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高中英语情态动词与虚拟语气

高中英语情态动词与虚拟语气
高中英语情态动词与虚拟语气

情态动词与虚拟语气

【语法要点】

情态动词

所谓情态动词是指它含有一定的含义,可以表达某种感情和说话的语气,但是它不可以单独使用作谓语动词。学习情态动词主要学习英语国家的语言习惯和表达法,特别是在口语中不要过分追求原理,更不要不根据说话场合而进行推理,编造出一些语法结构正确的中文式英语。

一、情态动词的类型

1.只作情态动词的有:must、can、could、may、might、ought to

2.既可作情态动词又可作实义动词的有:need、dare

3.既可作情态动词又可作助动词的有:shall、should、will、would

二、情态动词的特征

1.表示说话人的情感态度,不能单独作谓语,与行为动词或连系动词一起作谓语。

2.情态动词没有人称和数的变化,后接动词原形。

3.具有助动词的特征:可用来构成否定句、疑问句或简短答语。

三、情态动词的用法

1.表示能力

(1)表示现在的能力,用can或be able to。表示一般的能力时多用can,表示“经过努力成功的做成某事”用be able to。

(2)表示过去的能力,用could或was/were be able to。区别同上。

(3)表示将来的能力,用will be able to。

2.表示推测、可能性

(1)can用在肯定句中表示客观的可能性,而不表示具体事情实际发生的可能性。

例如:Accidents can happy on such rainy days.

(2)表示具体事情实际发生的可能性的情态动词,其表示可能性的层次如下表:

情态动词肯定式否定式疑问式

must 必定、必然、一定

will 很可能、大概不会、不该会……吗?

would 可能性较will小不会、不该(较won’t弱)会……吗?(较will弱)

should 应该会、理应(表示合乎理想的情况或结果)

ought to 与should同义

can 一定不会、不可能(否定推测)有可能吗?

could 可疑的可能不可能(与can’t同义)有可能吗?(较can弱)may 或许、可能、说不定可能不

might 或许、可能(较may弱)可能不(较may not弱)

注意→(1)may,must常用于肯定句,一般不用于否定句和疑问句。

(2)can常用于否定句,疑问句和感叹句中,表示疑惑、惊讶或不相信等意思。could既可用于肯定句,又可用于否定句、疑问句中。

(3)would、could、should、might并不一定与过去时间有关,而是表示可能性弱于其相对应的现在时形式。

3.表示请求、允许、允诺

(1)当你(们)代表你(你们)自己(I、we)或第三者(he、she、they)向对方(you)即决策者请示或提出建议时,使用:

①shall/may/might/can/could I/We…?

②Shall he(she/they)…?

③Would/Will/Could/Can yo u…?

could、might、would并不表示过去时间,而表示更委婉的语气。在回答could/might客气的请求时,肯定回答用can/may。否定回答用No, I am afraid not.。

(2)当自己(I)作为决策者,给对方(you)或第三者(he、she、they)以命令、警告、允诺或威胁时,以及在宣布法律、规定时,使用shall。

4.表示必要性

(1)must表示必要性,意为“必须”

“must+动词原形”表示现在或将来必须做某事。

“don’t have to、don’t need to、needn’t to+动词原形”表示现在或将来不必做某事。

“needn’t have done sth.”表示过去本没有必要做某事,但事实上已做过了。

“didn’t have/need to+动词原形”表示过去本没有必要做某事。而实际上也没有做。

(2)should表示必要性,意为(义务上)应该,语气较must弱。

“should+动词原形”表示现在或将来应该做某事(的必要性)

“should+have+过去分词”表示过去本应该做某事(的必要性),但实际过去未做。

5.情态动词+have done用法一览:

情态动词+have done用法

must have done 对过去已发生行为的肯定推测,意为:一定已做了某事。

can’t have done 对过去已发生行为的否定推测,意为:过去不可能发生过某事。Ca n…have done? 对过去已发生行为的怀疑,意为:有……可能吗?。

could have done

用于肯定句表示:可能已经……,还可表示过去存在的可能性,但过去并未实现,意为:本来可以……。用于否定句或疑问句中时与can’t have done/ca n…have done?的意义相同,但语气稍弱。

may/might have done

对过去已发生行为的没有把握的推测,意为:也许已经/没有……,一般只用于肯定句或否定句,不用于疑问句,might语气更加不肯定。

might have done

过去本来可能……,但实际并未发生过。还可表示:本来应该或可以做……,含轻微的责备语气。注意不能用may。

should/ought to have done

用于肯定句表示过去本应该做某事,而实际上未做。用于否定句表示过去本不该做某事,而实际上做了。

needn’t have done 本来不必做某事,而实际已做了。

would rather have done 宁愿过去做了或没做某事,两者都表示后悔。would like/love to have done 过去本愿意或本打算做某事,而实际未做成。

6.情态动词的其他用法

(1)cannot及never等否定词与enough、too连用表示再……也不过分。

例如:You cannot be careful enough. 你无论多细心也不为过。

(2)may well+动词原形,意为:完全能,很可能,大可……。may as well = had better 最好may as well+动词原形+as+动词原形,意为:与其……不如;最好……不要。

