高考情态动词与虚拟语气考点(最新整理)

合集下载

情态动词和虚拟语气_高考英语_语法

情态动词和虚拟语气_高考英语_语法

Can you give me a lift to the station?
(5)有时会……(理论上的可能性)
The experienced teacher can make mistakes sometimes.
(6)固定搭配 1). cannot...too/enough 表示“无论„„也不
过分”“越„„越好”
month.
—Don’t worry.You________have it by Friday. A.could C.must
解析:
B.shall D.may
句意为:——我至今还没有拿到参考书,但是
下个月这个学科就要测试了。——别担心,周五之前你一定
会有的。本题考查情态动词。 shall 用于第二人称表示允诺、 要求、命令、威胁等语气,根据句意可知此处表示允诺的语
现在北京的公共交通非常便利,所以在市区
观光不应该有什么困难。
1.(2010· 浙 江 卷 )“You________have a wrong
number ,” she said ,“ There’s no one of that
name here.” A.need C.must B.can D.would
Would you mind if I opened the window?
(3)表示一种经常性、习惯性的动作
would可表示过去反复发生的动作或某种倾向,后面接表示动 作的动词,不能接表示状态的词; used to表示过去的习惯动作或状 态,强调现在已不存在。
Every morning he will have a walk along this river. Whenever he was in trouble, he would ask me for help.

备战2024年高考英语考试易错点09 情态动词和虚拟语气(4大陷阱)(解析版)

备战2024年高考英语考试易错点09  情态动词和虚拟语气(4大陷阱)(解析版)

易错点09情态动词和虚拟语气目录01易错陷阱(4大陷阱)02举一反三【易错点提醒一】情态动词基本用法易混易错点【易错点提醒二】情态动词表判断推测易混易错点【易错点提醒三】情态动词后+have done易混易错点【易错点提醒四】虚拟语气易混易错点03易错题通关易错陷阱1:情态动词基本用法易混易错点。

【分析】功能:情态动词不能单独作谓语,后跟动词原形共同构成谓语。

形式:情态动词没有人称和数的变化。

否定形式是多数情态动词的否定式是在情态动词的后面加not。

时态:个别情态动词有现在式和过去式两种形式,过去式用来表达更加客气、委婉的语气。

位置:情态动词在谓语之前;谓语动词前若有助动词,则在助动词之前。

疑问句中在主语之前。

【高频考点】1.can/could表能力、请求、可能性(表示可能性用于否定句及疑问句中);特殊句型:can not...too.../enough(再怎么……也不过分)、can't help but do sth.(不得不做某事)、can't wait to do sth.(迫不及待地做某事)。

2.may/might表较小的可能性;表示请求许可以及祝愿。

句型和搭配:may/might as well do表示“还是……好;最好……”;may well do表示“很可能”;may可以用来表示祝愿,用“may+主语+动词原形”结构。

May you succeed.祝你成功。

3.must表示非常肯定的推测;表“偏要;非要……不可”;mustn't意为“禁止”,表示“不必”应用needn't。

4.shall的用法用于第二、三人称的陈述句中,表命令、警告、许诺或威胁等,语气强于should;用于第一、三人称的疑问句中,表示征询意见。

5.should/ought toshould表责任、义务、劝告、建议等,意为“应该”,还可表出乎意料的语气,意为“竟然”;ought to表义务或责任,意为“应该”。

情态动词与虚拟语气(详解版)(新版)

情态动词与虚拟语气(详解版)(新版)

英语情态动词与虚拟语气(详解版)情态动词一.情态动词主要特征:1)不能单独作谓语,只能和行为动词或系动词连用,构成谓语;2)没有人称和数的变化,时态也只限于一般现在时和一般过去3)后面接动词原形,即不带to的不定式;二.情态动词的基本用法1.must(1)“必须,一定,得”,表示的是命令性的语气。

Eg.You must hand in your composition today.*回答must引起的一般疑问句,如果是否定意思,常用needn't。

Eg.-Must I come at four o'clock??-Oh, no, you needn't come at four.。

*用mustn't 则表示“禁止”。

Eg.Cars mustn't park in front of the entrance.(2)表示“偏要,硬要”做某事。

表示与说话人的意愿相反和不耐烦的语气Eg.As I was about to start to work, the telephone must ring.must 与have to区分:must更强调说话者的主观意愿;have to则强调客观上的必要性,常译为“不得不”,而have to可以有多种时态变化。

