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虚拟语气的用法小结

虚拟语气的用法小结
虚拟语气的用法小结

虚拟语气的用法小结

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。虚拟语气通过谓语的特殊形式来表示,下面对虚拟语气在各种句式中的用法分别介绍。

一、虚拟语气在条件状语从句中的用法

一)、表示与现在、过去和将来的事实相反,主句和从句的动词变化规则见下表:

例如:

If I were you, I would go at once. ( 与现在事实相反)

If it should rain\were to rain\rained tomorrow, we would not go camping. ( 与将来事实相反)

If you had worked hard, you would have passed the exam. ( 与过去事实相反)

If it were not for the rain, the crops would\should die. (与现在事实相反)

注意: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”,动词的形式要分别根据它所表示的不同时间作相应的调整。如:If you had followed my advice, you would be better now.

二)、有时为了表达的需要,在虚拟语气中并不总是出现If引导的条件句,而通过其他手段来替代条件句,称为“含蓄条件句”。

1、用介词短语代替条件句。常用介词有with, without, but for等。如:

We couldn’t have succeeded without your help (= If we hadn’t got your help).

But for the rain (= If it hadn’t been for the rain), we would have finished the work..

2、用不定式短语来代替条件句。如:

It would be only partly right to do it in this way (= If we did it in this way.)

3、用定语从句代替条件句。如:

A nation which stopped working would be dead in a fortnight (= If a nation stopped working,

it would be dead in a fortnight).

4、用分词短语或独立主格结构来代替条件句。如:

Having known in time (= If we had known in time), we could have stopped it.

Everything taken into consideration (= If everything had been taken into consideration), they would have raised their output quickly.

5、用一个副词或连词表示虚拟条件句。如:

He telephoned to inform me of your birthday, or (= If he had n’t telephoned to inform me of your birthday) I would have known nothing about it.

6、用相当与If的其他连词表示虚拟语气,在条件句中除了最常见的If连词外,尚有下列连词:otherwise否则,不然,in case假如, but that要不是, on condition (that)条件是, unless除非, supposing that假如, provided that如果……

I was busy last week, otherwise I would have come to see you.

7、通过上下文来表示虚拟语气,这种情况要具体分析

I would have given more money, but I was poor then. (前句虚拟语气,后句陈述语气)

I would have called you, but I forgot your telephone number (= if I had known your

telephone number. But I forgot it).

三)、如果虚拟条件句中含有were, should或had,则可以把were, should或had提至句首,构成倒装句。如:

Were I you, I would go at once.

Should it rain tomorrow, we would not go camping.

Had you worked hard, you would have passed the exam.

二、用“should + 动词原形”构成的虚拟语气,其中should可以省略。

一)、suggest, advise, demand, require, request, desire, order, command, insist等动词之后的宾

语从句中。

The teacher suggested that we (should) not lose heart.

The general ordered that the work (should) be finished at once.

注意:当suggest作“暗示,表明”讲,insist作“坚持”说,即坚持事实是怎样时,后边that从句不用虚拟语气。如:

Mike insisted that he had never stolen anything.

The look on his face suggested that he was angry.

二)、advice, suggestion, demand, requirement, requirement, request, desire, order, insistence等相关的表语从句、同位语从句中。如:

My suggestion is that you (should) try another means. (表语从句)

Order came that the army (should) reach next town before dark. (同位语从句)

三)、在It is required\suggested\insisted\ordered + that引导的主语从句中。如:It is required that all the students (should) go to school on foot. (主语从句)

四)、在It is 形容词(necessary, natural, strange, ect.) + that引导的主语从句中。如:It’s necessary\important\natural that we (should) clean the room every day.

It was essential that the application forms (should) be sent back before the deadline.

五)、在It is\was a pity (a shame, no wonder, etc.) + that引导的主语从句中。如:It was a pity \ a shame \ no wonder that our team should lose the game.

当然在四)、五)两类的that从句中也可以不用虚拟语气,而用陈述语气。如:

It is strange that he did not come yesterday.

It is a pity that you can’t dance.

三、It is (high\about) time (that)…后的定语从句中,常用动词的过去式,或should + 动词

原形。此句型表示“现在该……”,用来表示提议。如:

It is high time (that) we started out.

