情态动词

情态动词和虚拟语气

(一）情态动词modal verbs (mood)

(1) Will, would, shall, should, can, could, may, might, must, ought to (should)

(2) need, dare, be able to , have to ,ought to , had better ( semi-modal verbs 半情态动词)

will

(1) Will you please sit down?

(2) I will have nothing to do this matter.

(3) I will not let my parents down.

(4) Roses will blossom in June.

(5) Boys will be boys.

(6) No one will leave the examination room before 12 o’clock.

Would

(1)He knew he would be late.

(2)When he was young he would walk in these woods.

(3) Would you kindly sent me address?

(4)The person you mentioned would be her father.

(5) She would be stupid not to accept.

(6)If I were a man, I would take the challenge. (Subjunctive Mood 虚拟语气)

(7)If I had seen the advertisement, I would have applied for the job.(Subjunctive Mood 虚拟语气)

(8) She worried for fear that her child would be hurt.

(9) I would be only to glad to help. I’d love a coffee. I’d prefer to go by plan. I would rather have the blue. I would sooner go home.

Shall

I shall go to school next Monday.

What time shall I come?

In the rules, it says that a player shall be sent off for using bad language.

Should

(1) The police should do something to fight against the terrorists.

(2) She advised that we should keep the gate locked. ( agree, arrange, ask, command, determine, order, advocate, propose, stipulate, suggest)

It advisable that everyone should have map.

It is better that he should hear from you.

It is essential that he should be prepared for this.

It is only right that she should have a share.

It is his suggestions that I should be come round to see you.

(3)I find it quite astonishing that he should be so rude to you.

I can’t think why she should have done such disgusting deeds.

(4)He wore a mask so that on one should recognize him.( in case, lest)

(5)He should have arrived by now.

(6) You shouldn’t have trusted him so easily. (Subjunctive Mood 虚拟语气)

If he had asked me, I should(would) have helped her.

Can

Can you help me with the box?

Scotland can be very cold. （有时候）

This can’t be Mary- she is in hospital. (推测，否定）

She can’t be telling the truth.

You can’t smoke here.

Could

He said he couldn’t come.

Could you show me the way?

Could you have been waiting so long?

You could get into university if you applied.

I could have earned lots of money if I had worked hard. (Subjunctive Mood 虚拟语气)

I could have died laughing. (Subjunctive Mood 虚拟语气)

You could have told me beforehand.(Subjunctive Mood 虚拟语气)

May

May I come in?

You may come if you wish.

Jim may know Tom’s telephone number.

He may have immigrated abroad.

May you be happy.

May God be with you.

Might

He said he might be late.

She might not believe your story.

We might be going to Spain on holiday this year.

If you invited him, he might come. (Subjunctive Mood 虚拟语气)

The pills might have helped him, if he had taken them regularly. (Subjunctive Mood 虚拟语气)

Must

You must cut down smoking.

You mustn’t drive without license.

You must be hungry.

It must have rained last night for the floor is still wet.

They might be twins.

They may be twins.

They can be twins.

They must be twins.

They can’t be twins semi-modal verbs 半情态动词

need, dare, be able to (can), have to (must), had better

need

You needn’t finish your graduation paper in time.

All living things needs water. ( Transitive Verb）

I need to get some sleep.

Dare

(1) I dare not ask her to marry me.

(2) No one dare speak of it.

(3) How dare you speak to me like that?

(1) He dares to accuse me of dishonesty.

----He doesn’t dare to accuse me of dishonesty.

(2) He will dare any danger.

(3) Can you jump off the war? Go on, I dare you.

（二）虚拟语气

1）现在虚拟语气

God bless you.

God be praised.

It is essential that the ban should be lifted.

She petitioned the king that her father should be pardoned.

2)过去虚拟语气

she treated me as though I were a slave.

If only I were not so nervous.

3)过去完成时

I wished I hadn’t said such merciless words to her.

If only I have listened to your advice.

