1、學習好資料歡迎下載情態動詞1. can (could)1)表示能力，could主要指過去時間。Two eyes can see more than one.兩只眼比一只眼看得清。Could the girl read she went to school?這女孩上學前能識字嗎？2)表示可能(理論上或是邏輯判斷上)。The temperature can fall to - 60 C , that is 60 C below freezing.氣溫可降至一60 C,也就是零下 60 CoHe can ' t (couldn ' t) have enough money for a

2、 new car.他不可能有足夠的錢買新車。You mustn't smoke while you're walking around in the wood. You could start afire.在林子里走時勿吸煙，那樣可能會引起火災。3)表不允許。Can I have a look at your new pen?我可以看一看你的新鋼筆嗎？He asked whether he could take the book out of the reading-room.他問他可不可以把書帶出閱覽室。4)表驚異、懷疑、不相信等態度。主要用于否定句、疑問句或感嘆句中。Whe

3、re can (could) they have gone to?他們會去哪兒了 呢?He can' t (couldn ' t) be over sixty.他不可能超過六十歲。How can you be so careless?你怎么這么粗心？5)比較委婉客氣地提出問題或陳述看法。Can (Could) you lend me a hand?幫我一把好嗎？I' m afraid we couldn ' t give you an answer today.恐怕我們今天不能給你答復。2. may (might)1)表允許，might可以指過去時間，也可指現在

4、時間，語氣更委婉。You may take whatever you like.你喜歡什么就拿什么。He told me that I might smoke in the room.他告訴我可以在房間里抽煙。May (Might) I ask for photo your baby?我可以要一張你寶寶的照片嗎？ 在回答以may引起的問句時，多避免用這個詞，而用其它方式，如Yes, please. / Certainly./ Please don ' t ./ You ' d better not. / No, you mustn ' t.等，以免顯得太嚴峻或不 客氣。

5、2）表可能（事實上）。可以指過去時間，也可以指現在時間，但語氣更加不肯He may be at home.他可能在家。She may not know about it.她可能不知道這件事。He was afraid they might not agree with him.他擔心他們可能不同意他的意見。They might be having a meeting, but I' m not sure.他們有可能在開會，不過我不肯定。3. must1）表示義務。意為“必須”（主觀意志）。We must do everything step by step.我們一切都必須循序漸進地做。

6、You mustn ' t talk to her like that.你不可能那樣對她說話。-Must we hand in our exercise books now?我們現在就要交練習本嗎？-No, you needn' t. / No, you don' t have to. 不必。（這種情況下，一般不用mustn't）2）表示揣測。意為“想必、準是、一定”等，只用于肯定句。He must be ill. He looks so pale.他準是病了。他的臉色蒼白。She' s wearing a diamond necklace. She m

7、ust have a lot of money.她戴著鉆石項鏈，一定很有錢。4. shall1）表征詢意見，用于第一、第三人稱疑問句。Shall I get some tea?我給你點茶好嗎？Shall the boy wait outside?讓那男孩在外面等嗎？What shall we do this evening?我們今晚做什么？2）表說話人的意愿，有“命令、允諾、警告、決心”等意思，用于第二、第三人稱陳述句。You shall do as I say.按我說的做。（命令）You shall have my answer tomorrow.你明天可以得到我的答復。（允諾）He sha

8、ll be sorry for it one day, I tell you.有一天他會后悔的，我告訴你。（警告）Nothing shall stop us from carrying out the plan.什么也不能阻止我們執行這項計劃。（決1）5. will1）表意愿，用于各種人稱陳述句。I will do anything for you.我愿為你做任何事。None is so blind as those who won ' t see.不愿看的人眼最瞎。If you will read the這本書，我會把它借給你。2）表請求，用于疑問句。Will you close t

9、he window? It ' s a bit cold.請你把窗戶關上好嗎？有點冷。Wori t you drink some more coffee?再來一點咖啡好嗎？3）表示某種傾向或習慣性動作。Fish will die out of water.魚離開水就不能活。The door won ' t open.這門打不開。The boy will sit there hour after hour looking at the traffic go by.那男孩常常坐在那里好幾個鐘點，看著車輛行人通過。6. should1）表義務。意為“應該”（某件事宜于做），用于各種人

10、稱。You should be polite to your teachers.你對老師應該有禮貌。You shouldn ' t waste any time.你不應該浪費時間。2）表推測，意為“想必一定、照說應該、估計”等。The film should be very good as it is starring first-class actors.這部新電影是一流演員主演的，估計拍得很好。They should be home by now.照說他們現在應當已經到家了。7.would1）表意我說過我愿意為你做任何事。再來杯啤酒好嗎？請把窗戶擦一下好嗎?I said I wou

11、ld do anything for you.2）表委婉地提出請求、建議或看法。Would you like another glass of beer?Would you mind cleaning the window?They wouldn ' t have anything against it.他們不會有什么反對意見。3）表過去反復發生的動作或過去的一種傾向。Every time she was in trouble, she would go to him for help.她每遇到麻煩都會向她求助。他告訴我盒子打不開了。8. ought to1）表義務，意為“應該”（因責

