虚拟语气用法总结

虚拟语气用法总结
虚拟语气用法总结

虚拟语气用法总结

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一、语气概述

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、虚拟语气的定义

如果一件事不是真实的,而是虚拟的,就在这个动词身上加一个did。

四、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)

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)

③If I were to / should do it ,I would do it in different way.

如果我做这件事,我将用不同的方法做。(与将来事实相反)

注意:在非正式文体中,如果If 条件句中有助动词were / should / had可将其提于主语之前(位于句首),再把If省掉,即形成部分倒装。

当主从句所表示的时间不一致时,主从句按各自的时间采用相应的谓语形式。

常见的有:①If I were you ... = Were I you ... 如果我是你/我要是你......

②If it were not for ... = Were it not for ... 如果要不是......

③If it had not been for ...=Had it not been for ... 如果当时要不是......

(③主句用:should / could / would / might + have done的形式,ps.在此结构中,had为助动词。若为谓语动词,则不能省略、倒装。)

B.错综时间条件句

主句和从句不是一个时间平台,需要分别在三个时间平台里“选形式”。

从过完用had done,主过将用would do

从用should / were to,主过将完用would have done

eg:

①If the weather had been more favorable ,the crops would be growing still better.

如果天气更好的话,庄稼就会长得跟好些。(从句指过去,主句指现在)

②If I were you ,I would have taken his advice.

我要是你,我就采取了他的建议。(从句指现在,主句指过去)

C.含蓄虚拟条件句(if省略句)

有时假设的情况不以条件句的形式表现出了,而是通过一个介词短语或分词或其他方式表现出来。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。

(1)省略if

Step1:去掉if。

Step2:助系情提到主语之前。

?Were I you, I would go.

?Had I known about the party, I would have come.

?Should I go abroad, I would buy you a gift.

注意:在虚拟主句中,主语只有是第一人称时,才能用should。

(2)根本没有if

有些句子里,没有if,但是有but for(若不是)/ without / under / otherwise / but / or / but that (若不是)等,此时可把它们看做虚拟条件句,然后根据时间平台,选择主句的动词形式。

? Without your help, I wouldn’t have passed the exam.

= If you didn’t help me, I wouldn’t have passed the exam.

=But for your help, I would not have passed this exam.

? I don’t have your telephone number, otherwise / or I would have called you back.

= If I had your number, I would have called you back.

? What would you do with a million dollars?

=What would you do if you had a million dollars?

D.wish,as if / though和if only用法

(1)wish用法如下:

1.表示与现在相反的愿望: 主语+wish(that)...did (were)...

eg: I wish I were a bird.

2.表示与过去相反的愿望: 主语+wish(that)...had done...

eg: I wish I had seen the film.

(注意:如果wish在表达对过去情况的虚拟而不是未实现的愿望时,有

时也可用: 主语+wish(that)...would / could have done)

3.表示与将来相反的愿望: 主语+wish(that)...could / would / might do

eg: I wish you would do that again.

(2)由as if/though引导的表语从句

虚拟:同wish用法;be在第一,三人称可用were / was。

陈述:表示可能发生的几率很大或被假设为真实的。

(3)If only...引导的条件句

(常用感叹的形式)表示强烈的不满,遗憾或愿望,主句常省略,意为:“要是/如果......该多好啊/就好了!”。(注意:“only if ...”意为:“只要......”,位于句首时采用部分倒装。)

表虚拟的时间if only 从句谓语形式

现在did(be动词用were)

过去had+done

将来would / could / might+do

eg:

①If only I could see him once more ! 我要是再见到他就好了!

②If only we had telephoned him in advance ! 要是事先给他打个电话就好了!

E. Suppose / Supposing / providing / provided (that)... / what if...等某些特殊的连词后引导的条件句中(有时无主句),表示与现在或将来事实相反用did;表示与过去相反用had done。

eg:

①Suppose / Supposing (that) we told her the truth. 假定我们把事情的真相告诉她。

②What if you came tomorrow instead of today. 如果我是你明天来而不是今天来呢?

F.would rather后的宾语从句:表示愿望或尚未发生的动作。

had / would sooner / rather + that...从句中意为“宁愿”,用did(be动词用were)表示对现在或将来的虚拟;用had done表示对过去的虚拟。

eg:

①She will get home at dinner time, but I would rather she got home a little earlier.