2.can(1)表示能力。

Eg.I can swim across the river when I was young.(2)表示客观(理论)上的可能性,用于肯定句中。

Eg.Anybody can make mistakes.(3)表示请求和允许,怀疑多用于否定与疑问结构中:Eg.-Can I go now? -Yes, you can.Can the news be true?重点短语:1)cannot but do sth. 表示“不得不,只好”Eg.I cannot but choose to go with them.2)cannot/ can never...enough/too表示“再......也不为过”:Eg.You cannot be too careful to cross the road.3)can not help but do, can not help doing 表示“不得不”“禁不住”:Eg.The girl couldn't help but live on herself.3.may(1)表示可能,意为“或许,也许”Eg.She may come to your birthday party tomorrow.(2)表示允许、许可。

高考英语--情态动词与虚拟语气

高考英语--情态动词与虚拟语气
情态动词与虚拟语气
情态动词(Modal Verbs)
1.情态动词记忆口诀
情态动词①二要点:
动词原形跟后面,说话语气委婉。
can表“能力”may“许可”,must“责任”或“义务”,否定回答needn't换②;
①He will have gone back to Nanjing.
说明:
①实义动词need,表示“需要”的意思,其后可以跟名词、代词和动词不定式作宾语。如:
We need it very much. (need+代词)
He needs some help.( need+名词)
He needs to have a long rest.( need+不定式)
You needn’t have come over yourself.
2.may/might+have done 可能
may/might not+have done 可能不会
He might have arrived there by now.
He might not have settled the question.
3.should+have+过去分词
这一结构表示过去该做而实际上未做的行为动作,意思是“本应该”。其否定式为“should not+have+过去分词”,表示不应该发生的行为,意思是“本不应该”。其同义结构为“ought to+have+过去分词”,表示过去“早应该”、“本当”之意,语气较强。如:
二、must通常表示“必须(suggesting a command or an obligation)”、“必然、肯定”的推测(a logical conclusion, a strong likelihood)。

高中情态动词虚拟语气用法总结

高中情态动词虚拟语气用法总结

现在:过去时 过去:过去完成时
• She loves the baby as if it were her own son.
• It seems as if it were spring.
• I remember the whole thing as if it had happened yesterday.
15
If you had told me in advance, I ____C______him
at the airport.
A. would meet
B. would had meet
C. would have met
D. would have meet
If there were nor subjunctive mood, English __D___
B. would come; would D. comes; might
If the parents ___C___at the hospital earlier after
the accident, the child would have been saved.
A. arrives C. had arrived
was angry wouldn’t do
B. hadn’t done D. wasn’t doing
19
-----He is a brave man.
-----Yes, I wish I ____B_____his courage.
A. Have B. had C. will have D. would have
18
The picture exhibition bored me to death. I wish I

高考英语情态动词和虚拟语气复习(完整版)

高考英语情态动词和虚拟语气复习(完整版)

高考英语情态动词和虚拟语气复习【名师精讲必考语法,值得下载练习】情态动词是一种本身有一定的词义,后面加动词原形,给谓语动词增添情感色彩,表示说话人对有关行为或事物的态度和看法,认为其可能、应该或必要等。

一、情态动词的分类1.只做情态动词:must, can(could), may(might), ought to, should2.可做情态动词又可做实意动词:need, dare(dared)3.可做情态动词又可作助动词:shall, will(would)4.具有情态动词特征:have(had) to, used to, had better (not) do二、情态动词的特点1.情态动词没有人称和数的变化。

2. 情态动词后跟动词原形,否定式构成是在情态动词后面加“not”。

3. 情态动词属非及物动词,故没有被动语态。

三、情态动词的基本用法1.can/ could1) 表示能力Can you lift this heavy box?Mary can speak English fluently.此时可用be able to 代替。

can 只有一般现在时和一般过去式;而be able to 则有更多的时态。

I’ll be able to come this afternoon.注意:当表示“经过努力而成功做到某事时”不能用could, 而用was/were able to do= succeeded in doing= managedto doHe was able to go to the party yesterday in spite of the heavy rain.2) 表示可观可能性(客观原因形成的能力)。

