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英语中虚拟语气的用法

英语中虚拟语气的用法
英语中虚拟语气的用法

虚拟语态

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去式(be 一般用were),主句用would/ should/ could/ might +动词原形,例如:If I were in your position

I would marry her.

②虚拟过去时是表示与过去事实相反的假设,if 从句的谓语形式用过去完成时即had +过去分词,主句用would / should / could / might + have +过去分词,例如:If it had not rained so hard yesterday we could have played tennis.

③大多数的虚拟条件句属于上面三种情况的一种,但并不排除存在条件和后果中,一个和现在情况相反,另一个和过去情况相反,例如:If you had followed what the doctor said, you would not have been so painful now.这个句子在高中出现频率颇高。

④但是,如果后果用了虚拟语气,而条件却用陈述语气,这种用法是错的。

⒉除了表示虚假条件外,if从句还可以表示对将来的推测,由于是将来还没有发生的,所以谈不上是真实的还是虚假的,只能说这个事情发生的可能性有多大。一般情况下,可以用陈述语气的if从句来表示对一个未来事实的推测,这个事实是完全可能发生的。If从句的谓语形式用一般过去式或用were to / should +动词原形,主句用would / should /could/ might +动词原形,例如:Jean doesn't want to work right away because she thinks that if she were to get a job she probably wouldn't be able to see her friends very often.(1996年1月四级第44题)

⒊有时可以把含有助动词、情态动词、be或have的虚拟条件句中的连词if 省去,而将had , should, were 等词提到主语之前,即用倒装结构,这时候,如果出现not等否定词,否定词需放在主语后面。这种结构在口语中很少使用,但频频出现在各类考试中出现,例如:If it had not r ained so hard yesterday we could have played tennis.→Had it not rained so hard yesterday, we could have played tennis.

⒋大多数的虚拟条件通过上面所讲的两种方法表达,但在个别句子中也可以通过介词without和介词短语but for表达,副词otherwise等表达出来。例如:We didn't know his telephone number; otherwise we would have telephoned him.(1995年6月四级第46题)值得注意的是,包含but for的句子,谓语动词必定要用虚拟形式,但包含without等短语的句子,谓语动词未必一定要用虚拟语气。

⒌有时虚拟条件不是明确地表达出来,而在蕴含在用but引导的从句里,于是便出现了有谓语动词是虚拟语气的主句加上谓语动词是陈述语气的but从句构成的并列复合句,例如I would have hung you but the telephone was out of order.在这样的句子里,如果主句没有用虚拟语气,或者从句用了虚拟语气,都是错的。

Ⅱ用在宾语从句中的虚拟语气

⒈在表示愿望的动词wish后的宾语从句中,需用虚拟语气。(wish后的that 常省略),根据主句时态,从句谓语时态相应退后一位,例如:How she wished his family could go with him.

⒉在具有愿望、请求、建议、命令等主观意愿的动词(desire, demand, advice, insist, requi re, suggest, propose, order, recommend, decide …) 后的宾语从句中需用虚拟语气。谓语动词用(should) +动词原形。值得注意的是,如果宾语从句的动词是否定的,否定词not

的位置应在动词之前,而不是动词之后。例如:The head nurse insisted that the patient not be move.另外,如suggest表达“暗示”,insist表示“坚持某种说法”时,后面的从句不用虚拟语气,例如:Her pale face suggests that she is ill.或He insisted that he did not kill the boy.

除此之外,上述动词也要求用虚拟式

①在It is+上述动词的过去分词,其后所跟的主语从句中,如It is suggested that pupils wear school uniforms.

②在上述动词相应的名词形式作主语+连系动词,其后的表语从句中,例如His suggestion was that classed be re-scheduled.

③在对上述动词相应的名词进行解释的同位语从句中,如:The workers raised the demand that their pay be increased to cope with the inflation.