虚拟语气在条件句中的用法

虚拟条件句（Sentences of Unreal Conditions)

(1)If had a map, I would (could, might) lend it you.

(2)He were(was) to resign, who would take his place.

(3)If I were Tom, I would refuse.

(4)Were I Tom, I would refuse.

(5)If it were not for your help, we would be in serious trouble.

(6)Were it not for you help, we would be in serious trouble.

(7)I would(could, might, should ) have got the job, if I had applied in time.

(8)If you had taken her advice, you would not be in such trouble now. ( 错综时间条件句Conditional Sentences of Mixed time)

(9)I would have written her a letter before but I have been ill. (含蓄条件句Sentences of Implied Condition)

虚拟语气在某些从句中的运用

（1）I wish I knew what was going to happen.

I wish I could help you.

I wish I had not lied to her.

(2)I would rather you told me the truth.

I would rather you had not told me the truth.

I had rather you did it.

(3)suggest, demand, insist, ask, advise, urge, propose, vote, request, desire, order, intend, petition, decreed, order

It was proposed that this matter be discussed at the next meeting.

(4)It is important that he work hard. ( essential, appropriate, imperative, vital)

(5)It is surprising that you should be rude.

(6)I have loved you as if you were my son. ( as if ,as though, though)

Whether she be right or wrong, we will support her.

(7)It is time we went.

It is time we were leaving.

It is high time you brought a new car.

It is high time you made up your mind.

(8)oh, that the rain would stop.

That he should act so rudely toward you!

(9)He is , as it were, a walking dictionary.

He is my best friend, my second self as it were.

(10)Who would have thought to see you here.

测试(1)

1. “You ______ borrow my notes provided you take care of them,” I told my friend.

A. could

B. should

C. must

D. can

2. She _____fifty or so when I first met her at the conference.

A. must be

B. had been

C. could be

D. must have been

4. I am surprised__ this city is a dull place to live in.

A that you should think

B by what you are thinking

C that you would think

D with what you were thinking

5. Nancy's gone to work but her car's still there. She ____ by bus.

A. must have gone

B. should have go

C. ought to have gone

D. could have gone

6. Which of the following sentences is a COMMAND?

A. Beg your pardon.

B. Have a good time.

C. Never do that again!

D. What noise you are making!

7. The sentence that expresses OFFER is _____.

A. I'll get some drinks. What will you have?

B. Does she need to book a ticket now?

C. May I know your name?

D. Can you return the book next week?

8.Which of the following sentences expresses WILLINGNESS?

A．By now she will be eating dinner.

B．I shall never do that again.

C．My brother will help you with the luggage.

D．You shall get a promotion.

9.Which of the following best explains the meaning of“Shall we buy the tickets first”?

A．He said that we were going to buy the tickets first．

B．He requested that we buy the tickets first．

C．He suggested that we buy the tickets first．

D．He advised us to buy the tickets first．

10. Which of the following is NOT an imperative sentence?

A. Let me drive you home, shall I?

B. You will mind your own business!

C. Come and have dinner with us.

D. I wish you could stay behind.

11. Which of the following sentences expresses a fact?

A. Mary and her son must be home by now.

B. Careless reading must give poor results.

C. It’s getting late, and I must leave now.

D. He must be working late at the office.

12. Which of the following sentences indicates POSSIBILITY?

A. The moon cannot always be at the full.

B. You cannot smoke inside the building.

C. He cannot come today.

D. She cannot play the piano.

13.When the sentence “Shall I drive you to the airport first?” is turned into indirect speech, which of the following is most appropriate?