译为“能够;可以”This hall can hold 500people at least.3) 某人或某物一时的可能性,常译为“有时(可能)会”It is usually warm in my hometown in March, but it can be rather cold sometimes.Little children can be very naughty.4) 表示请求和允许----- Can I go now?----- Yes, you can. No, you can’t.此时可与may 互换。

高考 情态动词和虚拟语气 知识点总结

高考 情态动词和虚拟语气 知识点总结

情态动词和虚拟语气一、情态动词的用法要点1.表能力CanBe able to 表现在的能力Will be able to 表将来的能量力CouldWas/were able to 表过去的能力Could have + 过去分词表过去有能力但未做2.表推测(可能性)a.可能性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可观的(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。

b.表示具体事情实际发生的可能性①表示集体事情实际发生的可能性层次比较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。

③would, could, should, might并不一定与过去时间有关,而表示可能性弱于他们相应的现在时形式④should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3.表示请求、允许、允诺a.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:①shall/may(might)/can(could) I/we…?②shall he/she/they…?③would/will you…?b.Could/might/would/should表委婉语气c.Shall与第二、三人称连用用于陈述句,表示说话者的命令、警告、威胁;当宣布法律规定时,shall也由此用法4.表必要性a.must常用来表示必要性,以为“必须”①must + do sth. (现在或将来)必须做某事②don’t have to do sth./don’t need to do sth./needn’t do sth.(现在或将来)不必做某事③表示过去没必要做某事,分以下情况:Needn’t have done sth.本来不必做而做了某事Didn’t have to do sth./didn’t need to do sth./It was not necessary to so sth.(过去)不必做(不强调是否做了)某事b.should也可以表示必要性,意为“(义务上)应该”。

情态动词在虚拟语气中的高频考点

情态动词在虚拟语气中的高频考点

情态动词在虚拟语气中的高频考点,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。

虚拟语气用于条件状语从句,虚拟条件句谓语动词构成形式:条件状语从句+ 主句1.与现在事实相反:if +主语+动词过去式(be动词一律用were)+主语+ would/should + 动词原形2.与过去事实相反:if+主语+动词过去完成式,主语+ would/should + have +过去分词3.与将来事实相反:A.谓语动词用过去完成式,B.谓语用were to + 动词原形,C.动词用should + 动词原形,主语+would/should+动词原形注意:主句中的should通常用于第一人称,would可用于任何人称,同时也可根据意思用情态动词could,might等代替should,would。

单项选择题:1)If it _____ for the snow, we _____ the mountain yesterday.A. were not; could have climbedB. were not; couldC. had not been; could have climbedD. had not been; could climb答案:C.根据信息词yesterday可以判断该句是表示与过去事实相反的虚拟条件句,从句中应该用“情态动词+现在完成时”,故答案的最佳选择是C.2) —— I stayed at a hotel while in new york.—— oh, did you? you ______ with barbara.A. could have stayB. could stayC. would stayD. must have stay答案:A.本句是一个含蓄虚拟条件句,意思是:if you hadn’t stay at a hotel while in new york, you could have stayed with barbara. 表达了与过去事实相反的情况,故答案的最佳选择是A.3) Yesterday jane walked away for discussion, otherwise, she ______ something she would regret later.A. had saidB. saidC.might sayD. might have said答案:D.本句考查的也是含蓄虚拟语气,意思是:如果她参加了讨论,她可能会说出一些后来令她后悔的话。

高考英语专题五 情态动词 和 虚拟语气

高考英语专题五 情态动词 和 虚拟语气

专题五情态动词和虚拟语气情态动词:一,必要性:must needn’t don’t have to should1, must 表现在,将来必须2, don’t have to don’t need to do needn’t do 表现在将来不必3,needn’t have done 本来不必做而做了。

didn’t have to do= it was not necessary to do 过去不必做。

(不强调是否做了)Should do (现在,将来)4,should 义务上应该做Should have done (过去)二,表推测,可能性:1, 客观不可改变的可能性:常表示说明人或事物的特征。

