时态的推测情态动词+do sth表示对现在事情的推测。情态动词+be doing sth表示对正在发生的事情的推测。情态动词+have done sth表示对过去或已完成的事情的推测。如： 1、They must be in the classroom now. 他们现在一定在教室里。 2、The light in the teachers’ office is still on. Miss Gao must be working. 老师办公室的灯还亮着，高老师肯定正在工作着。 3、Mike may (might) hurt in the traffic accident. 迈克可能在这次交通事故中受了伤。 4、He must have finished his homework yesterday. 他昨天肯定完成了作业。二、情态动词表示推测，在不同句型中的用法： 1、在肯定句中，可使用的情态动词有：must, could, may, might,等；其肯定程度逐渐减弱，must表示一种很有把握的推测，意为“一定，肯定”,could/may/might表示一种不太有把握的推测，may意为“可能”，might意为“或许”could意为“可能”，could/may/might在表示推测时，无时态区别，只表示语气差异。如：（1）You have worked all this week .You must be tired. 你辛苦工作了一周，一定累坏了。（2）Will you please answer the phone? It could /may/might be your mother. 请接一下电话好吗？可能是你的母亲打来的。（3）According to the radio ,it may/might/could rain this evening. 根据广播，今晚可能下雨。 2、在否定句中使用can’t和may not/might not. can’t表示很有把握的否定推测，意为“不可能”；may not/ might not 表示不太有把握的否定推测，意为“可能不”如：（1）She can’t be at school .It’s Sunday today. 她不可能在学校，今天是星期天。（2）She may not be there today. 今天她可能不在那儿。（3）I think he might not come. 我认为他可能不来了。 3、在疑问中，一般只用can或could,意为“可能”如：（1）Who can it be at the door ?Can it be Tom? 门口会是谁呢？会不会是汤姆呢？（2）Where could it be? 它可能在哪儿呢？三、在表示推测时，反意疑问句的两种情况； 1、对现在进行推测时，反意疑问句中的动词用一般现在时。如：（1）He must be good at English, isn’t he? （2）You might be watching TV at home ,aren’t you? 2、对过去进行推测时，若有明确的、表示过去的时间状语，反意疑问句中的动词用过去式；若没有明确的、表示过去的时间状语，反意疑问句中的动词用现在完成时。如：（1）It must have rained last night , didn’t it? （2）You might have been to the Great Wall, haven’t you? 附：belong to的用法 belong to 是动词+介词构成的短语，它表示所属关系，注意其用法：

中考英语语法复习--情态动词表推测专项练习

中考英语语法复习6—情态动词表推测专项练习题 1. Harry`s been driving all day ---he _______ be tired. A. need B. can C. shall D. must 2.---What`s the matter with Tom? He has been absent for two days. --- Oh! He ______ be ill. Let`s go and ask Ms Brown. A. can B. should C. may D. will 3. ---Must I finish all the homework this evening? ---No , you _______. Tomorrow is Saturday, and you have enough time for it. A. mustn`t B. needn`t C. won`t D.can`t 4. Look! The traffic light has turned red. We________ stop our car. A. can`t B. can C. must D. mustn`t 5. ---Let`s go climbing, shall we? ---You ______ be joking! Don`t you know I`m afraid of high places? A. may B. can C. should D. must 6. We ____ pay to get into the concert. It`s free. A. can`t B. mustn`t C. might not D. don`t have to 7. ---Is that girl Susan? ---It ______ be her. She left for Beijing yesterday. A. needn`t B. can`t C. mustn`t D. won`t 8. ---Where are you going this month? ---We _____ go to Xiamen, but we`re not sure. A. needn`t B. must C. might D.mustn`t 9. You ______ drive your car so fast. It`s very dangerous. A. wouldn`t B. shouldn`t C. couldn`t D. mightn`t 10. ---You _____ be happy with the strong public support you`ve received. A. may B. can C. must D. need 11.—Finally, they came back. —They ________ be hungry after such a long walk. A. can't B. must C. needn't D.won`t 12. —I still haven't found my pet dog.