A. He agreed to drive me to the airport first.

B. He offered to drive me to the airport first.

C. He advised me to go to the airport first.

D. He suggested that I drive to the airport first.

14. Loudspeakers were fixed in the hall so that everyone__ an opportunity to hear the speech.

A ought to have

B must have

C may have

D should have

测试（2）

1. He suggested _______ to tomorrow’s exhibition together.

A．us to go B．we went C．we shall go D．we go

2. It is highly desirable that a new president _______ for this college.

A．appointed B．be appointed C．is appointed D．has been appointed

4. It was essential that all the necessary documents _______ to the president's office being the end of this month.

A．be handed in B．must be handed in C．Should D．had been handed in

3. It was proposed that the matter _______ discussed at the next meeting.

A．will be B．has C．be D．would be

4. We desire that the tour leader _______us immediately of any change in plans.

A．inform B．informs C．informed D．has informed

5. The manager of the hotel requests that their guests _______ after 11:00 pm.

A．not to play loud music B．shouldn’t' t play loud music

C．don't play loud music D．couldn't play loud music

6. It is recommended that the project _______ until all the preparations have been made.

A．is not started B．will not be started C．not be started D．is not to be started

7. It is politely requested by the hotel management that radios _______ after 11 o'clock at night.

A．were not played B．not to play C．not be played D．did not play

8. I don't think it advisable that Tom _______ to the job since he has no experience.

A．is assigned B．will be assigned C．be assigned D．has been assigned

9.We are all for your proposal that the discussion_______.

A．be put off B．was put off C．should put off D．is to put off

10. Many a delegate was in favor of his proposal that a special committee _______ to investigate the incident. A．were set up B．was set up C．be set up D．set up

11. If the earth suddenly _______ spinning, we would all fly off it.

A．had stopped B．stopped C．has stopped D．would stop

12. I'm sorry Andy didn't want to go to the conference, _______ willing to go we would have paid all his expenses. A．being B．was he C．he had been D．had he been

13. Jean doesn't want to work right away because she thinks that if she _______ a job she probably wouldn't be able to see her friends very often.

A．has to get B．were to get C．had got D．could have got

14. _______ right now, she would get there on Sunday.

A．Would she leave B．If she leaves C．Were she to leave D．If she had left

15. If the whole operation _______ beforehand, a great deal of time and money would have been lost.

A．was not planned B．has not been planned C．had not been planned D．were not planned

16. The millions of calculations involved, had they been done by hand, all practical value _______ by the time they were finished.

A．had lost B．would have lost C．would lose D．should have lost

17. _______ before we depart the day after tomorrow, we should have a wonderful dinner party.

A．Had they arrived B．Would they arrive

C．Were they arriving D．Were they to arrive

18. Had he worked harder, he _______ the exams.

A．must have got through B．would have got through

C．would get through D．could get through

19. _______ for your laziness, you could have finished the assignment by now.

A．Had it not been B．It were not C．Weren't it D．Had not it been

20．_______ for my illness I would have lent him a helping hand.

A．Not being B．Had it not been C．Without being D．Not having been

21. _______ the help of their group, we would not have succeeded in the investigation.

A．Besides B．Regardless of C．But for D．Despite

22. _______ the storm, the ship would have reached its destination on time.

A．But for B. In case of C．In spite of D．Because of

23. The picture exhibition bored me to death. I wish I _______ to it.

A．have not gone B．did not go C．had not gone D．should not have gone

24. I wish I _______ longer this morning, but I had to get up and come to class.

A．could have slept B．slept C．might have slept D．have slept

25. Which of the following sentences contains subjunctive mood?

A. Lucy insisted that her son get home before 5 o’clock?

B. She used to drive to work, but now she takes the city metro.

C. Walk straight ahead, and don’t turn till the second traffic lights.

D. Paul will cancel his flight if he cannot get his visa by Friday.

26. If it _______ tomorrow, the match would be put off.

A. were to rain

B. was to rain

C. was raining

D. had rained

27．My boss ordered that the legal documents ____ to him before lunch．

A．be sent B．were sent C．were to be sent D．must be sent

28. It's getting late. I'd rather you _____ now.

A. left

B. Leave

C. are leaving

D. will leave

29.____ if I had arrived yesterday without letting you know beforehand?