It is about time (that) we began \ should begin our discussion.

四、用动词的过去式表示与现在事实或将来事实相反,用动词的过去完成式表示与过去事

实相反的句型。

一)、wish后that引导的宾语从句中。如:

I wish I were as clever as you. ( 表示与现在事实相反)

I wish he would try again. (表示与将来事实相反)

二)、as if\though引导的表语从句或方式状语从句中。如:

He looks as if\though he were an artist.

He talks as if he had really been to the heaven.

注意:在这种从句中,如果假设的情况很可能会发生,则可以不用虚拟语气。如:He looks as if he’s angry with him

It looks as if it’s going to rain.

三)、would rather后的宾语从句中。如:

I’d rather you didn’t go there.

He’d rather his father had been at his party last night.

四)、if only引导的感叹句中。如:

If only I were a bird. 我要是只鸟就好了。

If only I had worked hard at English.

五、用动词原形表示的虚拟语气

一)、表示祝愿的句子。

May you be happy! 祝你幸福!

Long live the People’s Republic of China. 中华人民共和国万岁!

二)、表示让步的状语从句中。

Come what may. I’ll stick to my plan.

六、虚拟语气表示委婉语气的句型,情态动词的过去式如could, would, might表示现在时

间时,表示说话人的某种态度:谦虚、客气、委婉、不肯定等。如:

It would be better for you not to stay up too late.

Would you be kind enough to show me the way?

高考虚拟语气用法详解()

高考虚拟语气用法详解 一·语气概述 和时态语态一样,语气也是谓语动词的一种形式,它表明说话者的目的和意图。英语中有三种语气:陈述语气,祈使语气和虚拟语气。(有的语法书说语气有四种,即还包括疑问语气)。 eg:①He doesn’t see very well in his right eye .他右眼视力不太好。(陈述语气) ②Have they ever been to Australia ?他们去过澳大利亚没有?(疑问语气) ③Please read through the instruction in advance .请先通读说明书。(祈使语 气) 二·虚拟语气概述 在英语中,由于说话人的意图不同,动词需用不同的形式,称为语气。虚拟语气是指说话人表示一种假设的情况,一种愿望,怀疑,推测,请求等,即认为动词所表示的动作或状态并非事实。虚拟语气可用于状语从句,名词性从句,定语从句及其他结构中。 三·非真实条件句中的虚拟语气 真实条件句(遵循主将从现原则) A.由If引导的两种条件句: 非真实条件句(虚拟语气) 以下为If在非真实条件句中虚拟语气的形式和用法: 假设类型If从句主句 与现在事实相反did (be用were)should/would/ could/might do 与过去事实相反had done should/would/ could/might have done 与将来事实相反1)did 2)were to do 3)should do should/would/ could/might do eg:①If I were you ,I would reconsider their advice .如果我是你的话,我会重新考虑他们的意见。(与现在事实相反) ②You would not have caught a cold if you had put on more clothes .如果你多穿了些衣服,你就不会得感冒了。(与过去事实相反)

英语虚拟语气语法归纳总结

虚拟语气: 表示说的话不是事实,不可能发生或者说可能性很小的情况,表达一种愿望、建议、假设。 if were/did, would do if had done, would have done if were to do/should do, would do 举例: If I were you, I would do nothing about it. If you had taken your teacher’s advice, you wouldn’t have made such a mistake. If it were to/ should rain tomorrow(表示降水率很低),they wouldn’t go shopping. 附注: 虚拟语气,条件状从倒装 状语从句中,去掉if,提前were/ had/ should 如:If I were you, I would give up. →Were I you, I would give up If you had taken the advice, you would have…. →Had you taken the advice, you would have… If the world shou ld come to an end,…… →Should the world come to an end…… 另外,without, but for, otherwise构成的条件状语从句中,也有含蓄的虚拟语气But for the popularization of electricity, we would lead a whole different life today. (popularization 普及,publicity 宣传) Without your help, I would have failed. We’ll go earlier, otherwise we wouldn’t get a seat.(表示可能性小)