例如:You may well say so.你当然可以这样讲。

We may as well stay where we are. 我们最好是留在原处。

You might as well throw your money away as lend it to him。你要借给他钱,不如把钱扔了。

(3)should的其它用法。请看下面的句子:

1)I should think it would be better to try it again. 我倒是认为最好再试一试。

2)You are mistaken , I should say. 依我看,你是搞错了。

3)This is something I should have liked to ask you.这是我本来想问你的。

以上例句表明:情态动词should用于第一人称可以表示说话人的一种谦逊、客气、委婉的语气。

should还可以用在if引导的条件从句,意为“万一”。从句谓语由should+动词原形构成,主句谓语却不一定用虚拟语气。例如:

4)Ask her to ring me up if you should see her.你万一见到她,请让她给我打个电话。

5)If you should change your mind , please let us know. 万一你改变主意,请通知我们。

why/how +should结构表示说话人对某事不能理解,感到意外、惊异等,意为:竟会,怎么会……。例如:Why should you be so late today?你竟然来的这么晚?How should I know?我怎么会知道。

(4)must表示偏要,硬要做某事。例如:If you must know, I’m twice my son’s age.

(5)dare的用法

1)dare用作情态动词和动词原形连用,没有人称和数的变化。多用于否定句、疑问句和条件句中,用于一般现在时和一般过去时。(过去式dared,否定式dare/dared not do)2)dare用作实义动词(后跟不定式、不定式多带to)。(否定式do/does/did not dare to do)例如:The litter girl dare not go out in the dark at night.

I dare say.(我敢说、可能、或许)

(6)当用于各种人称时,will和would不仅可以将来时,而且可以表示有做某事的意图、意愿、决心、或打算。

(7)shall 用于第一、第三人称疑问句中,表示说话人征求对方的意见或向对方请示。

例如:When shall we be able to leave the hospital?

(8)shall用于第二、第三人称,表示说话人给对方的命令、警告、允诺或威胁。例如:

You shall fail if you don’t work harder. (警告)

He shall have the book when I finish reading. (允诺)

He shall be punished.(威胁)

虚拟语气(Subjunctive mood)

虚拟语气表示说话人的愿望、假设、猜测或建议,而不表示客观存在的事实。虚拟语气通过谓语动词的特殊形式来表示。

(一)虚拟语气用于条件状语从句。

虚拟条件句谓语动词的构成形式:

条件状语从句(if)(以do为例)主句

与现在事实相反did(be→were)would/should/could/might do

与过去事实相反had done would/should/could/might have done

与将来事实相反A:did(were)

B:were to do

C:should do

would/should/could/might do

例如:

If I were you, I should study English.

If you had taken my advice, you wouldn’t have failed in the examination.

If you come tomorrow, we would have the meeting.

If it were to rain tomorrow, the meeting would be put off.

1.不定式的完成时可表达与过去事实相反的假设。例如:

To have studied harder, you would have passed the exam.

2.当条件状语从句表示的行为和主句表示的行为所发生的时间不一致时,动词的形式要根据它所表示的时间来调整。例如:

If you had worked hard, you would be very tired now. (从句说的是过去,主句指的是现在)

3.以上句型可以转换成下列形式。例如:

1)省略if , 用“were、had、should +主语”。

Were I in school again, I would work harder.

Had you been here earlier, you would have seen him.

Should there be a meeting tomorrow, I would come.

2)用介词短语等代替条件状语从句(without、but for、otherwise、or、but等)。例如:

Without air, there would be no living things.

I was ill that day. Otherwise, I would have taken part in the sports meeting.

3)用其它方式表示。例如:

It would produce bad results to do that. =If you have done that, it would produce bad results.

(二)虚拟语气用于宾语从句

1.“wish +宾语从句”表示不能实现的愿望。表示现在不能实现的愿望,从句的谓语动词用did(be →were);表示过去不能实现的愿望时用had done或could/would +have done;表示将来不能实现的愿望用would/could do。例如:

I wish it were spring all the year round. I wish you could go with us.

We wish we had arrived there two hours earlier.

注意→would rather+宾语从句表示一种主观愿望。例如:

I would rather you came to my party tomorrow.

I would rather you had not gone there.你要是没去那里就好了。

2.虚拟语气在某种欲望的动词arrange、command、demand、desire、insist、order、propose、request、require、suggest(建议)、advise、prefer、agree、expect、intend、recommend、ask、decide、object、persist、determine、urge等后面的宾语从句中用“(should)+动词原形”。例如:We insisted that they (should) go with us.

The doctor ordered that they (should) stay in bed for a few days.

注意→①当insist意为“坚持认为”时宾语从句用陈述语气。当insist意为“坚决要求”时宾语从句用虚拟语气。例如:Mike insisted that he had never stolen anything.

②suggest作“暗示”讲用真实时态,如:The white look on his face suggested that he was ill.