A. Would you be surprised

B. Were you surprised

C. Had you been surprised

D. Would you have been surprised

30.If not ____ with the respect he feels due to him, Jack gets very ill-tempered and grumbles all the time.

A. being treated

B. Treated

C. be treated

D. having been treated

31.It is imperative that students ____ their term papers on time.

A. hand in

B. would hand in

C. have to hand in

D. handed in

32. If you explained the situation to your solicitor, he ________ able to advise you much better than I can.

A. would be

B. will have been

C. was

D. were

33. That was not the first time he ________ us. I think it’s high time we ________ strong actions against him.

A. betrayed…take

B. had betrayed…took

C. has betrayed…took

D. has betrayed…take

34. ________ you _______ further problems with your printer, contact your dealer for advice.

A. If, had

B. Have, had

C. Should, have

D. In case, have

35. If only I __play the guitar as well as you!

A would

B could

C should

D might

36 It's high time we __ cutting down the rainforests.

A stopped

B had to stop

C shall stop

D stop

37 It is imperative that the government __ more investment into the shipbuilding industry.

A attracts

B shall attract

C attract

D has to

38.If only the patient ______a different treatment instead of using the antibiotics, he might still be alive now.

A. had received

B. received

C. should receive

D. were receiving

39. If there were no subjunctive mood, English _____ much easier to learn.

A. could have been

B. would be

C. will be

D. would have been

40．My boss ordered that the legal documents ____ to him before lunch．

A．be sent B．were sent C．were to be sent D．must be sent

41. If it _______ tomorrow, the match would be put off.

A. were to rain

B. was to rain

C. was raining

D. had rained

42. It's getting late. I'd rather you _____ now.

A. left

B. leave

C. are leaving

D. will leave

D. You must complete the reading assignment on time.

43. Aren't you tired? I ____ you had done enough for today.

A. should have thought

B. must have thought

C. might have thought

D. could have thought

44. It is necessary that he ____ the assignment without delay.

A. hand in

B. hands in

C. must hand in

D. has to hand in

45.He would have finished his college education, but he _______to quit and find a job to support his family.

A. had had

B. has

C. had

D. would have

英语情态动词用法总结(完整)

