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虚拟语气用法及动词形式

虚拟语气用法及动词形式
虚拟语气用法及动词形式

虚拟语气用法及动词形式

1、表示与现在事实相反的情况:

从句:If 主语+过去时

主句:主语+should/would/could/might+do

2、表示与过去事实相反的情况

从句:If 主语+had+done

主句:主语+should/would/could/might+have done

3、表示对将来情况的主观推测

从句:①if+主语+were to do 主句: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

4、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

Were she here,she would agree with us.如果她在这儿的话,她会同意我们的。

5、非真实条件句中的条件从句有时不表达出来,只暗含在副词、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,在多数情况下,条件会暗含在短语中,如without…,but for…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。

6、注意,在虚拟语气的从句中,动词be的过去时态一律用were,不用was。

wish 后宾语从句

a、表示与现在事实相反的愿望,谓语动词用过去式

b、表示与过去事实相反的愿望,谓语动词:had+done

c、表示将来难以实现的愿望

谓语动词:should/would(情态动词) + 动词原形

(注:if only引导的感叹句和as if/as though引导的状语从句也有相同用法)

目的状语从句

1、在for fear that,in case,lest引导的从句中,若用虚拟语气时,从句谓语为:should + do。并且 should能省略

2、在so that,in order that所引导的目的状语从句中,从句中的谓语为:can / could / may / might / will / would / should + do。

其他用法

a、想要(desire)宁愿(prefer)命令(order. command)建议(advise. suggest. propose/recommend)要求(demand. require. request. ask.insist)中,无论主句谓语动词

为何种时态,从句的谓语动词都用:"should + do"。should可以省略

insist意为“坚持某种动作”才用虚拟语气;意为“坚持某种观点,某个事实”则不

用虚拟语气。

suggest意为“建议”才用虚拟语气,意为“暗示”则不用虚拟语气。

b、表情绪.观点的形容词或名词也要用虚拟语气.如:necessary、important、impossible、natural、strange、surprising、funny、right、wrong、better、a pity等。

句型:It is.......that +主语从句,从句的谓语动词都要用should+原型或只用动词原型。

c、在even if,even though 所引导的让步状语从句中用may/might+动词原形,may/might可以省略,表示与现在相反的情况;从句用过去完成时,表示与过去相反的情况,

类似的词有though/even though/whatever/however/so long as; 主句、从句的结构与if 所引导的条件从句结构相同。

4、在whatever,whichever,whenever,whoever,wherever,however,no matter wh-等引导的让步状语从句中,从句虚拟语气结构为:

指现在或将来:may +do。

指过去:may +have done 。

5、一般would rather,had rather,would sooner等之后的宾语从句常表示与客观事实不相符的一种愿望,故使用虚拟语气。其虚拟语气的结构为:

过去 had + done

现在过去时(be 用were )

将来过去时(be 用were )

6、虚拟语气还可用在定语从句中,表示:“早该做某事了”时,定语从句中的谓语动词须用虚拟语气,其虚拟语气的结构为:It is (high / about) time that + 主语+ 动词的过去式/ should + do,即从句用虚拟过去式。

⑤表示对过去情况的责备时,常用虚拟语气。其虚拟语气的结构为:情态动词 + have done。

省略连词if

有时可将条件从句的连词if省略,但此时应用倒装句型,即把从句中的were,should,had 等提到句首:

【注】

①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。

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…)

省略主语和动词be

若主从句主语一致,且谓语部分包含有动词be,通常可将主语和动词be省略:

省略“it+be”

高考虚拟语气用法详解()

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英语虚拟语气语法归纳总结

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虚拟语气用法详解

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英语虚拟语气类型用法

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高考英语虚拟语气知识点经典测试题及解析

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高中英语提高之虚拟语气用法

虚拟语气用法 虚拟语气用法
概念
虚拟语气用来表示说话人的主观愿望或假想, 而不表示客观存在的事实, 所说的是一个条件, 不一定是事实,或与事实相反。虚拟语气通过谓语动词的特殊形式来表示。英语中的语气分 为陈述语气、祈使语气、虚拟语气三类。
应用条件
在表示虚假的、与事实相反的或难以实现的情况时用虚拟语气,表示主观愿望或 某种强烈情感时,也用虚拟语气。即当一个人说话时欲强调其所说的话是基于自己的 主观想法,而不是根据客观实际,就用虚拟语气。
在非真实条件状语从句中的用法
真实条件状语从句与非真实条件状语从句
条件句可分为两类,一类为真实条件句,一类为非真实条件句。非真实条件句表 示的是假设或实际可能性不大的情况,故采用虚拟语气。 例: If he doesn’t hurry up, he will miss the bus. 如果他不快点,他 将错过巴士。( 真实) If he is free, he will ask me to tell stories. 如果 他是空闲的,他会要求我讲故事。 (真实) If I were you, I would go at once. 如果我是你, 我马上就会去。(非真实, 虚拟语气) If there were no air, people would die. 如果没有空气,人就会死亡。 (非真实,虚拟语气)
用法及动词形式
从句
If+主语 +did If+ 主语+did 主语 were) ( be 动词 were )
主句
与现在事实相反
主语+should/would/ 主语 +should/would/ could/might+do