---canE.g: Accidents can happen on such rainy days.2, 具体事情实际发生的可能性:1) must: 必然,必定(不用于否定和疑问)2)should, ought to: 按说应该;应该不会(一般不用于疑问)3)can 不可能;有可能。

吗?(不用于肯定)4)could 表微弱可能;不可能;不可能。

吗?5)may 或许,也许;可能不;(不用于疑问)6)might 或许,也许;可能不;(不用于疑问)Can 表推测时,用于否定,疑问,表示一种疑惑,惊讶或不相信语气。

This can’t / couldn’t be done by him. (不相信)This may not be done by him. (不确定)Could,might 并不与过去时间有关,表示语气比can, may 语气弱。

Should 表推测时,表示合乎理想的情况或结果。

We should arrive before dark.三,表能力:Can / am, is, are, able to do 表现在的能力Will be able to do 表将来能力Could/ was, were able to do 表过去能够Could have done 表过去有能力但未做四,表请求,允许:1,当询问,请求的对象为决策者时:Shall i/we ...?May i /we ...?Will /Would you ...?2, could/ might/would/should...? 表委婉气3,shall 与第二,第三人称连用用于陈述句,表示说话者的命令,威胁,警告。

高考英语情态动词和虚拟语气讲解

高考英语情态动词和虚拟语气讲解

(一)虚拟语气常考点(一)虚拟语气在非真实条件句中的运用使用虚拟条件句时要注意的几点:1.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,被称为“错综时间条件句”,动词的形式要根据它所表示的时间做出相应的调整。

如:If you had studied hard before,you would be a college student now。

假如你以前学习努力的话,你现在将已是一名大学生了。

2.if省略句在条件句中可省略if,把were,had,should提到句首,变为倒装句式。

如:If I were at school again,I would study harder。

→Were I at school again,I would study harder。

假如我再次回到学校,我一定更加努力的学习。

If you had come earlier,you would catch the bus。

→Had you come earlier,you would catch the bus。

假如你来早点,你就赶上公交车了。

If it should rain tomorrow,we would not go climbing。

→Should it rain tomorrow,we would not go climbing。

假如明天下雨,我们就不去爬山了。

注意:当省略的条件句中的谓语动词是否定形式时,不能用动词的缩略形式。

比如,我们可以说:Were it not for the expense,I would go abroad now。

但不能说:Weren’t it for the expense,I would go abroad now。

3.用介词短语代替条件状语从句。

常用的介词有with,without,but for。

如:What would you do with a million dollars?(=if you had a million dollars)假如你有一百万美元的话,你会做什么?We couldn’t have finished the work ahead of time without your help。

情态动词和虚拟语气

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 to5.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。

6.need 的用法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。

高中语法精要情态动词和虚拟语气

高中语法精要情态动词和虚拟语气

高中语法精要情态动词和虚拟语气高中语法精要:情态动词和虚拟语气在高中英语学习的过程中,语法是一个不可或缺的部分。

情态动词和虚拟语气是其中重要且常被混淆的概念。

本文将全面介绍情态动词和虚拟语气的用法及相关注意事项。

一、情态动词情态动词是用来表示说话人的情感、推测、能力等方面的动词。

常见的情态动词包括can、could、may、might、shall、should、will、would、must等。

1. 表示能力:Can和could用于表示某人具有能力做某事。

例如:- I can swim.(我会游泳。

)- He could speak French when he was young.(他年轻时会说法语。

)2. 表示推测:May、might和could可以用于表示推测或可能性。

例如:- It may rain later.(可能会下雨。

)- He might be busy.(他可能很忙。

)3. 表示许可:Can和may用于表示允许或许可。

例如:- Can I go to the bathroom?(我可以去洗手间吗?)- May I borrow your pen?(我可以借用你的笔吗?)4. 表示建议和意愿:Should和would常用于表示建议、意愿或假设情况。