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情态动词表猜测的用法

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①常见的情态动词有：can (could) ,may (might), must ,shall (should), will (would), dare (dared) , need等,另外,have to、had better也当作情态动词使用。情态动词后面必须加动词的原形。 ②can表示体力、脑力方面的能力或客观的可能性。口语中, 在询问或说明一件事可不可以做时,常用“can”代替“may”。情态动词“can”的过去式是“could”,否定式是“cannot”通常缩写成“can’t”,“could”的否定式是“could not”,通常缩写成“couldn’t”。如：Can I help you?(要帮忙吗？) / He can swim.(他会游泳) / That can’t be Mr Li.(那不可能是李先生) ③may表示允许、请求或可能性,用may提问时,肯定回答一般用Certainly或Yes,you may.;否定回答一般用can’t或mustn’t. 如：May I ask you a question?—Certainly.(可以问你一个问题吗？当然可以) / You may go now.(现在你可以走了) / It may be in your pocket.(它可能在你的衣袋里) ④must表示“必须”、“一定”的意思。表示“必须”时否定形式是mustn’t；表示“一定”时,否定形式是“can’t”如：We must be very careful when we cross the road.(我们过马路时一定要非常小心)/ It must be Jack.(那准是杰克)/ I haven’t seen Kate today. She can’t be here.(我今天没有看到过凯特,她不可能在这里) [注意]用must(必须)进行提问时,肯定回答用must,否定回答用needn’t；用must(一定)进行提问时,肯定回答仍用must,但是否定回答用can’t. 如：Must we clean the room before we leave? –Yes,you must.或No,you needn’t.(我们走之前必须要打扫房间吗？是的,必须打扫。/ 不,不需要。) / Must she be in the romm? –Yes,she must.或No,she c an’t.(她一定在房间里吗？是的,一定。/ 不,不可能在。) ⑤“have to”表示“不得不”、“必须”。We’ll have to leave now for it is very late at night. have to的疑问形式是：助动词+…+have to,否定形式是：助动词+not+have to或者用needn’t.如：Do you have to stay until 8 o’clock?(你得呆到8点钟吗？)/ You don’t have to do so.(=You nee dn’t do so.)(你不用这么做) ⑥shall在问句中,可表示征求对方意见,与第一人称连用；在陈述句的第二、三人称的主语后或表示“命令”、“警告”、“允许”等。如：Shall we go to the zoo this weekend?(我们这个周末去动物园好吗？) / He shall bring his own book next time.(他下次必须带自己的书来) ⑦should可表示“劝告”、“建议”、“惊奇”等意思。 We should speak to old people politely.(我们应该礼貌地对老人讲话) ⑧will表示“意愿”、“决心”等意思,一般与第二人称连用。如：Will you please close the door for me?(请你替我把门关上好吗？) / I will teach you a lesson.(我要教训你一顿) ⑨would表示过去的“意愿”、“决心”等。 He would sit near the fire every time he returned home.(每次他回到家中总要坐在火炉边) would也可以表示现在的情况,表达说话人向对方提出的要求,语气比“will”婉转、客气。在日常会话中,“我想要…”通常用“I would like to”或“I should(I’d) like to”来表示。如：Would you like to have a rest at the moment?(你现在想要休息一下吗？) would还可以表示过去经常发生的事情。如：Every year parents would tell their children about the boy who would save his people.(每一年父母们总是向孩子们讲述这个将会拯救他的人民的男孩的事) ⑩need表示“需要”,用于疑问句或否定句。“need”作实义动词时,在肯定、否定、疑问句中都可以用。如： He needn’t do it in such a hurry.(他不需要如此匆忙地做这件事) / He needs some help.(他需要一些帮助) / He doesn’t need to bring his football socks then.(那么他就无须带上足球袜了)

高考情态动词(完整版)

高考情态动词(完整版) 一、单项选择情态动词 1．Look! There are so many mistakes in your composition. You ________ have fixed full attention on it. A．can B．should C．need D．might 【答案】B 【解析】【详解】考查情态动词。句意：看！你的作文里有那么多的错误。你本应该把所有的注意力都集中在它上面的。表示“本应该做但实际上没有做”应该用should have done结构，can have done 表示可能；need表示需要；might have done表示可能做过某事；故选B。 2．Most of the top leaders expressed a common desire at the UN conference, ______ that different cultures ______ coexist with tolerance. A．the one ; must B．the one ; should C．one ; must D．one ; should 【答案】D 【解析】【详解】考查替代和情态动词。句意：大多数高层领导人在联合国大会上表达了一个共同的愿望，即不同的文化应该与宽容共存。大多数高层领导人在联合国大会上表达了一个共同的愿望，即不同的文化应该与宽容共存。替代表泛指的单数名词，通常用one替代。此处用one替代前面的a desire，是同位语；结合句意第二空用情态动词should“应该”。故选D。【点睛】 that ,it ,one 代指前面的名词时的用法 1.one 指代前面出现的可数名词，是泛指。可以和冠词连用，也可以有自己的定语。一般不能用做特指，但和定冠词连用时可以是特指。如： Please show me the cup, the red one on the shelf. 2.It 指代前面提到的单数名词，相当于the one。当one是泛指的时候，指的是同名异物，it是指同一物体.如： ----Do you want the cup ? ---Yes ,I want it. 3.that通常用来代替前面出现的可数名词\不可数名词,主要是用来避免重复。如： The weather of Guangzhou is hotter than that of Beijing. 3．Paul did a great job in the speech contest. He many times last week. A．need have practised B．might practise C．must have practised D．could practise 【答案】C 【解析】