(三)虚拟语气用于表语从句、同位语从句

作advise、idea、order、demand、plan、proposal、suggestion、request等名词的表语从句和同位语从句,其谓语动词要用虚拟语气的结构“(should)+动词原形”。例如:

We all agreed to his suggestion that we (should)go to Beijing for sightseeing.

My idea is that we (should) do exercises first.

(四)虚拟语气在as if (as though)、even if (even though)等引导的表语从句或状语从句中的应用如果从句表示的动作发生在过去,用过去完成时,指现在状况,则用过去时,指将来则用过去将来时。例如:

He speaks English so fluently as if he had studied English in England.

Even if he were here, he could not solve the problem.

(五)虚拟语气用于主语从句

在主语从句中,谓语动词的虚拟语气结构用“should+动词原形”的结构,表示惊讶、不相信、惋惜、理应如此等。例如:

It is necessary (important、natural、essential、urgent、surprising,etc)that we should clean the room everyday.

It was a pity (a shame、no wonder , etc) that you should be so careless.

It will be desired (suggested、decided、ordered、requested、proposed,etc) that she should finish her homework this afternoon.

在上述三种主语从句中,should意为“应该”,“竟然”,可以省去,但不可换用would。主句所用动词的时态不限。这种表示的是事实。如果说话人对这种事实表现出惊奇的情感,就可用虚拟语气。反之,that从句也可用陈述语气。例如:It is a strange that he did not come yesterday.

(六) 虚拟语气用于定语从句

这种从句常在It is (high) time (that)…句型中,定语从句的谓语动词用过去式,意为“(现在)该……”。例如:It is (high) time we left.

(七)虚拟语气用于If/If only/suppose/supposing/Oh, that/Would(that)/ Would to

God(that)/Wish to Heaven(that)等+主语的句中,其后的宾语也分为现在时(be—were,do—did),过去时(had +p.p.),将来时(would/ should/could+动词原形)。如:

Would that I were young again!我要是能返老还童就好了!

If only I knew the answer!我要是知道答案就好了!

Suppose/Supposing it were fine tomorrow, I would go swimming with you.

情态动词和虚拟语气在高考大纲中的要求是学习资料

情态动词与虚拟语气 (1)情态动词的基本用法:①can与be able to的区别;②must与have to的区别;③shall的用法;④should的用法;⑤used to与would的用法;⑥may与might 的用法;⑦need与dare的用法; (2)情态动词表推测:①对现在和将来情况的推测;②对过去情况的推测; (3)虚拟语气的用法:①条件从句及含蓄条件引出的虚拟语气(but for, without, otherwise等);②wish后跟宾语从句中的虚拟语气;③if only, as if/though, would rather, It's high time后跟从句中的虚拟语气;④表示“建议,要求,命令,坚持”等词后跟从句中的虚拟语气。 注意几个考点: must“非得,偏要”, 用于疑问句或条件从句中; shall用于第二、三人称表示警告、命令、威胁、允诺、规定等; should“竟然” cannot...too/enough表示“无论……也不过分”;“越……越好” May you succeed!祝你成功! may/might as well+动词原形”意为“最好,倒不如” must强调主观方面的必须否定形式是needn't/don't have to have to表示“不得不,必须”,强调客观因素所迫而必须去做的事情 would可以表示过去的习惯性动作,比used to正式,但没有“现已无此习惯”的含义 ※shall的用法 (1)用于第一、第三人称疑问句中,表示说话人征求对方的意见或向对方请示。 Shall I go out for a walk after supper? 晚饭后我可以散散步吗? (2)用于第二、第三人称陈述句中,表示说话人给对方的命令、警告、允诺或威胁,或用于正式法律、条规中。 —Will you read me a story, Mummy? —OK. You shall have one if you go to bed as soon as possible.[摘自2011·陕西高考] ——妈妈,给我讲个故事好吗? ——好的,如果你尽快上床睡觉我就给你讲一个。 ※should的用法 (1)表示一种“义务或职责”,通常理解为“应该”。 You should take the medicine with a full glass of water. 你应该用满满一杯水来服这种药。 (2)表示惊奇、赞叹、不满等情绪。 It never occurred to me that she should lie to me again. 我从来没有想到她竟然又骗我。