②He got drunk last night. I’d rather he hadn’t drunk so much.

五、名词性从句中的虚拟语气(should类虚拟语气)

即主句含有:建议、命令、请求、要求、愿望、主张等意思时,后面的从句用(should)+V原/ should have done的形式。但注意,若从句中含有“竟然,惊讶,诧异”之意时,“should”则不可以省。(常见简记:一坚持,二命令,三建议,四要求)其他同下述用法:urge / propose

insist

order / command

advise / suggest / recommend +(that) sb. (should) do

ask / require / request / demand

eg:

①The teacher suggested that we (should) make good use of every minute.

②He ordered that all the book (should) be sent at once.

③She insisted that she (should) go to the south for her holiday.

注意:

虚拟(意为:建议)

(1)suggest (that) +

陈述(意为:表明、暗示、认为)

虚拟:动作尚未发生(即:坚持要求做…)

(2)insist (that) +

陈述:动作已经发生(即:坚持认为某种观点,看法,事实等)

六、副词性从句中的虚拟语气

A.as if / though用法

虽同wish ,但也有一些区别,如下:

as if / though 从句时态不受主句限制。

①在谈论现在情形时用一般过去时。

②在谈论过去情形时用:

Ⅰ.一般过去时:表示过去当时存在的某种状态,但若状态动词后带有持续的时间状语,则要用过去完成时。

eg:

①They talked as if they had been friends for years. 他们谈起话来,好像是多年的朋友。

②He looked at me as if I were mad. 他看着我,好像我疯了似的。

Ⅱ.过去完成时:表过去的动作先于主句而发生,即使主句是现在时,as if 从句中的谓语动词也要用had done。

eg: It seems as if it had gone bad. 它闻起来好像坏了。

③在谈论将来情形时用:would (could/might)+do

B.in case / lest / for fear that 表“以防,以免”等引导的目的状语中的虚拟语气,其后的形为:(should)+ V原(但注意in case 句中的should通常不省)。若不用虚拟也可用陈述,即用:一般现在时或过去时。

C.even if / though “即使/纵然/虽然”

虚拟:同if用法相同。(方法:主句含有情态动词的过去式)

陈述:表示真实情况。

七、形容词性从句中的虚拟语气

固定句型did

It is(high / about / the very / quite)time+(that)定从

译为,“该是…的时候了” Should do

八、虚拟语气固定句型

1. Would you mind+主语+谓语虚拟?您是否介意…?

2. would rather (that)主语+谓语虚拟宁愿…

3. It is high time that sb. did / (should) do sth. 到某人做某事的时间

4. It is necessary / important / essential / strange / natural /

advisable / surprising that sb. (should) do sth.

5. It is a pity / duty / shame / regret that sb. (should) do sth.

6 But for / Without + sth. +主语+谓语虚拟要不是…

7. If only+主语+谓语虚拟要是…就好了!

8.主句+ as if / as though +主语+谓语虚拟就好像…

九、情态动词+have done

could / might have done 本来能做却没做

should / ought to have done 本该做而实际上没做(抱怨和责备)

should not / ought not to have done 本不该做而做了

needn’t have done 本不必做而做了

十、虚拟语气的其他用法

(1)表示过去本打算做而实际上没有做。

句型:had done (be / intend / think / mean / plan / hope etc) to do

= V-ed + to have done ,would love / like to have done

(2)had hoped 表过去未实现的愿望,译为“要想,希望…”,从句谓语常用“would +V原”。eg: He had hoped that the family would come before his granny came. ———2013年湖北高考(3)may(might) as well + V原,译为“不妨,倒不如”,表示劝说、建议、劝告。

若其后带有某种消极情绪时,常用:might.

(4)表示祝愿、命令的简单句中。常用“may +主语+动词原形”。

eg:

①Long may you live.

②May you have a good journey!

(5)表示对过去事情的懊悔时,谓语用“should + have + 过去分词”。

eg: You should have returned the money to Mary.

