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初中英语语法虚拟语气的结构和用法

英语虚拟语气视频

353 评论(14)

兜里五块糖

虚拟语气主要用来表示假设,而非客观存在的事实,所陈述的是一个条件,不一定是事实,甚至完全与事实相反。虚拟语气通过谓语动词的特殊形式来表示。

1、陈述语气

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。如:

Iraq is an Asian country伊拉克是亚洲国家。(肯定句)

2、祈使语气

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。

3、虚拟语气

虚拟语气表示说话人的主观愿望、猜疑、建议或与事实不符的假设等,而不表示客观存在的事实。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。

扩展资料:

应用条件:

在表示假想的虚假的、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,愿望,假想,猜测,怀疑或建议,而不是根据客观实际,就用虚拟语气。主要是英语语法的一种表达。

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。

参考资料来源:百度百科——虚拟语气

335 评论(8)

沧桑小脸

英语语法有词类也有句型,我们现在来看看虚拟语气的用法。下面是我给大家整理的英语语法虚拟语气讲解,供大家参阅!

if only 与 I wish一样,也用于表示与事实相反的愿望,其后所虚拟语气的时态与 wish 后所接时态的情况相同:

If only she had had more courage! 她再勇敢一些就好了。

If only it would stop raining! 雨要是停了就好了。

If only he didn't drive so fast. 但愿他车没开得那么快。

If only I were [was] better looking. 要是我长得漂亮些就好了。

If only I had listened to my parents! 我要是当时听了父母的话就好了。

If only she would go with me! 她要是愿意和我一道去就好了!

【友情提示】if only 通常独立使用,没有主句。

would rather后接句子时,句子谓语习惯上要用虚拟语气,具体用法为:

1.一般过去时表示现在或将来的愿望

I'd rather you went tomorrow (now). 我宁愿你明天(现在)去。

I'd rather you came next Saturday. 我宁愿你下星期六来。

I'd rather you were happy. 我愿你快乐。

I'd rather she sat next to me. 我宁愿她挨着我坐。

I'd rather Jack left on an earlier train. 我宁愿杰克乘前一班火车走。

You always go without me and l'd rather you didn't. 你总是不带我去,我可不愿意你这样。

“Shall I open the window? ” “I'd rather you didn't. ”“我要不要把窗子打开? ” “我看不要打开好。”

2. 用过去完成时表过去的愿望

I'd rather you hadn't said it. 我真希望你没有这样说过。

I'd rather you hadn't done that. 我宁愿你没这样做。

l'd rather you had been / hadn't been present。我 (宁) 愿你当时在场 / 不在场。

l'd rather he had told / hadn't told me about it 我 (宁) 愿他告诉了 / 未告诉我这件事。

Katie went by car and I'd rather she hadn't. 凯蒂是坐汽车去的,我宁愿地不坐汽车去。

虚拟语气是一种特殊的动词形式,表示所说的话不是一个事实,而只是一种假设,愿望,建议,怀疑,猜测或不大可能实现的空想。

I.虚拟语气用在条件状语从句中

虚拟语气用在条件状语从句中,通常从句由连词if 引导。

1.与现在事实相反的虚拟条件句

条件状语从句主句

If +主语 +动词过去式主语+ would, should, could, might+原形动词

(be的过去式用were)

例如:

If I feared death, I wouldn't be a communist.

(刘胡兰)怕死就不做共产党员。

If there were no air, we couldn't live.

如果没有空气,我们就不能生活。

Example:

I would ask George to lend us the money if I ______ him.

A. had known B. knew C. have known D. know

I _____ it to him if I thought he would understand.

A. shall explain B. will explain C. would explain D. explain

2.与过去事实相反的虚拟条件句

构成

条件状语从句主句

If + 主语 + 动词过去完成式主语 + would, should, could, might+have + 过去分词

例如:

If you had come a few minutes earlier, you would have met him.

如果你早来几分钟,你就会碰上他。

If there had been no air in the tube, the result of the experiment would have been more accurate.

如果试管中没有空气,实验结果就会更精确。

Example:

If you hadn't gone with Tom to the party last night, _______.