情态动词与虚拟语气

情态动词与虚拟语气 【语法要点】 情态动词 所谓情态动词是指它含有一定的含义,可以表达某种感情和说话的语气,但是它不可以单独使用 作谓语动词。学习情态动词主要学习英语国家的语言习惯和表达法,特别是在口语中不要过分追求原理,更不要不根据说话场合而进行推理,编造出一些语法结构正确的中文式英语。 一、情态动词的类型 1.只作情态动词的有:must、can、could、may、might、ought to 2.既可作情态动词又可作实义动词的有:need、dare 3.既可作情态动词又可作助动词的有:shall、should、will、would 二、情态动词的特征 1.表示说话人的情感态度,不能单独作谓语,与行为动词或连系动词一起作谓语。 2.情态动词没有人称和数的变化,后接动词原形。 3.具有助动词的特征:可用来构成否定句、疑问句或简短答语。 三、情态动词的用法 1.表示能力 (1)表示现在的能力,用can 或be able to。表示一般的能力时多用can,表示“经过努力成功 的做成某事”用be able to。 (2)表示过去的能力,用could或was/were be able to。区别同上。 (3)表示将来的能力,用will be able to。 2.表示推测、可能性 (1)can 用在肯定句中表示客观的可能性,而不表示具体事情实际发生的可能性。 例如:Accidents can happy on such rainy days. (2)表示具体事情实际发生的可能性的情态动词,其表示可能性的层次如下表: 情态动词肯定式否定式疑问式 must 必定、必然、一定 will 很可能、大概不会、不该会,,吗? would 可能性较will 小不会、不该(较won’t 弱)会,,吗?(较will 弱) should 应该会、理应(表示合乎理想的情况或结果) ought to 与should 同义 can 一定不会、不可能(否定推测)有可能吗? could 可疑的可能不可能(与can’t 同义)有可能吗?(较can 弱)may 或许、可能、说不定可能不 might 或许、可能(较may 弱)可能不(较may not 弱) 注意→(1)may,must 常用于肯定句,一般不用于否定句和疑问句。 (2)can 常用于否定句,疑问句和感叹句中,表示疑惑、惊讶或不相信等意思。could 既可用于肯定句,又可用于否定句、疑问句中。

情态动词虚拟语气练习及答案

@ 情态动词和虚拟语气 1. Jack descried his father, who ________a brave boy many years ago, as a strong-wiled man A. would be B. would have been C. must be D. must have been ) 2. —Good morning. I've got an appointment with Miss Smith in the Personnel Department. —Ah, good morning. You _______ be Mrs. Peters. A. might B. must C. would D. can recommend parents _______ their children under 12 to ride bicycles to school for safety. ~ A. not allow B. do not allow C. mustn’t allow D. couldn’t allow 4. You_______ buy a gift, but you can if you want to. A. must B. mustn't C. have to D. don't have to 5. —I haven’t got the reference book yet, but I’ll have a test on the subject next month. —Don’t worry. You________ have it by Friday. A. could B. shall C. must D. may w_w w. k#s 6. I have told you the truth I keep repeating it A. Must B. Can C. May D. Will ~ 7. Doctors say that exercise is important for health, but it _______ be regular exercise. A. can B. will C. must D. may 8. Just be patient. You ________ expect the world to change so soon. A. can’t B. needn’t C. may not D. will not 9. I’m afraid Mr. Harding ________ see you now. He’s busy. A. can’t B. mustn’t C. shouldn’t D. needn’t 10. I _______ have watched that movie—it’ll give me horrible dreams. A. shouldn’t B. needn’t C. couldn’t D. mustn’t < 11. –May I take this book out of the reading room –No, you . You read it in here. A. mightn’t B. won’t C. needn’t D. mustn’t 12. —Sorry, Professor Smith. I didn't finish the assignment yesterday. — Oh, you _________ have done it as yesterday was the deadline. A. must B. mustn't C. should D. shouldn't 13. — _______ I take the book out —I'm afraid not. *

高考情态动词与虚拟语气考点

情态动词与虚拟语气 常考考点一情态动词+have done 情态动词+have done 表示对过去的虚拟

1.I have watched that movie it’ll give me horrible dreams. A.Shouldn’t ’t ’t ’t 2.Mark have hurried. After driving at top speed, he arrived half an hour early. ’t ’t ’t ’t , Professor Smith. I didn’t finish the assignment yesterday. -----Oh, you have done it as yesterday was the deadline. 、 ’t ’t

have been Tom that parked the car here, as he is the only one with a car. 5. He didn’t regret saying what he did but felt that he it differently. express B. would express have expressed have expressed 6. -----I’m sorry. I at you the other day. ------Forget it, I was a bit out of control myself. ’t shout ’t have shouted is my dictionary I remember I put it here yesterday. # -------You it in the wrong place. A.must put B. should have put put have put 8. The weather turned out to be fine yesterday, I the trouble to carry my umbrella with me. have taken have taken ’t have taken D. mustn’t have taken 9. As you worked late yesterday, you have come this morning. ’t ’t ’t ’t did you do on the driving test ---------Not so well. I much better, but I was too nervous. do have done ’t have done D. should do