十一、虚拟语气解题常用技巧

1. 找固定句型。

2. 主过将从过;主过将完从过完。

十二、虚拟用法形式总结

含三种:

①所有含if的从句(除what if…外)。

②wish从句。

含两种:

①某些特殊连词后的条件句。

②what if…从句。

③would rather从句。

④定从中的虚拟。

含一种:

①含蓄虚拟语气(情+have done / do)。

②名词性从句(除wish外)与表“以防”意义的条件句中的虚拟一样(should+V原)。

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

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)

虚拟语气用法总结及详细解析

虚拟语气用法 英语中的语气分为陈述语气、祈使语气、虚拟语气、疑问语气和感叹语气五类。 1、表示动作或状态是客观存在的、确定的或符合事实的,用于陈述句、疑问句和某些感叹句中。 China is an Asian country. (肯定句) How interesting my stay in China has been! (感叹句) 2、祈使句表示说话人对对方的请求、警告,建议或命令。如: Please come over here. 请到这边来。 Watch your steps! 当心!(走路) 3、虚拟语气表示说话者做出的假设而非事实,或难以实现的情况,甚至表达彻底相反的概念。此外,如需表达主观愿望或某种强烈的感情时,也可用虚拟语气。虚拟语气是由句中的谓语动词的特殊形式表示出来的。如: If I were a bird,I would be able to fly in the air. 如果我是一只小鸟,我就能在空中飞行。 I wish I could pass the examination. 我希望我能通过考试。

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。

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,

虚拟语气中的含蓄条件句常见用法总结

虚拟语气中的含蓄条件句常见用法先看一道高考题: ___ more attention ,the trees could have grown better . A.Given B.To give C.Giving D .Having given (答案是A ) 句中" ...the trees could have grown better" 是一个表达虚拟语气的句子。题中要求选择的是如何表达假设条件的形式。如果我们把这个句子用另一种形式"If they had been given more attentio n ,the trees could have grown better ." 来表示,就不难理解了。很多情况下,在表示假设的虚拟语气中,有时假设的条件并不以条件从句的形式表达,而是通过上下文或句中内在的逻辑关系,或用其它形式表达出来,我们称之为" 含蓄条件句" 。含蓄条件句主要通过名词、连接词、不定式、分词、动名词短语、介词短语及分句来暗示。这些表达形式在句中实际起着虚拟条件从句的作用。现分述如下:一、介词短语常用来表示虚拟条件的介词有with ,without ,in ,under ,but for 等等,它们表示的虚拟条件都可以被if 从句替换。 ( 1 ) without ,with without 表示否定的条件,意为if ...not ;with 与without 意义相反,表示肯定的条件。如: Without air , there would be no living things .(without air = if there were no air)没有空气,便没有生物。 With her help (= If I had her help ),I would do the experiment well .假如有她帮助,我就可以把这个实验做好。 ( 2 ) under Under the leadership of a less experienced person ,the experiment would have failed .( u nder ...= If there had been the leadership of a less experienced person )假设在一个缺 少经验的人领导下进行实验,实验准会失败。 (3 ) in I would have lost my head in that position .( in that position = if I had been in that po sition )我处在那种情况下,是会丧失理智的。 ( 4 ) but for

(完整)虚拟语气用法归纳,推荐文档

虚拟语气用法归纳 虚拟语气主要指的的是带有非真实条件状语从句的复合句,表达的是说话人的遗憾后悔的语气,愿望以及建议,命令,要求等等的情感,往往说的是与事实相反或者没办法实现改变的东西。虚拟语气主要表现为在对过去现在或者将来的情况做出假设后,有可能出现的情况。 虚拟语气的内容主要有三大模块,第一模块就是涉及到条件从句部分的内容。这一部分的虚拟语气主要体现在三个方面:基本用法,各自为政,以及含蓄之美。 下表就是条件从句虚拟语气的基本用法: 通常,在上面表格里反映的是非真实条件句的虚拟语气模式,从句和主句的谓语动词时间是一致的,如果两者时间不一致,此时就是混合型虚拟语气。混合型虚拟语气的使用要求“各自为政”,即从句和主句根据各自假设的时间不同,采用上面表格中对应的的谓语动词形式。 如何“各自为政”呢?这就像是数学里的排列组合,一边有三种情况,交叉一搭配就出现了好多种情况。不管怎样,我们要遵循一个原则,就是“各自为政”。例如,从句是对过去情况的假设,而主句则是对现在情况的假设,那我们在使用时,从句就用过去完成式,而主句要用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) 8. If Lily didn’t attend today’s party, she could not have the chance to work in the company next week. (从句是对现在的假设,主句是对将来的假设) 9. Had Father followed my travel plan , our family would not stay at home now. (从句是对