九年级英语情态动词表推测用法总结

九年级英语情态动词表推测用法总结能用于表推测的情态动词：must, can, could, will, would, may, might, should, ought to 1.在肯定句中一般用must (一定)，may（可能），might / could（也许，或许）。（1）He must/may/might know the answer to this question? 他一定/可能/也许知道这个问题的答案。（2）It is cold in the room. They must have turned off the heating. 屋里很冷，他们肯定把暖气关了。 2.否定句中用can’t / couldn’t(不可能), may not/might not(可能不)。（1）It can’t/couldn’t be the headmaster. He has gone to America. 这不可能是校长，他去美国了。（2）He may not/might not know the scientist. 他也许不认识那位科学家。 3.疑问句中用can/could (能……?)。（1）Could he have finished the task? 他可能把任务完成了吗？（2）Can he be at home now? 他现在能在家吗？注：以上三种句式中情态动词的语气按程度都是依次递减的。Might, could并非may, can 的过去式，而表示语气较为委婉或可能性较小。 1.

（1）She must / may / might / could arrive before 5. 5:00前她一定/可能/也许到。（2）She must/may/might/could walk miles and miles among the hills without meeting anyone. 她一定/可能/也许会在山里一连走好几英里而遇不到一个人。 2.对现在或一般情况的推测，（1）He must / may / might / could be listening to the radio now. 他一定/可能/也许正在听收音机。（2）He can’t ( couldn’t ) / may ( might ) not be at home at this time. 这个时候他不可能/可能不在家。（3）Mr. Bush is on time for everything .How can ( could ) he be late for the opening ceremony ? 布什先生一向准时，这次开幕式他怎么可能迟到呢？ 3. （1）It must / may / might / could have rained last night .The ground is wet. 地湿了，昨晚肯定/可能/也许下雨了。（2）The door was locked. He can ( could ) not / may ( might ) not have been at home . 门锁着，他不可能/可能不在家。（3）Can / Could he have gotten the book？难道他找到书了吗？注：情态动词should /ought to表推测时，意为“想必会，理应……”但与“have +过去分词”连用时，则又可构成虚拟语气意为“本应该做某事却没做”。例如：（4）It’s seven o’clock. Jack should/ought to be here at any moment. 现在七点钟了，杰克理应随时到达。（推测）（5）She should / ought to have attended your birthday party, but she had to look after her mother in hospital.

情态动词表虚拟和推测-已整理

情态动词+ have done 动词+ 动词完成式即“情态动词+ have + done”，表示对过去行为或动作进行推测、评论或判断。这个结构是近几年高考情态动词的重点和难点。一、在虚拟语气中的用法 1. should have done 表示“过去本应该做某事却未做。”其否定结构shouldn't have done 表示“过去本不该做某事却做了。” 2. ought to have done 表示“过去本应该做某事却未做。”其否定结构oughtn't to have done 表示“过去本不该做某事却做了。” 3. need have done 表示“过去本有必要做某事却未做。”其否定结构needn't have done 表示“过去本没必要做某事却做了。” 4. could (不能用can) have done 表示“过去本能够做某事却未做。”注意：其否定形式couldn't have done 没有虚拟语气的用法，couldn't have done 只能表推测，相当于can't have done，意为：“过去不可能做了某事。” 5. might (不能用may) have done 表示“过去本可以做某事却未做。”注意：其否定形式might not have done 没有虚拟语气的用法，might not have done 只能表推测，相当于may not have done，意为：“过去可能没有做某事。” 二、表推测的用法 1. must have done 表示对过去某事的肯定猜测，译为：过去肯定做了某事。不存在mustn't have done 的形式。其否定或疑问形式须用can(could) 来表示. 例如： Since the road is wet, it must have rained last night. 既然路是湿的，那昨天晚上肯定下雨了。 He can't have missed the way. I drew him a map. 他不可能迷路。我（当时）给他画了张图。 “The dictionary has disappeared. Who could have taken it?”词典不见了，（过去）谁可能把它拿走了？ 2. may / might have done may / might have done 表示“过去可能做了某事”。may 比might 表示的可能性在说话人看来稍大些。may/might not have done表示“过去可能没有做某事。”例如： I can't find my keys. I may / might have left them at the school yesterday. 我找不到我的钥匙了。

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