12、任、義務等該做），口氣比should稍重。You are his father. You ought to take care of him.你是他父親，應當管他。You oughtn ' t to smoke so much.你不應該抽這么多煙。2）表推測，暗含很大的可能，語氣較弱。Han Mei ought to know his telephone number.韓梅該知道他的電話號碼。There ' s a fine sunset; it ought to be a fine day tomorrow.今天有晚霞，明天應該是個好天。9. used to表示過去的習慣動作

13、或狀態，現在不復發生或存在。疑問式和否定式有兩種。He used to live in the countryside, but now he lives in the city.他過去住在鄉下,現在住在城里。There used to be a building at the street corner, bn.街道拐角處過去有座樓房，現在拆了。I usedn ' t （didn ' t use） to smoke.我過去不抽煙。Used you （Did you use） to go to school on foot?你過去常步行去學校嗎？（一）need和dare的用法n

14、eed和dare既可用作情態動詞，也可用作實義動詞。用作情態動詞時，主要用于 否定句和疑問句。用作實義動詞時，可用于各種句式。1 .用作情態動詞-Need I come? -Yes, you must. -我需要來嗎？-需要。You needn ' t telephone him now.你現在不必打電話給他。我想你不必發愁。I don ' t think you need worry.She dare not go out alone at night.How dare you say I ' m unfair?Not one of them dared mentio

15、n this.2.用作實義動詞You don ' t need to do it yourself.We need to tell them the news.The table needs painting (to be painted.).We should dare to give our own opinion.He did not dare (to) look up.I dare day he ' ll come again.(I dare say 為固定習語)(二)情態動詞后跟完完成這項工作的。她晚上不敢一個人出去。你竟敢說我不公平？他們誰也不敢提這件事。你不必親自

16、做這件事。我們需要把這消息告訴他們。桌子需要油漆一下。我們要敢于提出自己的觀點。他不敢抬頭看。我想他會再來的。He isn ' t here. He must have missed the train.他還未到，一定是沒趕上火車。Where can (could) he gone?他能到那里去了呢？You may (might) have read about it.你可能在報上已經讀到這件事了。You could (might) have been more careful.你本來可以更細心的。He needn ' t have worried it.他本不必為此事擔心。T

17、here was a lot of fun at yesterday's party. You ought to have come, but why didn't you?昨天的聚會非常有意思。你本應該來，為何不來呢？2.情態動詞后跟進行式，表示“想必正在”，"可能正在”，“應當正在”等意。現在是十二點。他們一定正在吃It ' s twelve o ' clock. They must having lunch.飯。They may be discussing problem.他們可能正在論討這個問題。He can ' t be tellin

18、g the truth.他說的不可能是真話。她不應當那樣干，她She shouldn ' t be working like that. She ' s still so weak.身體仍那么虛。主要情態動詞的的辨異1. can 和 be able to1）情態動詞can只有兩種時態形式，現在式can和過去式could ,而be able to有多種時 態形式。Mary can play the piano. She has been able to play it since she was 5.瑪麗會彈鋼琴。她五歲起就會彈了。2）用在過去時中，could經常表示能夠做某事，

19、事實上不一定去做，而 was/ were able to 則表示“過去做成了某事"。在否定句中兩者可通用。He couldm across the English Channel. But he didn't feel like it that day.他能游過英吉利海峽，但那天他不想游。Yesterday I was able to get home before the heavy rain.昨天我在下大雨前趕至 U了家里。2. must 和 have tomust表示主觀意志，而 have to表示由于客觀因素不得不做某事。must沒有過去式，除在間接引語中可用把一切準

20、備就緒。3. would 和 used to1） used to表示過去與現在或過去某時與后來的情況有不同，而 would只表過去的情況。People used to think that the earth was flat.過去人們認為地球是平的。（現在人們不這么認為。）She would go out for a walk in the morning when she was in the country.在鄉下時，她總是在早晨去散會兒步。（可能現在仍有散步的習慣。）2） used to可表示過去的習慣動作和經常的情況，而 would只表示過去的習慣動作。He used to / wo

21、uld smoke while writing.過去他寫東西時常抽煙。She used to be fat.她過去很胖。1. I you, because I I must be wrong.A. dare not ask B. dare not C. dare not askingD. dare to not ask2. There some flowers in the garden.A. were used to be B. used to be C. uses to be D. used to be having3. "I take it out?""I&

22、#39;m sorry, you."A. Could .couldn'tB. Might.might notC. Could.can D.May.can't4. You were stupid to climb tree. You hurt yourself.A. may didn't youA. should post B. should have postedC. must have postedD. oughtto post.6. All the lights are on, miths up.A. must get B. is gettingC. mu

23、st be gettingD. would get7. He lead a but he not make it drink.A. will.canB. may.can C. may.dares D. dare.can8. "Need we do this job now?""Yes,."A. you need B. you should C. you must D. you can 9.to have lunch with us today?A. Do you likes B. Would you like C. Will you liked D. H

24、ave you liked 10. He said that you watch TV all the evening if you wished.A. may B. must C. can D. might11. -Is John coming by train?-He should, but he not. He likesdriving his car.A. must B. can C. need D. may12. Peter come with us tonight, but he isn't very sure yet.A. must B. can C. may D. will13. Michael be a policeman, for he's much too short.A. needn'tB. can't C. shouldn'tD. won't14. I thought yo