虚拟语气用法归纳优选稿

虚拟语气用法归纳文件管理序列号:[K8UY-K9IO69-O6M243-OL889-F88688]

虚拟语气用法归纳 虚拟语气主要指的的是带有非真实条件状语从句的复合句,表达的是说话人的遗憾后悔的语气,愿望以及建议,命令,要求等等的情感,往往说的是与事实相反或者没办法实现改变的东西。虚拟语气主要表现为在对过去现在或者将来的情况做出假设后,有可能出现的情况。 虚拟语气的内容主要有三大模块,第一模块就是涉及到条件从句部分的内容。这一部分的虚拟语气主要体现在三个方面:基本用法,各自为政,以及含蓄之美。 下表就是条件从句虚拟语气的基本用法: 通常,在上面表格里反映的是非真实条件句的虚拟语气模式,从句和主句的谓语动词时间是一致的,如果两者时间不一致,此时就是混合型虚拟语气。混合型虚拟语气的使用要求“各自为政”,即从句和主句根据各自假设的时间不同,采用上面表格中对应的的谓语动词形式。 如何“各自为政”呢这就像是数学里的排列组合,一边有三种情况,交叉一搭配就出现了好多种情况。不管怎样,我们要遵循一个原则,就是“各自为政”。例如,从句是对过去情况的假设,而主句则是对现在情况的假设,那我们在使用时,从句就用过去完成式,而主句要用

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)

高中英语语法-虚拟语气全总结

虚拟语气在非真实条件句中

①错综时间条件句: 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表示的时间作出相应的调整。如: If you had followed my advice just now, you would be better now. If you had studied hard before, you would be a college student now. ②if省略句 在条件句中可以省略if, 把were, had, should提到句首,变成倒装句式。如:If I were at school again, I would study harder. →Were I at school again, I would study harder. 如果我还有上学的机会,我会更加努力学习。 If you had come earlier, you would catch the bus. →Had you come earlier, you would catch the bus. 如果你来得早点,你就能赶上公共汽车。 If it should rain tomorrow, we would not go climbing. →Should it rain tomorrow, we would not go climbing. 如果明天下雨的话,我们就不能登山去了。 ③用介词代替条件状语从句 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) 如果你有100万元,你会做什么? We couldn?t have finished the work ahead of time without your help. (=if we

英语虚拟语气用法总结

英语虚拟语气用法总结 1、表示与现在事实相反的情况: 从句:主语+过去时 主句:主语+should/would/could/might+do eg: 1.If I were you,I would take an umbrella. 如果我是你,我会带把伞.(事实:我不可能是你) 2.If I knew his telephone number,I would tell you. 如果我知道他的电话号码,我就会告诉你.(事实:不知道) 2、表示与过去事实相反的情况 从句:主语+had+done 主句:主语+should/would/could/might+have done eg: 1. If I had got there earlier,I should/could have met her.如果我早到那儿,我就会见到她. (事实:去晚了) 2.If he had taken my advice,he would not have made such a mistake.如果他听我的劝告的话,就不会犯这样的错误了.(事实:没有听我的话) 3、表示对将来情况的主观推测 从句:主句 ①if+主语+were to do :①主语+should/would/could/might+do ②if+主语+did/were ②主语+should/would/could/might+do ③if+主语+should+do ③主语+should/would/could/might+do eg: 1.If he should come here tomorrow,I would talk to him.