高考英语虚拟语气的用法总结

高考英语虚拟语气的用 法总结 -CAL-FENGHAI-(2020YEAR-YICAI)_JINGBIAN

高考英语虚拟语气的用法总结 语气:语气是动词的一中形式,它表示说话人对某一行为或事情的看法和态度。 语气的种类: (1)陈述语气表示动作或状态是现实的,确定的或符合事实的,用于陈述句,疑问句和某些感叹句。如 We are ready. What a fine day it is! (2)祈使语气表示说话人的建议,请求,邀请,命令等。如 Open the door, Please. 应注意以下几点: 1.主语通常是第二人称you,但多不出现,动词用原形,否定用do not 或者don’t 加动词原形(或be) 如 Be careful next time. Don’t smoke here. 2.有时为了强调,主语也可以出现,而且可以是第三人称,谓语动词不加-s或者-es 如You be quiet. He stand up. 3.祈使语气可以用do加强语气如 Do come to see this Sunday. 4.在Let’s 的祈使句后,疑问部分通常用shall we;在Let us后,疑问部分用will you 如 Let’s go out for a walk after supper,shall we /Let us clean our classroom, will you 5. 6.祈使句与连词and连用时相当于一个条件句,而and之后则是表示结果。如Think hard and you will have a good idea. (3)虚拟语气表示动作或状态不是客观存在的事实,而是说话人的主观愿望,假设或推测等。如 If I were you, I should study English. 一.虚拟语气在条件从句的用法 条件句有两类,一类是真实条件句;一类是非真实条件句,也就是虚拟条件句。 如果假设的情况是有可能发生的,就是真实条件句,谓语要用陈述语气。如 If it doesn’t rain tomorrow, we will go to the park. 如果假设的情况是过去或现在都不存在的,或将来不大可能发生的,则是虚拟条件句。如If he had seen you yesterday, he would have asked you about it. 在含有虚拟条件句的复合句中, If her mother had taken the doctor’s advice, she would/might have got well earlier. If it were to rain tomorrow, the match would be canceled. 有时候省略if,采用局部倒装语序。把had /should/were 等动词(不包括行为动词)移到从句的句首。例如:

可用虚拟语气的用法总结

虚拟语气的用法总结 语气:语气是动词的一中形式,它表示说话人对某一行为或事情的看法和态度。 虚拟语气表示动作或状态不是客观存在的事实,而是说话人的主观愿望,假设或推测等。如If I were you, I should study English. 一.虚拟语气在条件从句的用法 条件句有两类,一类是真实条件句;一类是非真实条件句,也就是虚拟条件句。 如果假设的情况是有可能发生的,就是真实条件句,谓语要用陈述语气。如If it doesn’t rain tomorrow, we will go to the park. 如果假设的情况是过去或现在都不存在的,或将来不大可能发生的,则是虚拟条件句。如If he had seen you yesterday, he would have asked you about it. 在含有虚拟条件句的复合句中,主句 If her mother had taken the doctor’s advice, she would/might have got well earlier. If it were to rain tomorrow, the match would be canceled. 有时候省略if,采用局部倒装语序。把had /should/were 等动词(不包括行为动词)移到从句的句首。例如: Were it to rain tomorrow, our picnic would be canceled. Had it not been for the storm, we would have arrived in time. Should the earth stop running, what would happen? 二. 错综时间条件句 有时条件从句的动作和主句动作发生的时间不一致,这时需要根据意思采用表示不同时间的动词形式来进行调整。 If she had taken the doctor’s advice, she might still be alive. If I were you, I would have accepted their terms. 三.含蓄条件句