A. you would meet John already

B. you won't have missed John

C. you will have met John

D. you would have met John

3.与将来事实相反的虚拟条件句

构成

条件状语从句主句

If + 主语+ should +原形动词主语+would,should,could,might或were+不定式+原形动词

例如:

If he were to come tomorrow, things would be easier.

假如他明天会来,事情就容易办了。

If the sand should be broken up, it would give out much energy.

如果沙子能被分解,它会释放出大量的能量。

注:在表示与将来事实相反的虚拟条件句中,从句中的should有时可以省略。如:

If he make the design, he might do it in some other way.

要是他来搞这个设计,他可能用另外的方法设计。

Example:

If the sea ____ to rise 50 feet, India would become an island.

A. will B. is C. was D. were

If you ____ to see Mary, what would you tell her?

A. are B. will be going C. must D. were

We might still catch the train if we ___.

A. make hurry B. haste

C. make haste D. hastily

4.错综时间的虚拟语气

在一些含有虚拟语气的句子中,如果主句与从句的谓语表示不同的时间,虚拟语气可有不同形式,即主句与从句各自按自己的时间构成虚拟形式。例如:

If I had met him before, I could recognize him.要是我以前遇见过他,我就能认出他了。

(从句表示与过去事实相反,主句表示与现在或将来事实相反)

If we were driving at a speed of 100 Li an hour, we would have arrived there 2 hours ago. 如果我们的行车速度每小时100里,两小时以前我们就会到达那里了。

(从句与现在事实相反,主句与过去事实相反)

Example:

If you _____ that late movie last night, you wouldn't be sleepy.

A. haven't watched

B. didn't watch

C. hadn't watched

D. wouldn't have watched

5.省略连词if

在条件状语从句中,如果有were, should, had,可以把连词if 省去,把 were, should, had 放在句首,构成条件意义。例如:

Should it rain tomorrow, what would you do? 万一明天下雨,你怎么办?

Were there no friction, we could not walk. 要是没有摩擦力,我们就不能行走。

Had we known about the new method, we should have applied it earlier.

如果我们过去知道这种新方法,我们早就应用了。

Example:

Had Alice been more hardworking, she _______.

A. had not failed B. would not fail

C. could not be failed D. would not have failed

_______ today, he would get there by Friday.

A. Would he leave B. Was he leaving

C. Were he to leave D. If he leaves

______ difficulties, we would be successful.

A. Should we overcome B. Would we overcome

C. Might we overcome D. Could we overcome

6.虚拟结构中省略主句或从句

虚拟结构中有时可省去主句或从句,并不影响意义的完整。

(1)省去条件从句

That would be fine. 那太好了。(省去了if you would come 或类似条件)

I wouldn't pass up the chance to visit China. 我不会放弃访问中国的机会。

We might have produced more coal. 我们可能生产出更多煤炭。

注:省略条件句,在试题中很少见到。

(2)省去主句,常用以表示愿望。从句谓语多用过去时或过去完成时。

If only she were here. 假如她在这儿该多好啊!

If only he lived! 假如他活着该多好啊!

If only I had known it before. 如果我早先知道这件事,那就好了。

Example:

If only it _____! but it is too late.

A. is avoided B. has avoided

C. could be avoided D. can be avoided

If only everything _____ out as we wanted it to in life!

A. is working B. worked

C. works D. has worked

208 评论(9)