虚拟语气总结:be型和were型知识讲解

虚拟语气总结:b e型 和w e r e型

目录: 学习虚拟语气的三个必知 一、were式虚拟 二、be式虚拟 三、几个特殊的句式 学习虚拟语气必须明确了解以下三点: 1、英语的所谓“虚拟语气”,从用途上区别有三种:一种用来表达与实际情况相反的虚构假设,一种用来表达“祈使愿望”的口气,另一种满足特殊的句式需要。 虚拟语气并不全是在表达虚构的情况,理解这一点非常重要。 2、虚拟语气从句式表现上有三种:表达与实际情况相反的虚构假设用were式虚拟,表达“祈使愿望”的口气be式虚拟,在特殊句式中的照句式要求而定。 3、学习虚拟语气,其目的不在于单纯解决语法问题,更不能停留在应试的层面上。掌握虚拟语气的用法对英语的阅读理解非常重要,尤其是进入大学以后,这一点更为重要。 一、were式虚拟 英语中,被叫做“were式虚拟”的这种虚拟语气,通过扭曲时态形式来表示与实际情况相反的虚构假设,具体的做法是将时态的形式“倒推一个时态”。这样的表述也许不太准确,但是非常实用,也极容易理解。 具体的做法,就是将现在时态变成过去时态,将过去时态变成“过去的过去”。 在这种虚拟语气的用法中,动词be至少要倒退一个时态成为“过去时态”的were(在虚拟语气中一般不用was,is、am、are倒推一个时态以后都写成were)。因此,这种表示与实际情况相反的虚构假设的虚拟语气就就以动词be的变化为例,叫做了were式虚拟。 were式虚拟主要用在wish从句,as if从句和非真实条件句。 下面我们结合具体的例子学习were式虚拟的用法: wish从句的虚拟语气用法: 英语中表达一般性的愿望(即希望)用hope这个词,wish这个词往往表达难以实现或不能实现的愿望,所以要用虚拟语气,我们可以看看具体的用法: I wish I had the money to buy the book. 这句话表达的意思是,“我现在没有钱买这本书,但是希望能买这本书,而因为没有钱,虽然有这种愿望,却也买不了这本书。” wish从句中的动词have用来表达“现在有与没有”的情况,通过一个把have“倒推一个时态”变成had,had实际上表达了一个“现在没有”的概念,正好与have这个词的本义相反。 必须牢记:wish不是hope,wish要表达的是不能实现或难以实现的愿望,必须使用were式虚拟,必须通过扭曲wish从句的时态来体现这种虚拟语气。 下面的情况相同: My little brother wishes he had wings to fly up into the sky.

高中英语虚拟语气用法小结

虚拟语气用法小结 白杨林 河南省社旗县第二高级中学 虚拟语气表示说话人所说的事或话不是事实,而是一种假设,愿望,怀疑或推测。它主要用于条件从句,让步从句和名词性从句中。 一、虚拟语气在条件句中的用法: 虚拟语气常用在条件句中,表假设的情况与事实相反或不太可能实现,这种句子称为虚拟条件句。可分为下列几种情况: (一)由if引导虚拟条件句。如:If I were you,I should study hard.如:If you had come here,you could have met my brother.这种句子的谓语动词一般分三种情况: 1、假设的条件与现在的事实相反,主从句的谓语动词应为:If主+动词过去式或were…,主+would/should/could/might+V、(原形)(主句中should 一般只用于第1人称)。如:If it were not for the smowy weather ,we would be all right. 例1、If I you,I would go with him to the party. A、was B、were C、had been D、will be 析:该句为if引导的条件句,从主语谓语看“would go”(是与现在事实相反),套用上边句型,从句谓语应为动词过去式,若是be动词应为were,所以该题答案应为B。 2、假设的条件与过去事实相反,其句子结构应为:If+主+had done…,主+would/could/should/mi ght+have done… 例2、 more careful,his ship would not have sunk. A、If the captain were B、Had the captain been C、Should the captain be D、If the captain would have been 析:该题题干部分有一谓语动词为would not have sunk,由此可知是对过去事情的虚拟,便可推出从句的谓语动词应为had done形式,再看选项,

虚拟语气的基本用法归纳

虚拟语气的基本用法归纳 今天我们从以下几个方面来掌握虚拟语气的基本用法。 一、虚拟语气的使用范围: 虚拟语气用来表示说话人所说的话并不是事实,而是一种假设、愿望、怀疑或推测。该语法主要用于if 条件状语从句中,也可用于主语从句、表语从句和宾语从句等。 二、虚拟语气的判断: 1. if 条件状语从句中虚拟语气的判断。if 条件状语从句有真实条件句和非真实条件句。假设条件可以实现的句子为真实条件句,反之为非真实条件句,要用虚拟语气。其形式分为以下三种: (1) 与过去事实相反的假设。结构为:从句的谓语动词用“had + 过去分词”,主句用“should (would, could, might) + have + 过去分词”。例如: If it had not rained so hard yesterday, we could have played tennis. 如果昨天没有下大雨,我们就能玩网球了。(2) 与现在事实相反的假设。结构为:从句的谓语动词用过去式,系动词用were,主句的谓语用“should (would, could, might) + 动词原形”。例如: If I were in your position, I would marry her. 如果我是你,我就娶她为妻。

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