2018年高考英语真题分类汇编 专题06 情态动词和虚拟语气 含答案

专题六情态动词和虚拟语气 1.【2015·北京】29.—Can’t you stay a little longer? —It’s getting late. I really _____go now, My daughter is home alone. A .may B .can C . must D .dare 【答案】C 【解析】 试题分析:句意:——你不能再多待会儿吗?——很晚了,我必须得走了.我女儿一个人在家.A. may可能,可以,也许;B. can能,会;C. must必须,必然要,必定会;D. dare敢,胆敢.结合句意,故选C. 【考点定位】考查情态动词辨析 【名师点睛】本题是考查情态动词,这里考查的是语气的强度,在这里结合语境是“一定”的意思,所以要做好此类辨析题需掌握情态动词选项的语气并结合语境. 2.【2015·北京】34. If I _____it with my own eyes ,I wouldn’t have believed it. A . didn’t see B. weren’t seeing C. wouldn’t see D. hadn’t seen 【答案】D 【解析】 试题分析:句意:如果不是我亲眼看到,我不会相信.根据后半句wouldn’t have believed 可以判断是对过去的虚拟.所以从句是if+主语+ had+done的形式.故选D. 【考点定位】虚拟语气 【名师点睛】条件句中有if引导时,首先要根据句意和句子结构判断是真实条件句还是虚拟条件句,如果符合虚拟的结构,就可以根据句子中的时间和语意判断应该用哪种虚拟语气. 3.【2015·重庆】7. Without his wartime experiences, Hemingway____ his famous novel A Farewell to Arms. A.d idn’t write B. hadn’t written C. wouldn’t write D. wouldn’t have written 【答案】D 【解析】 试题分析:句意:没有他战时的经验,海明威就不可能写出著名的小说永别了武器.根据without his wartime experience没有战时的经历,可知表示对于过去的否定猜测,故主句

情态动词与虚拟语气

一.情态动词 1.---Could I borrow your dictionary? ----Yes,of course you_____. A.might B. will C. can D. should 2.---Shall we go skating or stay at home? ----Which _____do yourself? A.do you rather B.would you rather C.will you rather D.should you rather 3.It’s nearly seven o’clock.Jack ___be here at any moment. A. must B need C should D can 4.A computer __think for itself ,it must be told what to do. A. can’t B couldn’t C may not D might 5. Johnny,you ___play with the knife.You ___hurt yourself. A.won’t ;can’t B. mustn’t; may C. shouldn’t; must D. can’t; shouldn’t 6.—Shall I tell John about it? -----No,you _____.I’ve told him already. A. needn’t B.wouldn’t C. mustn’t D. shouldn’t 7.---Don’t forget to come to my birthday party tomorrow. ----______. A.I don’t B.I won’t C.I can’t D.I haven’t 8.He ____you more help,even though he was busy. A.might have given B.might give C.may have given D.may give 9.----There were already five people in the car but they managed to take me as well. ---It ___a comfortbable journey. A.can’t be B.shouldn’t be C.mustn’t have been D.couldn’t have been 10.I told Sally how to get there ,but perhaps I ___for her. A.had to write it out B.must to have written it out C.should have written it out D.ought to write it out 11.---When can I come for photos?I need them tomorrow afternoon. ---They ___be ready by 12:00. A.can B. should C might D need 12.---I stayed at a hotel while in New York. ----Oh,did you?You ____with Barbara. A.could have stayed B.could stay C.would stay D.must have stayed 13.-----Alice, you feed the bird today.____? -----But I fed it yesterday. A.do you B.will you C.didn’t you D.don’t you 14.The fire spread through the hotel very quickly but everyone ____get out. A.had to B.would C.was able to D.could

【11年高考】2004-2014年全国各地高考英语试题分类汇编:情态动词、虚拟语气 (含详细解析)

百度文库版权所有,侵权必究 【11年高考】2004-2014年全国各地高考英语试题分类汇编:情态动词、虚拟语气 2014全国高考汇编之虚拟语气+情态动词 一(2014安徽卷)30.People are recycling many things which they away in the past. A. had thrown B. will be throwing C. were throwing D. would have thrown 【考点】考察情态动词用法 【答案】D 【解析】句义:人们作者回收利用他们过去常常会扔掉的东西。Would have done过去常常做某事;是对过去发生的事情的推测。如果不适应情态动词,可以使用一般过去时threw。故D正确。 【举一反三】I ______ sooner but I didn’t know that they were waiting for me. A. had come B. was coming C. would come D. would have come 【答案】D 【考点】考查虚拟语气的用法。 【解析】句意为“我本来可以早点来,但我真不知道他们在等我。”but I didn’t know表示了过去时间,因此前句是对过去的虚拟,用主语+should / would / could / might + have done表达,故选D。 二(2014北京卷)27. ________ I have a word with you? It won’t take long. A. Can B. Must C. Shall D. Should 【考点】考察情态动词词义辨析 【答案】A 【解析】本题考察的是情态动词基本意义辨析。Can能够,可能;must必须,一定;非得;shall将要;should应该;句意:我可以和你谈谈吗?不会花很多时间的。根据句意可知本题使用can I…?表示询问对方是否允许。如:Can I use your dictionary?我可以使用你的字典吗?故A正确。 三(2014北京卷)34. We __________ back in the hotel now if you didn’t lose the map. A. are B. were C. will be D. would be 【考点】考察虚拟语气 【答案】D 【解析】本题考察的是if条件状语从句的虚拟语气。表示与现在事实相反时,条件句中使用“一般过去时/were”,主句使用“情态动词+动词原形”。句意:如果你没有把地图丢了,我们现在就会在宾馆里了。根据从句的did可知本句是与现在事实相反,故D正确。 【试题延伸】条件句的虚拟语气是考查的重点。如果过去事实相反,条件句中使用过去完成时,主句使用“情态动词+have done”;如果主句与现在事实相反,条件句中使用过去时,be动词使用were,主句中使用“情态动词+动词原形”;如果与将来事实相反,条件句中有三种:过去时;were to do ;should+动词原形,主句使用“情态动词+动词原形”;要特别注意如果省略了if,句子要使用部分倒装的形式,把助动词,be动词,情态动词提之主语前。 【举一反三】Grace doesn't want to move to New York because she thinks if she there, she wouldn't be able to see her parents very often. A. lives B. would live C. having asked D. Were to live