康康是逗逼

1)在表示“坚持”、“命令”、“建议”、“要求”等后的宾语从句要用虚拟语气。这类动词有人归纳为“一个坚持(insist)、两个命令(order,command)、三个建议(advise,suggest,propose)、四个要求(demand,require,request,ask)”,这类虚拟语气由“should+动词原形”构成 如下:Iinsistedthathe(should)stay.我坚持要他留下。Thedoctoradvisedthathechangehisjob.医生劝他换工作。注:动词insist,suggest后接宾语从句时,除可用虚拟语气外,也可用陈述语气,两者的区别是:若从句内容尚未成为事实,则用虚拟语气;若从句内容已经成为事实,则用陈述语气。 2)wish有时也有这一用法,如:要表示与现在事实相反的愿望,从句谓语用一般过去时或过去进行时,表示与过去相反的愿望,从句谓语用过去完成时或would/could+have+过去分词,表示将来没有把握或不太可能实现的愿望,用would(could)+动词原形。如:Iwishheweremorecareful.你是你更仔细点就好了。IwishIhadn’tsaidthat.我要是没有说那话就好了。IwishIcouldspeakyourlanguage.但愿我能讲你们国家的话。3)还有,ifonly与Iwish一样,也用于表示与事实相反的愿望,其后所虚拟语气的时态与wish后所接时态的情况相同。如:IfonlyIweren'tsonervous.但愿我不这样紧张。4)另外,以asif(asthough)引导的方式状语从句或表语从句,有时用虚拟语气,若表示与现在事实相反,谓语动词用一般过去时;若表示与过去事实相反,用过去完成时;表示将来的可能性不大,用would(might,could)+动词原形。如:Iloveyouasifyouweremyson.我爱你就像你是我的儿子。注:若从句所内容可能为事实,也可用陈述语气。如:tseemsasifweshallhavetowalk.似乎我们得步行了。 5)wouldrather(注意,这个常用哦)通常用一般过去时表示现在或将来的愿望,用过去完成时表过去的愿望。如:I’dratheryoudidn'tdoit.你宁愿你别这样做。

170 评论(9)

秋日偶语

英语虚拟语气讲解英语虚拟语气讲解英语虚拟语气讲解英语虚拟语气讲解 英语虚拟语气讲解 语气 (mood)是一种动词形式,用以表示说话者的意图或态度。英语中的语气有三种:陈述语气、祈使语气和虚拟语气。 直陈语气(indicative mood),表示所说的话是事实。 祈使语气 (imperative mood),表示所说的话是请求或命令。 虚拟语气(subjunctive mood),表示说的话不是事实,或者是不可能发生的情况,而是一种愿望、建议或与事实相反的假设等。 一. 虚拟语气在条件句中的应用 学习虚拟语气在条件句中的用法之前我们必须清楚条件句的种类:条件句有真实条件句与非真实条件句(或称虚拟条件句)两种。真实条件句所表的假设是可能发生或实现的,句中的条件从句与结果主句都用陈述语气。 如: If it doesn’t rain tomorrow, I will go for a picnic. 假若明天不下雨,我就去野餐。 Oil floats if you pour it on water. 你如把油倒在水里,油就浮起来。 虚拟条件句所表的假设则是不可能或不大可能发生或实现的,句中的条件从句与结果主句皆须用虚拟语气。 条件从句 主句 与现在事实相反 If 主语 +动词过去式(be的过去式用were) should (would, might, could)+动词原形 与过去事实相反 If 主语 +had+过去分词 should ( would, might, could)+ have +过去分词 与将来事实可能相反 If 主语 +动词过去式(be的过去式用were); should+动词原形;were to+动词原形 should (would, might, could)+动词原形

337 评论(13)

A.灰~白~黑~

听老师之间的对话学习虚拟语气

348 评论(13)