情态动词的意义和用法

一、考点回顾 1、情态动词的基本用法 (1)can、be able to 和could ①can和be able to都表示能力，意思上没多大区别。 can只有现在和过去时，而be able to则有更多的形式。但当成功地完成某一具体动作时，通常不用could而用was/were able to来表示。这时was/were able to 相当于managed to，表示经过一番努力，终于能够完成某事。 ②can和could can和could都可以表示能力、技能、许可、建议或请求和可能性。但比较委婉客气地提出问题或陈述看法，一般用could，回答时则用can。 (2)may/might ①may/might表示可能，但may比might可能性大。 ②may/might表示“允许”，may用于现在时或将来时，might常用在间接引语中表过去时，但might也可用于现在时间，表示比较委婉的语气，回答用may。如： ③may / might 表示建议或请求，但might比may 更客气，意思更肯定而无过去时态的含义用may表示推测一般不用于疑问句，在疑问句中通常用can来代替。 May I ... 问句常见的肯定回答和否定回答。肯定回答 Yes, please.Certainly.Yes, of course.Sure.Go ahead, please. 否定回答 No, you can't. （最常见）No, you mustn't. （具有强烈禁止的意思） Please don't. You'd better not.I don't think you can.I'm sorry it's not allowed. （3）must ①must表示必须，应该，没有时态变化。 ②must表示肯定的推测。如： ③mustn’t 表示禁止做某事。如：（4）have to have to 表示“必须、不得不”，是由于某种外界（客观）原因而“必须”，“不得不”做某事，也可表示经常的或习惯性的事“必须”做。have to的否定形式表示不必。have to可用于多种时态中。如：（5）should / ought to ①should和ought to表示应当、应该，前者比后者语气轻。 ②should / ought to 表推测。 ③should / ought to的否定形式表示禁止之意。如： ④should可表示陈述意见，推出建议或请求；而ought to可以表示劝告之意。如：（6）will / would ①will 用于各种人称表示“意志”、“意愿”或“决心”等，否定式won’t + 动词。如： ②will用于疑问句中，常用在第二称时表示说话人向对方提出“请求”或“询问”如： ③will 表示习惯性的动作，有“总是”、“惯于”的含义。如： ④would 表示客气的请求、建议或意愿。如： ⑤would 表示过去反复发生的动作,总是会。（7）need need 作“必要”讲，既可作情态动词，也可作实义动词。作实义动词时后面的动词不定式要

人教版英语英语情态动词复习含答案解析

人教版英语英语情态动词复习含答案解析一、初中英语情态动词 1．—Look! The woman at the school gate ______be her headmaster. —No, it ______ be her. She is holding a meeting in the office now. A. must; can't B. must; mustn't C. can; needn't D. may; mustn't 【答案】 A 【解析】【分析】句意：——看！学校门口的那个妇女一定是她的校长。——不，不可能是她。第一空，must表示“一定”；空二，根据She is holding a meeting in the office now. 她现在正在办公室开会，可知，不可能是校长，用can't，表示不可能。故选A。【点评】考查情态动词辨析。注意不同情态动词的用法，注意理解句意。 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．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。 4．— 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。

新初中英语语法知识—情态动词的知识点(2)