虚拟语气用法总结及详细解析

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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。

高中英语虚拟语气的用法

高中英语虚拟语气的用法 一、考查虚拟语气在条件从句中的用法 时间从句谓语形式(be用were不可改变)主句谓语形式 将来一般过去时(be用were) would/should/might/could+动词原形 现在一般过去时(be用were) would/should/might/could+动词原形 过去现在完成时would/should/might/could+had done (1)If he my advice, he wouldn' t have lost his job. A. followed B. should follow C. had followed D. would follow (2)If we the other road, we might have arrived here in time for the meeting. A. taken B. had taken C. took D. have taken (3) -John went to the hospital alone. -If he me about it, I would have gone with him. A. should tell B. tells C. told D. had told 二、考查特殊句型中的虚拟语气 英语中需要使用虚拟语气的特殊句型不多,主理有以下类: 1.“倒装”类虚拟语气 当虚拟条件句中含有were, should, had时,有时可将引导虚拟条件句的连词if省略,而将从句中的were,should, had提到句首,构成倒装形式的虚拟语气。如: If he were here, she would agree too.→Were she here, she would agree too.如果她在这里,她也同意的。. If it should rain tomorrow, we should have to put off the match. →Should it rain tomorrow, we should have to put off the match.假若明天下雨,我们只好推迟这场比赛。 If we had found him earlier we could have saved his life.→Had we found him earlier we could have saved his life. 要是我们当时早点找到他的话,我们就可以救活他。 注意,如果条件从句的谓语为否定式,其中的否定词not应置于主语之后,而不能与were,should, had等缩略成Weren' t, Shouldn' t, Hadn'场置于句首。如:我如不是警告了你,你就可能丧命了。 正: If I hadn' t warned you, you could have been killed. 正: Had I not warned you, you could have been killed. 误: Hadn' t I warned you, you could have been killed. 另外,有时省略if后提前到句首的had可能不是助动词,而是实义动词。 如: Had I time, I would go with you.假如我有时间,我就同你们一起去。句中的had不是构成过去完成时的助动词,而是表示“有”,如果不省略if ,完整形式为:If I had time, I would go with you. (1) Had I known about this computer program, a huge amount of time and energy____. (2010浙江卷) A.would have been saved B. had been saved C. will be saved D. was saved (2) fired, your health care and other benefits will not be immediately cut off. (2006湖北) A. Would you be B. Should you be C. Could you be D. Might you be 2.“宁愿”类虚拟语气 这里说的“宁愿”主要是指would rather。当它后接句子的时候,句子的谓语通常要用虚

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.

虚拟语气用法大全

1.虚拟语气在条件句中的用法 (1)若表示与现在事实相反的假设,则条件从句中用过去式,主句中用过去将来式(would,should,could,might + 动词原形);若表示某事将来实现的可能性不大,则条件从句中用should + 动词原形也可用“were to+动词原形”或用过去式动词。如: 2)若表示与过去事实相反的假设,从句中用过去完成式,主句中用过去将来完成式(should,would,could,might + have + 过去分词)。如: busy. (3)含有虚拟语气的条件状语从句中,如有had,should,were 这三个词的话,在正式或书面语言中可将if省略,再将句子的主语和谓语动词实行全部倒装或部分倒装。如: (4)若主句从句所指的时间不一致,即条件从句表示与过去事实相反,主句表示与现在事实相反;或者条件从句表示与现在事实相反,主句表真实情况,则从句中应采用与具体时间相对应的虚拟形式。如: 2.虚拟语气在宾语从句中的用法 在动词suggest,order,demand,propose,request,command,insist等后的宾语从句中,用虚拟语气(即Should+动词原形或只用动词原形)来表示愿望、建议、命令、请求等。在动词wish /would rather后的宾语从句中,用过去式表示与现在事实不符,用过去完成式表示与过去事实不符。如: 3.虚拟语气在主语从句中的用法 在It is necessary/important/strange/natural;It is requested/suggested/desired/proposed;it is a pity等结构后的主语从句中要用虚拟语气,即Should+动词原形或只用动词原形。如: 4.虚拟语气在表语从句、同位语从句中的用法。 在 suggestion, proposal,idea,plan,order,advice等名词后的表语从句、同位语从句中要用虚拟语气,即should+动词原形或只用动词原形 5.虚拟语气在其他状语从句中的用法 在as if引导的状语从句中,用过去式表示与现在事实不符,用过去完成式表示与过去事实不符;在so that,in order that引导的状语从句中,常用should/would/could/might+动词原形来表示虚拟语气。 6.虚拟语气在定语从句中的用法: 在it is time后面的定语从句中常用过去式表示虚拟语气。 虚拟语气(Subjunctive Mood)这一语法项目是各类英语考试中心测试的重点之一。虚拟语气是一种特殊的动词形式,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。 Ⅰ用以表示虚拟条件的虚拟语气 ⒈ 用if条件从句表示的虚拟条件,是虚拟条件最普通的方式。 ① 虚拟现在时表示与现在事实相反的假设,其if 从句的谓语形式用动词的过