高考英语总复习(专题攻略)之词汇、短语与句型虚拟语气的用法-难点突破

高考英语中虚拟语气的用法—难点突破 对虚拟语气的测试主要涉及以下方面: 1)主语、表语、同位语、宾语从句中虚拟语气的用法 2)wish , would rather虚拟语气结构的用法 3)if 条件句中虚拟语气的用法,应特别注意省略if 的倒装结构是考试的重点 4)if only 结构中虚拟语气的用法 5)but for , or, otherwise 等含蓄条件句的用法 6)It’s time (that) 等结构中虚拟语气的用法 (一)虚拟语气在虚拟条件句中的运用 条件从句有两类,一是真实条件句,另一是虚拟条件句。如果假设的情况可能发生,是真实条件句,这种情况下谓语用陈述语气。如: If time permits, we’ll go fishing together.如果时间允许,我们就一起去钓鱼。 如果假设的情况是不存在的或不大可能发生的,则是虚拟条件句。如: If you had come yesterday, you would have met that famous professor.如果你昨天来,你就会见到那位著名的教授了。(隐含的事实是:你昨天没来,也没见到那位著名教授)。 在含有虚拟条件句的复合句中,主从句的谓语都要用虚拟语气,现将其形式列表如下:1.表示与现在事实相反的假设和结果。 If I were you, I should(would ,could, might)tell him the truth. 要是我是你,我就会告诉他真相了。(事实上我不是你) If she had time, she would(could, might)help me. 如果她有时间,她就会帮我了。(事实上她没有时间) 2. 表示与过去事实相反的假设和结果。 If you had taken my advice, you wouldn’t(couldn’t) have failed in the exam. 如果你听了我的建议,你就不会考试不及格。(事实上你根本没听我的。) 3.表示与将来事实可能相反的假设和结果

虚拟语气用法总结讲课稿

虚拟语气用法总结

虚拟语气用法总结 朱世梅 新时代大学英语中针对虚拟语气的练习题较多,而学生们往往把握不好虚拟语气的正确使用,现将其用法总结如下: 一.虚拟语气在英语里主要用来表达: a. 非真实的情景,不可能发生的事,即某种与事实相反或难以实现的情况,或说话人主观愿望。 b. 与客观事实相反地情景,即强制性虚拟语气,表示建议、命令、劝告这一类的意思上,表示强烈的要求做到、必须做到这样的含义。 c. 虚拟语气的表达形式是通过动词的变化形式表达的,其特点是主从句时态的不一致,而且一般有明显得标志。 二.虚拟语气的考点为: 1.If 句型 (共有三种句型) 非真实条件句: a.与现在的事实相反:从句用一般过去时,主句的谓语用would (could, might) +动词原形 If I were Bill Gates, I would not work so hard every day. b.与过去的事实相反:从句用过去完成时,主句的谓语用would (could, might) +现在完成时 If I had gone to America when I graduated from middle school, I would have got my PhD degree. c.与将来的事实相反:从句用should (were to,did) + 动词原形,主句的谓语用would (could, might) +动词原形 If it should/were to snow tomorrow, I would go skiing.

注意:虚拟条件句的倒装虚拟条件句的从句部分如果含有were, should, 或had, 可将if省略,再把were, should或had 移到从句句首,实行倒装。 Eg: Should it rain, the crops would be saved. =Were it to rain, the crops would be saved. Eg:_____ to do the work, I should do it some other day. A. If were I B. I were C. Were I D. Was I 答案C. 在虚拟条件状语中如果有were, should, had这三个词,通常将if省略,主语提前, 变成 were, should, had +主语的形式。但在虚拟条件状语从句中,省略连词的倒装形式的句首不能用动词的缩略形式。如我们可说 Were I not to do., 而不能说 Weren't I to do. d.混合条件句主句与从句的动作发生在不同的时间,这时主,从句谓语动词的虚拟语气形式因时间不同而不同,这叫做混合条件句。例如:条件句动作发生在过去,主句的动作发生在现在)谓语动词要根据表示的时间进行调整。 Eg: If it had rained last night (过去), it would be very cold today (现在). 2.Wish 句型表达“但愿…,要是…多好”的语气表示与事实相反的情况,或表示将来不太可能实现的愿望。其宾语从句的动词形式为: He wished he hadn't said that. 他希望他没讲那样的话。 I wish it would rain tomorrow. 我希望明天下雨就好了。 Wish to do表达法: Wish sb / sth to do I wish to see the manager. = I want to see the manager. I wish the manager to be informed at once. (= I want the manager to be informed at once.) 3.在强制性语气的宾语从句中的运用即表示建议、命令、劝告、决心等主观色彩的动词 + that + (should) + 动词原形,其中should 经常被省略。这类动词包括: suggest, propose, recommend, demand, order, command, desire, require, insist,