⒊would (had)rather , would sooner也用来表达主观愿望,它们之后的宾语从句中需用虚拟语气。谓语动词用过去式表示现在或将来,用过去完成式表示与过去事实相反,例如:I would rather he went right now.

Ⅲ其他形式的虚拟语气

⒈it is +necessary等形容词后,that主语从句中虚拟形式使用,这类形容词包括necessary, important, essential, imperative, urgent, preferable, vital, advisable等,例如It is necessary that you listen to the teacher carefully.或者It is essential that you be able to pronounce every single word correctly.

⒉在It's (high/about) time 之后的定语从句中需用虚拟语气。谓语动词用过去式,例如It is high time that you went to school

⒊虚拟语气在as if / as though 引导的方式状语从句中的应用(谓语动词形式与wish 后的宾语从句基本相同)表示与现在事实相反或对现在情况有怀疑,谓语动词用过去式。例如:He felt as if he alone were responsible for what had happened. 表示过去想象中的动作或情况,谓语动词用过去完成式。

⒋在lest 引导的状语从句中,谓语动词多用虚拟语气,(should )+ 动词原形。例如:The mad man was put in the soft-padded cell lest he injure himself.(1998年1月四级第38题)

⒌在if only 引起的感叹句中需用虚拟语气。谓语动词用过去式或过去完成式。例如:Look at the terrible situation I am in! if only I had followed your advice.

一、虚拟语态的几种固定句式

1.I wish.....(一定用虚拟)

1)I wish i were you

2)I wish that she were here with me

2、as if...../as though 好象(不一定用虚拟,要看说话的语境``)

1)He speaks as if he were an American.(如果他真的是美国人就不用虚拟了`)

2)He looks as if nothing had happened.

3、if I did/were....I would......

1)If I were you,I wouldn't do that

2)If it were to snow tomorrow,they would not go out

.(用were to 和were的区别是were to 是对将来的虚拟,

用were是对现在的虚拟`详见二、虚拟语态的几种形式```)

二、虚拟语态的几种形式

1、对现在的虚拟:(直接用动词的过去时....)

if I did /were.... I would.......

2、对将来的虚拟:if ..were to..I would....= if ..did...I would....

(此项与对现在的虚拟相同,但对现在的虚拟不用were to.

要区别对将来的虚拟和对现在的虚拟``一般句子里面都有时间标志``)

(If it were to rain tomorrow,we would not go out.

=If it rained tomorow,we would not go out.)

3、对过去的虚拟If I had done....I would have done....

(If I had know the answer, I would have told you.)

(至于If ..had been done ...would have done

前面的been只是因为是被动语态```所以要看句子的具体意思````)

固定句型的补充。

要用虚拟语态的句子:

i would rather i could......(I would rather she could not come here)

if only..(但愿....)

A:I will go to Korean next month.B:If only I could go with you

虚拟语态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,推测,命令,建议,要求等。

o(∩_∩)o...

三种基本结构:

1. 与现在事实相反的假设:一般过去时(be用were),主句结构{ should(would)等+动词原型}

例如:If they were here ,they would help you.如果他们在这,会帮助你的。

2. 与过去事实相反的假设:过去完成时主句结构:{should(would)等+have+过去分词}

例如:If he had come yesterday,i should(would)have told him about it.如果他昨天来的话,我会把这件事告诉他的。

3. 表示对将来不大发生的是的假想。一般过去时,were+不定式,should+动词原形;主句结构:{should(would)+动词原形。

例如:If you succeeded ,everything would be all right.如果你将来成功了一切都会好的。

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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

英语语法专项:虚拟语气用法详解及练习(附答案)