谈英语中虚拟语气的用法

连云港育青外国语学校李老师谈英语中虚拟语气的用法 虚拟,在汉语中表示一种假设的,不存在的情况,同样,英语中虚拟语气是用来表示说话人 的主观愿望或假想,而不表示客观存在的事实,所说的是一个条件,不一定是事实,或与事 实相反。虚拟语气通过谓语动词的特殊形式来表示。在初中阶段,虚拟语气一般用于下列情况: 一、条件状语从句 1、与现在事实相反 若与现在事实相反,虚拟语气的条件从句的谓语用过去式(be通常用were),主句谓语用“should (would, could, might)+动词原形”。如: If I were you, I would take an umbrella. 如果我是你,我会带把伞。(事实上我不可能是你) If I knew her number I could ring her up. 要是我知道她的电话号码,我就可以给她打电话了。 (事实上我不知道) 2、与过去事实相反 若与过去事实相反,从句:主语+had done ,主句:主语+should/would/could/might+have done,例如: If I'd left sooner,I'd have been on time. 要是我早点动身,我就准时到了。(但我动身太迟了) 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) 3、与将来事实相反 从句:①if+主语+were to do 主句: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 例如:If he went,would you go too? 如果他去,你也去吗?(大概他不会去) If he should come here tomorrow, I would talk to him. 如果他明天来这儿的话,我就跟他 谈谈。(事实:来的可能性很小) 注意与说明:对于与将来事实相反的情形,请注意以下几点: 一是这里说的与将来事实相反,实为对将来情况的推测; 二是此用法中的条件从句谓语除用过去式外,有时也用“should+动词原形”( 表示可能性极小, 表示与将来事实相反的假设); 常译为“万一”) 或“were to+动词原形”( 三是当条件从句使用“should+动词原形”这样的谓语时,主句谓语除可用“should (would, could, might)+动词原形”这样的虚拟语气外,也可用陈述语气或祈使语气。如: I should see him, I'll tell him. 万一我见到他,我就告诉他。 万一明天下雨,就别等我了。 If it should rain tomorrow, don’t expect me. 二、wish 后宾语从句 1、表示与现在事实相反的愿望,谓语动词用过去式。例如: I wish I had your brains. 我希望我有你那样的头脑。(事实:我根本比不上你) 2、表示与过去事实相反的愿望,谓语动词:had+done 例如: I wish I had knownthe truth of the matter. 我希望我那时就知道这件事情的真相。(事实:那时还不知道) 3、表示将来难以实现的愿望,谓语动词:should/would(情态动词)+ 动词原形 I wish I should havea chance again. 我希望我还能有一次这样的机会。(事实:很难再有 这样的机会了) 常见考法

实用英语虚拟语气的解析及其用法讲解

实用英语虚拟语气的解析及其用法讲解 在当前英语语法当中,有一些学生总结的几个难点语法,其中之一就是虚拟语气,怎样判断出句子使用了虚拟语气,是哪一种形式的虚拟语气是学生无法清楚掌握的难点。本文从虚拟语气的定义到各种形式都进行了详细的讲解和分析,并针对各种形式的用法都进行了分析和举例,讲解明白,以帮助学生们能更好地了解和掌握英语语法中这个难学的语言现象。 标签:英语虚拟语气;定义;用法;分析及举例 一、虚拟语气的定义(Subjunctive Mood) 在我们了解什么是虚拟语气前,大家首先要弄清楚英语的语气表达,也就是英语学习中我们都会用到哪些语气。英语中的语气(Mood)可以分为:1The Indicative Mood(陈述语气);2The Interrogative Mood(疑问语气);3The Imperative Mood(祈使语气);4The Subjunctive Mood(虚拟语气)4类。陈述、疑问、祈使语气在本文中就不再过多阐述。而我们在这里重点讲解虚拟语气。什么是虚拟语气呢?虚拟语气用来表示假想,而不表示客观存在的事实,所说的是一个条件,不一定是事实,或与事实相反。虚拟语气通过谓语动词的特殊形式来表示。虚拟语气表示说话者所说的话并非事实,或难以实现的,甚至表达相反的概念。另外表示主观愿望或表达某种强烈的感情时,也用虚拟语气。 二、虚拟语气的判断及用法 (一)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”。 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”。 3与将来事实相反的假设。结构为:从句的谓语动词用“should(wereto)+动词原形”,主句用“should(would,could,might)+动词原形”。 (二)宾语从句中的虚拟语气 1wish后接宾语从句中的虚拟语气:根据从句的意义来判断 A:表示与现在和将来事实相反的愿望,从句谓语动词用过去时态。例如:

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,

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