Emily147303

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。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。 eg: 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 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 例: 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) 3.If there were no air or water, there would be no living things on the earth. 如果没有水和空气,地球上就不会有生物。(事实:地球上既有空气也有水) 4.If I had any money with me, I could lend you some. 如果我带钱了,我就会借给你些。(事实:没带钱) 5.If he studied harder, he might pass the exam. 如果他再努力些,就能通过考试了。(事实:没有努力) 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 例: 1. If I had gotten 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: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: 1.If he should come here tomorrow, I should/would talk to him. 如果他哪天来这儿的话,我就跟他谈谈。 (事实:来的可能性很小) 2.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。(事实:不知能否下雪) 3.If she were to be there 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。 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。 如: 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。 如: 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,即将were, should, had等词置于句首,这种多用于书面语。 如: 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。 6、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 如: But for his help, we would be working now. 要不是他的帮助,我们还会在工作呢。 Without your instruction, I would not have made such great progress. 要是没有你的指导,我不会取得如此大的进步。 We didn’t know his telephone number; otherwise we would have telephoned him. 我们不知道他的电话号码,否则我们就会给他打电话。 7、 有时,虚拟条件句中,主、从句可以省略其中的一个,来表示说话人的一种强烈的感情。 ①省略从句 He would have finished it. 他本该完成了。 You could have passed this exam. 你应该能通过这次考试了。 ②省略主句 If I were at home now. 要是我现在在家里该多好啊。 If only I had got it. 要是我得到它了该多好啊。、编辑本段虚拟语气(Subjunctive Mood)的其他用法用在wish 后的宾语从句 a、表示与现在事实相反的愿望,谓语动词用过去式 eg. 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) b、表示与过去事实相反的愿望,谓语动词:had+done eg:.I wish I had known the truth of the matter. 我希望我原来知道这件事的真相。(事实:原来不知道) c、表示将来难以实现的愿望 谓语动词:should/would + 动词原形 eg. I wish I should have a 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) (注:if only和as if/as though也有相同用法)用在目的状语从句中 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 + 动词原形。并且 should不能省略 She examined the door again for fear that a thief should come in. 她又把门检查了一遍,以防盗贼的进入。 He started out earlier lest he should be late. 他很早就出发了以防迟到。 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 / may / could / might / will / would / should + 动词原形。 He goes closer to the speaker so that he can hear him clearer. 他走近说话的人以便能听得更清楚。 He read the letter carefully in order that he should not miss a word. 他把信读得很仔细以便不漏掉一个单词。其他用法 1、一想要(desire)二宁愿(prefer)三命令(order. command)四建议(advice. suggest. propose)五要求(demand. require. request. desire.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 + 动词原形”或只用“动词原形”。 如: He suggested that we (should) takethe teacher’s advice. He insisted that we (should) takethe teacher’s advice. He demand that we (should) takethe teacher’s advice. He ordered that we (should) takethe teacher’s advice. insist如果翻译成坚持某种动作才用虚拟语气;翻译成坚持某种观点就不用虚拟语气。 如:He insists he is a student. 他坚持说他是个学生。 这个语句表示的是事实,因此在这个语句中不能使用虚拟语气。 suggest意为“建议”才用虚拟语气,意为“暗示”则不用虚拟语气。 如: His face suggests that he looks worried . 他的表情暗含着他很担心。 这个句子本身是事实,因此它就没有用到虚拟语气。 2、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。 3、 在even if, even though 所引导的让步状语从句中,可用虚拟语气,主句、从句的结构与if所引导的条件从句结构相同。如: Even if he were here himself, he should not know what to do. 即使他亲自来也不知该怎么办。(事实:他没来) Nobody could save him even though Hua Tuo should come here. 即使华佗在世也救不了他。(事实:华佗不在世) 4、 在whatever,whichever,whenever,whoever, wherever,however, no matter wh-word 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 +动词原形。 