情态动词和虚拟语气

情态动词和虚拟语气 情态动词的用法要点 一、表能力 Can Am/is/are able to 表现在的能力 Will be able to 表将来的能力 could Was/were able to 表过去得能力 Could have+过去分词:表示过去有能力做但未做 二、表推测(可能性) 1.可能性可分为客观的可能性和具体事情实际发生的可能性两种。所谓客观的(理论的)可能性即并不涉及 具体某事是否会发生,此种用法常常可以说明人或事物的特征。情态动词can可用于肯定句中表示客观的(理论的)可能性,而表示具体事情实际发生的可能性时,can一般不用于肯定句。 Accidents can happen on such rainy days. We may go to the cinema tonight, but we are not sure yet. 2.表示具体事情实际发生的可能性: (2)表示具体事情实际发生的可能性时,may, must 常用于肯定句,一般不用于否定句和疑问句(may not 表示“可能不”);can常用于否定句、疑问句或感叹句中,表示疑惑、惊讶或不相信等意思;could既可用于肯定句又可用于否定句、疑问句中。 This can’t/ couldn’t be done by him. This may not be done by him. He could be on his way home now. Can this be done by him? Mr Mush is on time for everything. How can it be that he was late for the opening ceremony? I didn’t hear the phone. I must have been asleep. ---Are you coming to Jeff’party? ---I’m not sure. I might go to the concert instead. (3) would, could, should, might 并不一定与过去时间有关,而表示可能性弱于它们相应的现在时形式。 This may/ might be done by him. (4)should 表推测时,表示确定或可能有的未来或期望,即合乎理想的情况或结果 He ought to/ should be here on time---he started early enough. We should arrive before dark. The roads should be less crowded today. 三、表示请求、允许、允诺 1.当对方是决策者时,你代表你(们)自己(I, we),或代表第三者(he she they)向对方(you)请示或提 出建议时用:

2018年专四真题虚拟语气和情态动词 章振邦语法书页数标注

Subjunctive mood (P122, p. 129. P 143 动词过去完成体P181-190, 395)条件句 14. “I wondered if I could have a word with you.” The past tense in the sentence refers to a __B___. (p128) 2017 A. past event for exact time reference B. present event for tentativeness C. present event for uncertainty D. past event for politeness V. in specific contexts, the simple past can also denote the present or the future time. There are two uses. One is known as the attitudinal past (属于“表态性过去时” (attitudinal past), 即表示说话人当前的试探性态度, 而非过去时间, 多用于表示意愿或心理状态的动词) , that is , the past tense is associated with the present time in independent clauses expressing a question, request or suggestion. Its effect is to make the question/request/suggestion less direct, implying a polite, somewhat tentative attitude试探性态度,婉转语气on the part of the speaker. A: Did you want me? B.Yes, I wondered if you could give me some help . Want, wonder, think, hope

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1.(2016·新课标Ⅱ)Some classmates suggest we can go to places of interest nearby. 2.(2015·新课标Ⅰ)We must found ways to protect our environment. 3.(2015·四川)If you are me,would you talk to them? 1.(2016·浙江,15)________(have)the governments and scientists not worked together,AIDS-related deaths would not have fallen since their highest in 2005. 2.(2016·浙江,17)George can't ________(go)too far.His coffee is still warm. 3.(2016·北京,34)Why didn't you tell me about your trouble last week?If you ________(tell)me,I could have helped. 4.(2015·北京,29)—Can't you stay a little longer? —It's getting late.I really ________go now.My daughter is home alone. 5.(2015·福建,27)—Sorry,Mum!I failed the job interview again. —Oh,it's too bad.You ________have made full preparations. 6.(2015·陕西,23)Ellen is a fantastic dancer.I wish I ______(dance)as well as her. 7.(2015·天津,7)I ________ have worried before I came to the new school,for my classmates here are very friendly to me. 8.(2015·天津,13)I wish I ________(be)at my sister's wedding last Tuesday,but I was on a business trip in New York then. 9.(2015·重庆,12)You ________ be Carol.You haven't changed a bit after all these years. 10.(2014·湖南,25)—I've prepared all kinds of food for the picnic. —Do you mean we ________ not bring anything with us? 11.(2014·福建,32)______(be)there no modern telecommunications, we would