(完整)虚拟语气用法归纳,推荐文档

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would/could do的形式。当然,也不是所有的AB配就是合理的,有时候在具体语境下,会出现矛盾的情况,这时我们就要结合要表达的意思来 判断他们是对什么情况的假设,选择合适的形式。一般而言,主句的假 设时间会发生在从句的假设时间之后。因为是有这么一个条件才会出现 主句的现状。因此在此类的完成句子练习中,我们要特别提醒注意时间 状语的暗示 1. If I had seen you, I would not be so worried now. (从句是对过去的假设,主句是对现在的假设) 2. If you had not watched television so late last night, you would not be so sleepy now.( 从句是对过去的假设,主句是对现在的假设) 3. If I were you, I would seize the chance to go abroad. (从句和主句都是现在的假设) 4. Had you followed the doctor’s suggestion, you would be fine now.( 从句是对过去的假设,主句是对现在的假设) 5. If I had made some money last summer, I would go on holiday next month.( 从句是对过去的假设,主句是对将来的假设) 6. You didn’t let me drive. If we had driven in turns, you wouldn’t be so tired now. (从句是对过去的假设,主句是对现在的假设) 7. If Jack hadn’t met Rose on his voyage, he would be alive now. (从句是对过去的假设,主句是对现在的假设)

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If there were a heavy snow next Sunday, we would not go skating. 如果下周日下大雪,我们就不能去滑冰了。 If she were to be here next Monday, I would tell her about the matter. 如果她下周一来这儿的话,我就会告诉她这件事的始末。 4、有时,虚拟条件句中,结果主句和条件从句的谓语动作若不是同时发生时,虚拟语气的形式应作相应的调整。这种条件句叫错综条件句。 ①从句的动作与过去事实相反,而主句的动作与现在或现在正在发生的事实不符。 If I had worked hard at school, I would be an engineer, too.如果我在学校学习刻苦的话,我现在也会成为一个工程师了 If they had informed us, we would not come here now. 如果他们通知过我们的话,我们现在就不会来这里了。 ②从句的动作与现在事实相反,而主句的动作与过去事实不符。 If he were free today, we would have sent him to Beijing. 如果他今天有空的话,我们会已经派他去北京了。 If he knew her, he would have greeted her. 要是他认识她的话,他肯定会去问候她了。 5、当虚拟条件句的谓语动词含有were, should, had时,if可以省略,这时条件从句要用倒装语序,即把were, should, had等词置于句首,这种多用于书面语。 Should he agree to go there, we would send him there.要是他答应去的话,我们就派他去。 Were she here, she would agree with us.如果她在这儿的话,她会同意我们的。 Had he learnt about computers, we would have hired him to work here. 如果他懂一些电脑知识的话,我们已经聘用他来这里工作了。 【注意】 若条件从句为否定句,否定词not应置于主语之后,而不能与were,should,had 等缩略成Weren't,Shouldn't,Hadn't而置于句首。 Had it not been for the bad weather we would have arrived on time. 若不是天气坏,我们就准时到达了。 ②有时省略if后提前的had不是助动词: Had I time,I would come. 假若我有时间,我会来的。(=If I had time…) 6、非真实条件句中的条件从句有时不表达出来,暗含在副词、介词短语、上下文或其他方式表示出来,这种句子叫做含蓄条件句。 ①将条件会暗含在介词短语中,如without…, but for…,otherwise(要不是因为)等 But for his help, we would be working now. (要不是他的帮助,我们还会在工作呢。

高考英语助动词虚拟语气用法大全

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can表推测时只用于否定句和疑问句(could无此限制)。couldn't的可能性比can't 小。 4、can与be able to的区别 (1)现在时:无区别,但后者不常用。 (2)完成时;can没有完成时,此时要用have(has,had)been able to。 (3)将来时:can没有将来时,要用will be able to。 (4)过去时:could表示一般能力,was/were able to 表示在具体场合通过努力成功做成某事的能力。 二、may 和might 1、may的用法 (1)表示询问或说明一件事可不可以做。 (2)表示一件事或许会发生或某种情况可能会存在,通常用在肯定句和否定句中。 注意:表示可能性时,can't语气强,表示“不可能”,may not语气弱,表示“可能不”。 2、might的用法 (1)表示询问或允许,指的是过去时间。 (2)表示可能发生的事,可以指过去时间,也可以指现在时间,语气更加不肯定,可能性比may小一些。

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