如: We will finish it on time no matter what may happen. 不管发生什么事,我们都要按时完成。 We will find him wherever he may be. 无论他在哪里,我们都要找到他。 I will wait for him no matter how late he may come. 不管他来的多么晚,我都会等他。 指过去: may +完成式 。 如: You mustn’t be proud whatever great progress you may have made. 不管你取得了多么大的进步,你也不能骄傲。 We must respect him no matter what mistakes he may have made. 不管他犯过什么错误,我们必须尊敬他。 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 + 过去分词 现在 过去时(be 用were ) 将来 过去时(be 用were ) 如: I’d rather you had seen the film yesterday. 我倒想你昨天看过了这场电影。 I’d rather you were here now. 我倒想你现在在这儿。 We’d rather you went here tomorrow. 我们倒想你明天去那儿 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 + 动词原形,即从句用虚拟过去式。 如 It is time that I went to pick up my daughter at school. 我该去学校接我的女儿了。 It is high time you should go to work. 你早该上班了。 7、 简单句中的虚拟语气 (1) 说话时,为了表示客气、谦虚、委婉而有礼貌,言语常使用虚拟语气。其虚拟语气的结构形式常为:would / could / might / should + 动词原形。 如: Would you mind my shutting the door? 我把门关起来你介意吗? You should always learn this lesson by heart. 你要把这个教训牢记于心。 I should agree with you. 我应该同意你的观点。 (2) 表示“祝愿”时,常用may + 主语+ 动词原形。 如: May you have a good journey! 祝你一路顺风。 May your youth last for ever! 祝你青春永驻。 (3)表示强烈的“愿望”、“祝愿”时,常用动词原形。 如: Long live the Communist Party of China. 中国共产党万岁。 God bless us. 上帝保佑。 (4) 习惯表达中常用的虚拟语气。 ① 提出请求或邀请。如: Would you like to have a talk with us this evening? 今天晚上来跟我们聊天好吗? Could I use your bike now? 我可以用一下你的单车吗? ② 陈述自己的观点或看法。如: I should glad to meet you. 见到你我会很高兴。 I would try my best to help you. 我会尽力帮助你。 ③提出劝告或建议。如: You’d better ask your father first. 你最好先问一问你的父亲。 You should make a full investigation of it first. 你应该先全面调查一番。 ④ 提出问题。如: Do you think he could get here on time? 你认为他能按时来吗? Do you expect he would tell us the truth? 你期望他会告诉我们真相吗? 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 + 过去分词。 如: You should have got here earlier. 你应该早就到这里了。 You should have returned it to him. 你应该把它还给他了。 8、虚拟语气在方式状语从句的应用。详见百度百科之方式状语从句词条。编辑本段四、省略的虚拟条件句型省略连词if 有时可将条件从句的连词if省略,但此时应用倒装句型,即将从句中的were, should, had 等提到句首: Were I Tom, I would refuse. 如果我是汤姆,我会拒绝。 I will go, should it be necessary. 假若有必要,我会去的。 Had it not been for the bad weather we would have arrived in time. 若不是天气坏,我们就准时到达了。 【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…)省略条件句的主语和其后的动词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: If repaired earlier, the tractor would not have broken down. 要是早点儿修一下,拖拉机就不会抛锚了。(=If it had been repaired earlier…)省略“it+be” If necessary, I would send more farm-hands to help you. 如果需要的话我会派更多的民工去帮你。(=If it was necessary, I would…)省略整个条件从句 这样的省略通常需要借助一定的上下文,即省略条件从句后,所剩下的主句的意思在一定的上下文中意思是清楚的: I might see her personally. It would be better. 我可以亲自去看她,这样好一些。(=…If I saw her personally, it would be better.)编辑本段在含蓄条件句中的用法 (1) 条件暗含在短语中。如: We didn’t know his telephone number; otherwise we would have telephoned him. 我们不知道他的电话号码,否则我们就会给他打电话。(暗含条件是otherwise) Without your help, we wouldn’t have achieved so much. 没有你的帮助,我们不可能取得这么大的成绩。 (暗含条件是介词短语without your help) But for your help, I would not have succeeded in the experiment. 如果没有你的帮助,我的实验就不会成功。(暗含条件是but for your help) It would cause great trouble not to lubricate the bearing immediately. 不立即润滑轴承就会引起很大的故障。 (暗含条件是not to lubricate the bearing immediately) (2) 条件暗含在上下文中。如: I would not have done it that way. 我是不会那么做的。(可能暗含if I were you) I was busy that day. Otherwise I would have come to help you. 我那天很忙。否则我会来帮你的。(可能暗含if I hadn’t been so busy.) You might come to join us in the discussion. 你可以参加我们的讨论。(可能暗含if you wanted to) I would have bought the DVD player. 我是会买下那台影碟机的。(可能暗含if I had the money) But for the storm, we should have arrived earlier. 要不是碰到暴雨,我们还会早些到。(可能暗含if it had not been for the storm)。