一、选择题 1．—Doesn’t Frank like staying at home and looking after his little sister? —_______, but he ________ because both of his parents work. A．Yes; has to B．No; has to C．Yes; doesn’t have to D．No; doesn’t have to 2．You run with the train when i t is coming. It’s dangerous. A．may not B．mustn’t C．needn’t 3．-Listen! A wolf is crying! -It _______ be a wolf, because a wolf never comes out at this time. A．mustn’t B．needn’t C．can’t D．don’t 4．You have finished most of the work, so you ____ start working so early tomorrow. You may come at 9 :00. A．can't B．mustn't C．needn't D．couldn't 5．The designer has tried every possible way to make the robot light, so you _____ worry about its weight. A．must B．may C．can’t D．needn’t 6．---Mum, must I finish my homework today? ---No, you . Tomorrow is Sunday and you may have a rest today. A．shouldn’t B．mustn’t C．can’t D．don’t have to 7．A: Is Jim coming by train? B: I’m not sure. He _______ drive his car. A．must B．may C．need D．should 8．You look quite tired. You'd better ________ a good rest. A．stop to have B．stop having C．to stop to have D．to stop having 9．—I can't stop smoking, doctor. —For your health, I'm afraid you ________. A．must B．can C．may D．need 10．—I’d like ________ Guo Jingming’s Tiny Times. —You had better________ his books. The stories he tells are far from real life. A．buying, don’t read B．to buy, not read C．buying, not read D．to buy, not to read 11．—Tom, we’re going shopping at eight, right? —Yeah, but I ______ be a little late, so don’t wait for me. A．may B．should C．mustn’t 12．Even the top student can't work out this problem, so it________ be too difficult. A．must B．may C．can D．need 13．The milk tastes bad. You’d better_______. A．throw it away B．to throw it away

情态动词、各种时态

六年级英语专项练习：情态动词一、情态动词的定义：情态动词有词义，但它不能单独作谓语，它必须和其他动词一起构成谓语。情态动词没有人称和数的变化；它的后面必须跟动词原形。二、情态动词的种类：三、情态动词的用法及主要句型： 1、Can I help you? ——Yes, please. / No, thanks. 2、Can + 主语+ 动词原形? Yes, ～can. No, ～can’t. 3、Can I borrow your book?----Yes,of course. 4、Can I write on the book? ------No, you can’t\mustn’t. 5、Could \Can you help me?---- Yes,of course.\Certainly.\ Sure. 6、Could \Can you tell me the way to the Zoo? 7、May I come in ?----- Come in, please.

8、May I sit here?----- Yes, please.\Sorry, please don’t. 9、May I have some Coke?---- Yes, of course. 10、May/ Could / Can I speak to Tom? -----Speaking. Who’s calling? 11、should 、shouldn’t 表示劝告： 1) He should get up early. 2) She shouldn’t play computer game too much. 12、Should +主语+动词原形? Yes, ～should.\ No, ～shouldn’t. 13、表示建议“你愿意…吗” Would you like to go shopping with me? -----Yes, I’d love to. /I’d love to. But I’m busy now. 14、就餐用语Would you like something to eat\drink? ----Yes, I’d like… 15、shall用于第一人称(I, we), 可以表示“将”和表示建议“……好吗?” 1) Where shall we have dinner? 2) Shall we go fishing? -----All right. \OK. \Good idea. 16、Must + 主语+ 动词原形? ---Yes,～must.\No, ～needn’t. 四、相关练习： (一) 用适当的情态动词填空。 1. Must I borrow the book with my ID card? No, you ________. 2. ________ I use your car? Yes, you ________. 3. ________ I go home now? No, you _________ stay here. 4.My mother is ill. I _________ stay at home and look after her.

【英语】情态动词的归纳

【英语】情态动词的归纳一、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 ________ be the postman at the door. It's only six o'clock. A．mustn't B．can't C．won't D．needn't 【答案】B 【解析】 D[考查虚拟语气。句意：不可能是邮递员在门口，才六点钟呢。mustn't 禁止，不允许；can't 不可能；won't 不愿意，就是不，偏不；needn't 不需要。] 3．Keep up your spirits even if you _____ fail hundreds of times. A．must B．need C．may D．should 【答案】C 【解析】【详解】考查情态动词。A. must必须；B. need需要；C. may可能，或许；D. should应该。句意：即使失败了几百次，也要振作起来。此处表示一种不确定的推测，故选C。 4．--- Oh, my God! I just missed the last bus back home. --- That’s really bad. I’m sure you ______ it, but you just didn’t hurry up. A．had caught B．could have caught C．could catch D．can catch 【答案】B 【解析】【详解】考查情态动词+have done结构。句意：——哦,我的上帝!我刚好错过了回家的末班车。——这是非常糟糕的。我肯定你能赶上，但你就是不抓紧。could have done“本来能做而没有做”。故选B。