例如:- You should eat more vegetables.(你应该多吃蔬菜。

)- I would like some tea, please.(我想要一些茶,谢谢。

)二、虚拟语气虚拟语气是用来表示非现实情况或假设情况的一种语气形式。

在高中英语中,虚拟语气主要包括与过去事实相反的虚拟语气、与现在事实相反的虚拟语气、与将来事实相反的虚拟语气以及情态动词的虚拟语气等。

1. 与过去事实相反的虚拟语气:与过去事实相反的虚拟语气常由"were"来表示,无论主语是单数还是复数,都使用"were"。

高三英语高考语法知识点归纳总结情态动词和虚拟语气 情态动词

高三英语高考语法知识点归纳总结情态动词和虚拟语气 情态动词
I should(ought to) help him because he is in trouble.
will/would
请求、建议,would比will委婉客气。
Would you pass me the book?
表示意志、愿望和决心。
I will never do that again.
They asked us if we would do that again
Mary is in poor health. She can be ill at any times.
在否只能用can和may。所以can’t时用以代替mustn’t,语气比may更肯。中文可以翻译为不可能。
Michael______be a policeman, for he’s much too short.
couldn’t do
may
可以(问表示请求)
可能,或许(表推测)
祝愿(用于倒装)
may not do
May…do…?
Yes,…may.
No,…mustn’t/can’t.
might
might not do
Might…do…?
Yes,…might
No,…might not.
must
必须,该(表主观要求)
①—Could I call you by your first name?—Yes, you______
A.will B.couldC.mayD.might
②Johnny, you_____play with the knife, you_____hurt yourself.
A.won’t/can’tB.mustn’t/may
You shall fail if you don’t work harder.警告

第03讲情态动词和虚拟语气(精讲)2024年高考英语高频考点题型归纳与方法总结(新高考通用)

第03讲情态动词和虚拟语气(精讲)2024年高考英语高频考点题型归纳与方法总结(新高考通用)

【一轮复习讲义】2024年高考英语高频考点题型归纳与方法总结(新高考通用)第03讲情态动词和虚拟语气(精讲)题型目录一览考点1、情态动词的用法分考点1. 情态动词的基本用法(1)、can, could①、表示能力,意为“能,会”;could表示过去的能力,不表示是否做。

·●She can speak French fluently. 她能讲一口流利的法语。

●Our daughter could walk when she was nine old. 我们的女儿九个月大时就会走路了。

②、can可用于肯定句中,表示客观或理论上的可能性。

● He is confident a solution can be found. 他确信会找到解决办法。

●An experienced teacher can make mistakes. 一位有经验的老师也会犯错。

③、表示请求或允许。

在疑问句中, could可以代替can,语气更委婉,但回答时要用can。

●---Can/ Could I use your bike tomorrow morning?----Yes, you can.---明天上午我可以用你的自行车吗?----是的,可以。

①、表示可能性,意为“可能”,can多用于否定句和疑问句中,could不受限。

can比could语气强。

●He can't be our manager. Our manager has gone to Beijing..他不可能是我们经理。

我们经理已经去北京了。

⑤、表示惊异、怀疑、迷惑等态度,常用于否定句和疑问句中。

● How can you treat me like that? 你怎么能那样对我?⑥、用于固定习语中:can't....too/ enough(无论…也不过分;越…越好);can' but do sth..(不得不做某事,只好做某事);can' t help doing sth...(禁不住做某事)。

2023年高三英语复习核心知识点情态动词和虚拟语气

2023年高三英语复习核心知识点情态动词和虚拟语气

情态动词和虚拟语气一、问:本考点旳命题思绪是什么?答:情态动词要注意如下3个方面:1、重视在语言环境中根听说话人旳语气来使用情态动词。

2、情态动词表达推测或判断旳使用方法考察。

3、设置场景考察学生纯熟使用表达责怪等旳情态动词加完毕时旳使用方法等。

虚拟语气是历年高考旳选考考点。

考点常集中在含蓄条件句以及宾语从句中旳虚拟语气上。

所设选项常通过谓语动词旳特殊形式来表达,并且都是结合详细语境来考察对考点旳运用能力。

此后高考对虚拟语气旳命题重点仍会是在特定语境中考察虚拟语气中旳含蓄虚拟条件句、宾语从句中旳谓语动词等。

例1:(08上海卷). According to the air traffic rules, you ___ switch off your mobile phone before boarding.A. mayB. canC. wouldD. should【答案】D。