情态动词和虚拟语气

要点一情态动词的基本用法 ,could 【温馨提示】 can有时也用于肯定句,表示理论上的可能性或一时的情况。常译为“有时会”。 ,might 【温馨提示】 may表示请求许可时,其否定回答一般用mustn’t。may not意为“可能不”,而can’t意为“不可能”。 ,would 【温馨提示】 would表示过去的习惯时仅指动作,而且不与现在作对比;used to表示过去的习惯动作或状态,而且与现在作对比,说明现在这种动作或状态已经不存在。

,should,ought to ,have to 【温馨提示】 (1)在回答must的问句时,否定回答通常用needn’t或don’t have to。(2) mustn’t表示“禁止;不许”;而don’t have to表示“不必”。(3) must只有一种形式,而have to有人称、时态的变化。 的用法 的用法

【温馨提示】 (1)dare用作情态动词有dare,dared两种形式。 (2)dare用作实义动词,后接不定式,不定式符号to可省去,但dare以动词-ing形式出现时,不定式符号to不能省略。 要点二“情态动词+have done ”的用法 have done表示对过去已发生的事情进行肯定的推断,只用于肯定句中,意为“一定,必定”,其否定形式为:can’t/cannot have done。 It must have rained last night,for the road was quite wet. 昨晚肯定下雨了,因为路面十分潮湿。 I saw Mr Wang just can’t have gone abroad. 刚刚我还看见王先生了,他不可能已经出国了。 have done意为“本来可以……,本来能够……”,表示虚拟语气。 You could have made greater progress,but you didn’t try your best. 你本来可以取得更大的进步,但是你没有努力。 might have done表示对过去已发生的事情进行推断,意为“可能/或许已经……”。其否定形式为: may/might not have done意为“可能没有做……”。 It’s no use going to his may not have gone may have gone somewhere else. 去他家没用。他可能没有回家,可能已经去了别的地方。 ought to have done表示本应该做某事,却没有做,含有责备或后悔之意。其否定形式为should not/ought not to

情态动词和虚拟语气

谓语动词(情态动词、虚拟语气) 要点一情态动词的基本用法 【温馨提示】can有时也用于肯定句,表示理论上的可能性或一时的情况。常译为“有时会”。 2.may,might 【温馨提示】may表示请求许可时,其否定回答一般用mustn’t。may not意为“可能不”,而can’t意为“不可能”。 【温馨提示】would表示过去的习惯时仅指动作,而且不与现在作对比;used to表示过去的习惯动作或状态,而且与现在作对比,说明现在这种动作或状态已经不存在。 4.shall,should,ought to

5.must,have to 【温馨提示】 (1)在回答must 的问句时,否定回答通常用 needn ’t 或don ’t have to 。(2) mustn ’t 表示“禁止;不许”;而don ’t have to 表示“不必”。(3) must 只有一种形式,而have to 有人称、时态的变化。 7.dare 的用法 【温馨提示】 (1)dare 用作情态动词有dare,dared 两种形式。 (2)dare 用作实义动词,后接不定式,不定式符号to 可省去,但dare 以动词-ing 形式出现时,不定式符号to 不能省略。 要点二 “情态动词+have done ”的用法 1.must have done 表示对过去已发生的事情进行肯定的推断,只用于肯定句中,意为“一定,必定”,其否定形式为:can ’t/cannot have done 。 It must have rained last night,for the road was quite wet. 昨晚肯定下雨了,因为路面十分潮湿。 I saw Mr Wang just now.He can ’t have gone abroad. 刚刚我还看见王先生了,他不可能已经出国了。 2.could have done 意为“本来可以……,本来能够……”,表示虚拟语气。 You could have made greater progress,but you didn ’t try your best. 你本来可以取得更大的进步,但是你没有努力。 3.may/might have done 表示对过去已发生的事情进行推断,意为“可能/或许已经……”。其否定形式为: may/might not have done 意为“可能没有做……”。 It ’s no use going to his house.He may not have gone home.He may have gone somewhere else. 去他家没用。 他可能没有回家,可能已经去了别的地方。 4.should/ought to have done 表示本应该做某事,却没有做,含有责备或后悔之意。其否定形式为should not/ought not to have done 表示“本不该做某事却做了”。

高考英语 情态动词及虚拟语气

高考英语情态动词及虚拟语气 (2011·浙江温州十校联考)10.__________ the clouds, you would find the airplane in the sky easily A.Had it not been for B.If it were not C.If it had not been for D.Were it not for D考查虚拟语气的用法。虚拟条件句如果if被省略,从句需部分倒装。 (2011·浙江温州八校返校联考)31.You ________ worry about it , as everything has been settled now. A.shouldn’t B.needn’t C.can’t D.mustn’t B考查情态动词的用法。句意:你没必要为之而担心,因为现在一切都安置好了。(2011·浙江学军中学第一次月考)33. Why were you driving so fast? You somebody. A.mingt hurt B.might have hurt C.would hurt D.must have hurt B考查情态动词的用法。此处表示对过去事实没有把握的推测,故用might have done的形式。 (2011·重庆师大附中第一次月考)34.—It’s the office! So you ________ know eating is not allowed here. —Oh, sorry. A. must B. will C. may D. need A考查情态动词的用法。此处must意为:不准,禁止。 (2011·重庆师大附中第一次月考)32.But for their help, we ________ the program in time. A. can not finish B. will not finish C. had not finished D. could not have finished D考查虚拟语气。句意:要是没有他的帮助,我们就不能按时完成那个项目。此处表示 与过去的事实相反。 (2011·唐山市摸底)14.Tom have come in person.He came such a long way just to tell us the result. A.mustn’t B.needn’t C.wouldn’t D.couldn’t B考查情态动词的用法。句意:汤姆没有必要亲自来。他走这么远的路就是为了告诉我们这结果。 (2011·河北正定中学第一次月考)8.Jam insisted that the book Mr Black referred to .A.was worth buying B.was worth to be bought C.being worth buying D.be worth buying D考查虚拟语气在名词性从句中的用法。insist后的宾语从句,在表示坚持某种建议时用虚拟语气should+动词原形。 (2011·浙江杭州西湖中学检测)30. We ________ last night , but we went to the concert instead. A. must have studied B. might study