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jonathan7704

认真看完下面这篇文章,你将会彻底理解虚拟语气。

古人有“谈虎色变”,当今学习英语的人有“谈虚拟语气而色变”。

虚拟语气很难吗?

正所谓会者不难,难者不会!

虚拟语气对英美人而言,2-3岁的小孩都是可以熟练运用的,不信我们看几个例子:

1. If I were a bird, I would fly to the roof.

如果我是一只小鸟,我就飞到屋顶。

2. If you had come to my home yesterday, you could have had my birthday cake.

如果你昨天来我家,你就可以吃到我的生日蛋糕了。

看,很简单吧!2-3岁小孩就可以熟练的运用虚拟语气,精准的表达自己的意思。

那么作为学了十多年英语的我们,为什么会觉得虚拟语气难,为什么难以灵活运用,其根本原因就是我们没有理解虚拟语气这种形态背后的原理。

何为虚拟语气?

虚拟语气,就是假设语气,相对于之前讲解的真实时态,虚拟语气就是非真实时态。

那么在进一步讲解虚拟语气前,我们有必要重新定义一下条件句。

第一部分

什么是条件句?

所谓的条件句,就是针对给定的条件,得出相应的结果。

如果给定的条件是真实的、可以实现的,那么得出的相应的结果,也可能是真实的,可以实现的。

如果给定的条件是非真实的、不可以实现的,那么得出的相应的结果,也可能是非真实的,不可以实现的。

简而言之:

条件为真,结果为真

条件为假,结果为假

举例说明:

3. If I were the President of Italy, I would think about taking away his license.

如果我是意大利总统,就会考虑一下吊销他的驾照。

说明: 此处仅仅为假设,我不可能是总统。所以条件为假,结果为假。

本句为虚拟语气,非真实时态。

4. If I am the President of Italy, I will think about taking away his license.

如果我是意大利总统,就会考虑一下吊销他的驾照。

说明: 我正在竞选总统,我可能成为总统。所以条件为真,结果为真。

本句为真实语气,真实时态。

以上重新定义了条件句,让你清晰知道何为真实的条件句,何为非真实的条件句。

所谓非真实的条件句,也就是我们今天要讲的虚拟语气。

第二部分

明白了虚拟语气和条件句的关系,那么在学习虚拟语气就容易的多了。

通过第一部分例句的观察,我们发现英语的虚拟语气是采用谓语动词的“过去形态”来表达“非真实的,虚拟内涵”。

例句3引用如下:

3. If I were the President of Italy, I would think about taking away his license.

如果我是意大利总统,就会考虑一下吊销他的驾照。

解释: 条件从句和结果主句的谓语动词分别都使用了动词的过去形态。

我们继续引用文首的例句2如下:

2. If you had come to my home yesterday, you could have had my birthday cake.

如果你昨天来我家,你就可以吃到我的生日蛋糕了。

解释:通过观察我们发现本句中条件从句和结果主句的谓语动词分别在使用了动词的过去形态的基础上分别又多出了一个“had”和"have"。

原因很简单,我们在之前“ 通过美剧的两句对白,我们来揭示英语虚拟语气中 have的时间秘密 ”一文中已经阐述了have的时间秘密。

因为例句3的假设是对现在进行假设,使用了一次过去形态,而例句2的假设是对过去进行假设,所以如果例句2仅仅使用一次过去形态表达虚拟,那么就无法表达“过去”的内涵,所以就分别在主从句中借用了"had"和"have"来表达过去时间。

以上,就是英语虚拟语气的思维密码!

是不是很简单的呢?

一切的虚拟语气现象都是以此为基础!

在之前的文章中我们已经给出了完整的时态框架体系,我们称其为“真实”时态框架体系,相对于真实语气而言,有多少真实的时态,也就有多少非真实的时态,那么非真实时态的框架体系,我们称其为“虚拟语气”框架体系。

同时因为虚拟语气有条件从句和结果主句的存在,虚拟语气的组合相对也更复杂一些。虚拟语气的条件从句和结果主句之间可以同时结合各种时态、语态进行组合搭配,从而表达出复杂的内涵,而这也正体现出语言的丰富多彩和千变万化的强大表达能力。

本文作者谢瑞,著有《英语思维:解密英语语法的原理》一书和《英语思维:十课建立完美语法体系》系列视频课程,欢迎转载,转载请注明出处。

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