【题源探究】考察should旳基本使用方法。

【广角思维】句意为“根据航空交通法,有在登机前应当把手机关掉。

”should“应当”符合该句语境因此答案为D。

【易误警示】不能精确地把握该提旳语境是考生在做该题时出现旳重要错误。

做此类试题时一定要通过语境把握准语境体现出来旳说话人旳语气和态度。

【悟彻高考】should旳其中一种重要使用方法是:should 作为情态动词,一般用来表达目前或未来旳责任或义务,译作“应当”、“应当”,这时它可以和ought to,be supposed to 互换使用。

例如:You should (= are supposed to )complete your test in time.你们应当准时做完你们旳试验。

You should (= ought to )tell your mother about it at once.【同类预测】对should旳这种使用方法旳考察会比较灵活,也比较常见,有时会运用ought to 来考察该使用方法。

高中英语2025届高考语法复习情态动词与虚拟语气知识讲解

高中英语2025届高考语法复习情态动词与虚拟语气知识讲解

高考英语语法复习情态动词与虚拟语气知识讲解一、情态动词(1)表示能力时,can只用于一般现在时,could仅用于一般过去时;而be able to则有更多的时态,如将来时、完成时等。

I haven’t been able to read that report yet.He will be able to skate as well as you.(2)Was/were able to表示能力时,侧重经过努力而成功做到某事;而could仅表示具备能力,不说明是否实施了能力。

He studied hard and was able to pass the exam.(3)用在其他动词,如might,may,would,want,hope等之后表示能力只能用be able to。

He might be able to fix your car.(1)must还可以表示质问或感情色彩,意为“偏要,偏偏”。

Why must it snow on Saturday?(2)should还可以表示惊奇、愤怒、失望等特殊情感,尤其用在以why,who,how等开头的疑问句中或某些感叹句中。

why should you be so late today?(1)must作“必须”讲的一般疑问句,其肯定回答用must,否定回答用needn’t或don’t have to。

-Must I pay now?-Yes, you must./No, you needn’t.(2)need还可以作实义动词,有人称和数的变化,后跟带to的不定式作宾语。

She needed to go out for a walk.(1)两者在表示过去的习惯动作或行为时常可通用。

When we were children, we would/used to go skating every winter.(2)Used to与would都不能与表示具体频率、次数的词及特定的时间状语或具体的一段时间连用。

情态动词与虚拟语气知识点

情态动词与虚拟语气知识点

情态动词与虚拟语气一、情态动词1.Can/could①表示能力:能/可以/会(could为过去式)②表示请求:可以(一般用于疑问句,could表示更委婉)注:could提问时,回答不能用could例:Could I smoke here?Yes,you can/No,you can’t③表示推测:不可能can't/couldn't(只用在否定句)注:表示推测时也可以用在疑问句或肯定句,但是很少,常见的例句:Can/Could it be true?That can/could be......2.may/might①表示请求:可以(一般用于疑问句,might表示更委婉)注:May提问,否定回答mustn't/can't②表示推测:也许(might比may可能性小)3.Must①表示命令/警告:必须(否定为mustn't“禁止”)注:must提问,否定回答needn't/don't have to②表示推测:一定(否定为can't“不可能”)4.will/would①用于构成将来时②表示意愿:会5.Need①实义动词need to do/need doing②情态动词(一般只用在疑问句或否定句)6.had better最好(注意否定had better not)7.Dare 敢(习惯接不定式,不过to也可以省略)8.Should ①应该②竟然注:ought to=should 应该9.have to 不得不Have to表示客观影响,must强调主观意愿10.be able to=canbe able to有时态变化,可以与其他情态动词连用,can不可以;另外,be able to更强调历经磨难,通过努力得到成功二、情态动词+have done1.三个推测(对过去的推测)①must have done:一定做了...②may/might have done:也许做了...③can't have done:肯定没做...2.could have done:本来能够做...例:You could have made greater progress,but you didn't.3.should/ought to have done:本该做...(却没做)4.needn't have done:本不必做...(却做了)5.Would have done:本会做...(实际上没做到)三、虚拟语气1.if的非真实条件句中例:①If I were you,I would accept his advice②If it rained/should rain/were to rain tomorrow,I would stay at home③If you had studied hard before,you would have passed the exam△if从句中,were/had/should可以放在句首(部分倒装),此时if必须省略,且否定词not不能放在前面例:①If I hadn't seen him then,I wouldn't have been very happy→Had I not seen him then,I wouldn't have been very happy②If I were you,I would accept his advice→Were I you,I would accept his advice2.错综时间条件句谓语动词根据句子本身的时态自行变化例:If you had followed my advice just now,you would be better now3.含蓄虚拟语气在某些介词存在的句子中,如果出现非真实的情况,要使用虚拟语气,常见的介词有:with/without/but for/or/but/otherwise等规则:例:①I was ill that day,otherwise,I would have taken part in the meeting②Without electricity,human being life would be quite different today4.wish与if only例:①I wish he could visit us tomorrow②If only you had listened to our advice!5.would rather(宁愿)/would sooner(宁可)/would as soon(宁愿)例:①I’d rather you came here tomorrow②I’d rather you hadn't told me the truth6.as if/as though例:①He looks as if he were an artist②He talked about the accident as though he had seen it7.用于建议(advise/suggest/propose/recommend)、命令(order/command)、要求(demand/require/request/desire/ask)、坚持要求(insist)、催促(urge)的从句中。