(完整版)含有情态动词的虚拟语气

“would+have+done”虚拟语气,表示对过去事情的假设,意思是“本来会做” 1. I would have told you all about the boy's story, but you didn't ask me. 我本来会告诉你这个小男孩的故事,但是你没有问我。 2. Without your help, I wouldn't have achieved so much. 没有你的帮助,我是不会取得如此大的成绩。“could+have+done”是虚拟语气,表示对过去事情的假设,意思是本来能够做某事而没有做。 He could have passed the exam, but he was too careless. 本来他能够通过考试,但是他太粗心。 请看相关知识点: 一、“must+have+done”表示对过去事情的肯定推测,译成“一定做过某事”,该结构只用于肯定句。 1. It must have rained last night, for the ground is wet. 昨晚一定下雨了,因为地面还是湿的。 2. You must have been mad to speak to the servant. 你和仆人说话,一定是发疯了。 二、“can't+have+done”表示对过去事情的否定推测,译成“不可能做过某事”。 1. Mr. Smith can't have gone to Beijing, for I saw him in the library just now. 史密斯先生不可能去北京了,我刚才还在图书馆见过他。 2. Mary can't have stolen your money. She has gone home. 玛丽不可能偷你的钱,她回家去了。 三、“can+have+done”表示对过去行为的怀疑,用于疑问句,译成“可能做过……吗?”。 1. There is no light in the room. Can they have gone out? 屋里没有灯,他们可能出去了吗? 2. There is nowhere to find them. Where can they have gone? 到处找不到他们,他们可能到什么地方去呢? 四、“could+have+done”是虚拟语气,表示对过去事情的假设,意思是本来能够做某事而没有做。 He could have passed the exam, but he was too careless. 本来他能够通过考试,但是他太粗心。 五、“may+have+done”表示对发生过的事情的推测,意思是“可能已经”或“也许已经”,用于肯定句中。 —What has happened to George? —I don't know. He may have got lost. —乔治发生了什么事?

高考英语情态动词和虚拟语气讲义

第五章情态动词和虚拟语气 一、情态动词的语法特征 (1)情态动词不能表示正在发生或已经发生的事情,只表示期待或估计某事的发生。 (2)情态动词除ought 和have 外,后面只能接不带to 的不定式。 (3)情态动词没有人称,数的变化,即情态动词第三人称单数不加-s。 (4)情态动词没有非谓语形式,即没有不定式、分词、动名词等形式。 二、虚拟语气用来表示说话人的主观愿望或假想,所说的是一个条件,多半不是事实,或与事实相反。 高考重点要求: 1、情态动词的基本用法 2、情态动词表示推测的语义差别 3、情态动词后接不定式完成体的不同意义 4、虚拟语气中情态动词的用法 第一节知识点概述 一、情态动词 (一)情态动词种类 1. can表示体力或脑力方面的“能力”、“技能”或根据客观条件能做某种动作的“可能性”, 但表示人的体力或智力的具体动作时须用be able to . He was able to do that without any help.他不需要任何帮助就能完成这项工作。 2. may表示“允许,可以”,相当于be allowed to . may或might可和as well连用,表示“建议”,译为“还是……的为好” You may as well keep a certain distance from that mad man. 你们还是离那疯子远点为好。 You might as well go home now.你还是现在回家为好。 3. must表示“必须”或“应当”、“一定”。 4. have to 加动词原形,表示“不得不”,“必须”,它比must更强调客观。 Tom had to work into the deep night every day to earn a living. 汤姆为了生计每天都得工作到深夜。 5. should 表示“劝告”,“建议”或“义务”时,译作“应当”,或表示“预测”和“可能”。 He should take care of his parents as they are old enough not to live on themselves. 由于父母亲老了,不能自理,他应当照顾他们。 He should be there now. 他应该在那儿。 should have done在虚拟语气中表示“责备或后悔”。 6. ought ,只有一种形式,且ought后必须加to,然后跟接动词原形表示“有义务”或“必要”做某事,译为“应当,应该”。 7. dare 可以用作情态动词,后面跟不带to的动词不定式,这主要用于否定句中,它本

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