初中情态动词用法总结

专项：情态动词一考点：情态动词的用法和辨析，情态动词表示推测和可能，由情态动词引导的一般疑问句的回答。二类型：1 只是情态动词：can, could, may, might, must 2 可做情态动词，可做实义动词：need, dare 3 可做情态动词，可做助动词：will, would, shall, should 4 特殊：have to, ought to, used to 三特征：1 有一定的词义，但不能单独作谓语，必须与行为动词和系动词连用构成谓语。 2 无人称和数的变化。（have to 除外） Eg: He has to stay here. 3 后接动词原形。 4 具有助动词作用，可构成否定，疑问或简短回答。四用法： 1. can ①表示能力，“能，会”。Eg : Can you play basketball? ②表示怀疑，猜测，常用于否定句或疑问句。 Eg :Li hua can’t be in the classroom. ③表示请求，允许，多用于口语，译“可以”= may. Eg: you can go now. ④can 开头的疑问句，肯定句，否定句用can或can’t. 2.could①can 的过去式，表示过去的能力。 Eg :I could swim when I was seven years old. ②could 开头的疑问句，肯定和否定回答用could, couldn’t如果could 表示现在的委婉，用can 回答。 Eg: Could I have a drink? Yes, you can. 3.may①表示推测，“可能，也许”，用于肯定句。 Eg: He may come tomorrow. ②表示请求，“许可,可以”。Eg: May I borrow your book? 注：表示请求，许可时，主语为第一人称的一般疑问句，否定回

情态动词二

Modal Verb（II）一、ought to的用法 Ought没有时态和人称的变化，后面须跟带to的不定式。（1）用于第一人称，表示有责任或有必要去做某事，与should相比，语气较弱； We ought to be more careful with our homework. （2)用于第二人称，表示建议或劝告； You ought to give up smoking. （3）用于第三人称，表示对现在或将来某种肯能性的推测，且这种推测是可信的； He ought to come at once。二、need的用法 Need既可作实义动词，也可作情态动词。作情态动词时，表“需要、有必要”，无人称和数的变化；多用于疑问句、否定句和条件状语从句中。 You needn’t come early. Need I tell you everything that has happened to me? Yes, you must/have to. No,you needn’t. 三、dare的用法（1）dare 既可作实义动词，也可作情态动词。作情态动词时，表“敢......”，无人称和数的变化；多用于疑问句、否定句、条件状语从句以及表示怀疑的名词性从句中。 I dare not walk through the wood at night. If you dare speak to me like that again，you’ll be sorry. （2）dare作实义动词时，在否定句中不定式符号to也可以省略。 The children don’t dare to make a sound while their parents are sleeping. 四、情态动词+have done结构的用法（1）may/might/must have done:表示对过去情况的推测或估计，表“想必或肯定（已经）做了某事；I must have seen you somewhere. （2）could have done：表示本来能够做却没有做某事 can/couldn’t have done:表示对过去情况的否定性推测，表示不可能已经做了某事； The train has left. You could have got up earlier. I can/couldn’t have lost my key. (3)should/ought to have done:表示本应该做而实际未做 shouldn’t/oughtn’t to have done:表示本不应该做而实际已经做了 I should have told you the bad news. You shouldn’t have let anyone else know the secret. (4)need have done:表示本需要而实际未做 needn’t have done:表示本不必做某事而实际做了 You needn’t have dressed so formally. 注意区分情态动词+not的真正含义： may或许，可能，可以may not或许不，可能不 might可能，可以might not可能不 can能够，可能，可以can’t/can not不能，不可能 must必须，一定mustn’t不许，禁止 should应该shouldn’t不应该 need需要needn’t不必

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