  1. 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
  2. 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
  3. 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。

否定式为
can’t/couldn’t have
done
can/could have done 本来能够做
He could have finished the work in
可能做了
time.
Can/Could he have gone to his
aunt’s ?
Cannot/could not have 不可能已经做了
他也许还没完成那项工作
Should/ought to have 本该做,而实际上未 You ought to have done the work
done

more carefully.
needn’t have done 本不必做而做了
You needn’t have taken a taxi here,
A.would do B.could have done C.mustn’t have done D. should
do
11.you have broken your promise; You
painting the house long
ago.
A. could have finished B. had better finish
C. must have finished D.should have finished
have done
party last night, but I had to work
extra hours to finish the work.
1. I
have watched that movie
it’ll give me horrible
dreams.
A. Shouldn’t B.needn’t C.couldn’t D.mustn’t
for it was very near to my house.
had better have done 当时最好做了
You had better not have scolded her.
要是那时你没责骂她就好了。
You had better have found a job.源自要是当时你找到一份工作就好了
7.-----Where is my dictionary? I remember I put it here yesterday.
-------You
it in the wrong place.
A. must put B. should have put C.might put D.might have put
9. As you worked late yesterday, you
have come this morning.
A.mayn’t B.can’t C.mustn’t D.needn’t
10.-----How did you do on the driving test?
---------Not so well. I much better, but I was too nervous.
would rather have 宁愿当时做了
I raised objections at the meeting,
done
but now I would rather not have
done that.
would like/love to 过去愿意做但未做成 I would love to have gone to the
-----Oh, you
have done it as yesterday was the deadline.
A.must B.mustn’t C.should D.shouldn’t
4.It
have been Tom that parked the car here, as he is the only one
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
情态动词+have done 用法
例句
must have done
想必,准是,一定已 It must have rained last night, for the
经做了
road is quite muddy.
8. The weather turned out to be fine yesterday, I
the trouble to
carry my umbrella with me.
A.should have taken B.could have taken C.needn’t have taken
D. mustn’t have taken
D.must have expressed
6. -----I’m sorry. I
at you the other day.
------Forget it, I was a bit out of control myself.
C.mustn’t shout D.mustn’t have shouted
2. Mark
have hurried. After driving at top speed, he arrived half
an hour early.
A.needn’t B.wouldn’t C.mustn’t D.couldn’t
3.----Sorry, Professor Smith. I didn’t finish the assignment yesterday.
with a car.
A.may B.can C.must D.should
5. He didn’t regret saying what he did but felt that he
it differently.
A.could express B. would express
C.could have expressed
He cannot have forgotten it.
done
He couldn’t have forgotten it.
may/might have done 可能已经做了
It’s too late. I think he may have gone
to bed.
He may not have finished the work.
相关文档
最新文档