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虚拟语气用法总结讲课稿

虚拟语气用法总结

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实用英语虚拟语气的解析及其用法讲解

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(完整)虚拟语气用法归纳,推荐文档

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英语虚拟语气用法详解

英语虚拟语气用法详解 1. 英语语气的概念 英语有三种语气,即陈述语气、祈使语气和虚拟语气。陈述语气用于陈述事实、提出看法或问题等,祈使语气用于表示请求、命令或警告等,虚拟语气则表示假想或主观愿望。如: I like this book the best. 我最喜欢这本书。(陈述语气) Don’t be so careless. 不要如此粗心大意。(祈使语气) I suggest that we should go tomorrow. 我建议我们明天走。(虚拟语气) If you dropped the glass, it would break. 假如你把玻璃杯掉在地上,它会打碎的。(虚拟语气) 3. 虚拟条件句的基本类型 (1) 与现在事实相反:若与现在事实相反,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 we left now, we should arrive in good time. 假如我们现在就走的话,我们就会及时到达。 (2) 与过去事实相反:若与过去事实相反,条件从句的谓语用过去完成时(had+过去分词),主句谓语用“should (would, coul d, might)+have+过去分词”。如: If he had been in that train then, he might have been k illed in that accident. 如果当时他也在那列火车上,他可能就死于那场车祸了。

(3) 与将来事实相反:若与将来事实相反,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 he went,would you go too? 如果他去,你也去吗?(大概他不会去) If I asked him,I’m sure he’d help us. 如果我向他提出要求,肯定他会帮助我们。(不过我不打算这样做) 3. 错综时间虚拟条件句 所谓错综时间虚拟条件句即条件从句与主句所指时间不一致,如从句指过去,而主句即指的是现在或将来,此时应根据具体的语境情况,结合上面提到的三种基本类型对时态作相应的调整。如:If you’d listened to me, you wouldn’t be in such tro uble now. 如果你听了我的话,你现在也不会有这样的麻烦了。 If you were in better health, we’d have let you go wit h us. 你要是身体好一点,我们就让你和我们一道去了。 4. 含蓄虚拟条件句 所谓含蓄虚拟条件句即指将条件从句隐藏在上下文一定的短语中的一类条件句。如: Anybody else would have believed you. 任何别人都会相信你的话了。 Without your help, I couldn’t have achieved all this. 要不是有你帮助,我不会取得这些成就。 I would have written before, but I have been ill. 我本想给你写信的,但我生病了。 5. if it weren’t (wasn’t) for与if it hadn’t been for

英语 虚拟语气的用法归纳练习

必备英语英语虚拟语气的用法归纳练习 一、初中英语虚拟语气 1. If I _______ you , I _______ do that . A.was , would B.were ; wouldn’t C.am , won’t D.were , won’t 【答案】D 【解析】试题分析:句意:如果我是你,我不会那样做。本句是与现在事实相反的虚拟条件句,从句谓语用动词用过去式(be动词一般用were);主句用should (would,could,might)+ 动词原形。故选D。 考点:虚拟条件句。 2. If I __you . I__study harder. A.am , will B.was, would C.were, would D.were, will 【答案】C 【解析】 试题分析:句意:如果我是你,我会更努力学习。这个句子要用虚拟语气,表示与事实相反。所以用过去式were, would,故选C。 考点:考查虚拟语气。 3. If I you,I buy a bike for him. A.was,would B.was,could C.were,would D.were,could 【答案】C 【解析】 试题分析:句意:如果我是你,我会给他买一辆自行车。buy sth for sb给某人买某物;本句用的是虚拟语气,表示与现在的事实相反,在虚拟语气中不能用was,而用were,因此选C。 考点:考查虚拟语气的用法。 4.If I _____ one million dollars, I________ travel around the world with my parents. A.have; will B.had; will C.had; will D.had; would 【答案】D 【解析】 试题分析:如果我有一百万美元,我要和我的父母环游世界。结合语境可知主句描述的是将来动作,用将来时态。从句中是对将来的虚拟,故用过去时态。选D。 考点:if引导的条件状语从句 点评: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。其主要有三种结构: 1、与现在事实相反 若与现在事实相反,条件从句的谓语用过去式(be通常用were),主句谓语用“should

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