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虚拟语气用法归纳(叶文斌)

虚拟语气用法归纳(叶文斌)
虚拟语气用法归纳(叶文斌)

虚拟语气(the subjunctive mood)用法归纳

第一部分:语气的定义和种类

1、语气(mood)

语气是动词的一种形式,表示说话人对某一行为或事情的看法和态度。

2、语气的种类

⑴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:

①There are two sides to every question. 每个问题都有两个方面。

②Were you busy all day yesterday? 昨天一整天你都很忙吗?

③How good a teacher she is! 她是多好的一位老师啊!

⑵祈使语气:表示说话人对对方的请求或命令。如:

①Never be late again! 再也不要迟到了。

②Don’t forget to turn off the light. 别忘了关灯。

⑶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:

①If I were a bird, I could fly in the air. 如果我是一只小鸟,我就能在空中飞行。

②I wish I could pass the examination. 我希望我能通过考试。

③May you succeed! 祝您成功!

第二部分:简单句中的虚拟语气

一、情态动词的过去式用于现在时态时,表示说话人的谦虚、客气、有礼貌、或委婉的语气,

常用于日常会话中。如:

⑴Would you be kind enough to show me the way to the post office?

请你告诉我去邮局的路好吗?

⑵It would be better for you not to stay up too late. 你最好别熬夜到很晚。

二、表祝愿。

1、常用“may+动词原形”表示祝愿,但愿,may须置于句首(多用于正式文体中)。如:

⑴May good luck be yours! 祝你好运!

⑵May you be happy! 祝你快乐!

⑶May you do even better! 祝你取得更大成就!

⑷May you have a good time. 祝愿你玩的痛快。

⑸May the friendship between us last long. 祝愿我们的友情天长地久。

⑹May you be happy. 祝你幸福。

【注意】本句型属于部分倒装句型,主语后用动词原形。

2、用动词原形。如:

⑴Long live the people! 人民万岁!

⑵“God bless you,” said the priest. 牧师说:“愿上帝保佑你!”

⑶Have a good journey! 祝愿你旅途愉快!

三、表示强烈愿望。(该类型虚拟语气谓语仅用动词原形,第三人称单数也不加“s”)

⑴God save me.

⑵Heaven help us.

四、表命令。

1. 命令虚拟语气只能用在第二人称(you),而且通常省略主语(也就是you)。

2. 句子尾通常加上感叹号。

3. 虚拟语气动词用一般现在时态(Simple Present),如:work, be , go。

4. 否定形式的命令语气,可用助动词do加上not。

(1) Work !

(2) Work harder !

(3) Be more alert ! (虚拟语气动词Be)

(4) You go out !

(5) Do not work so hard. (do not 表示否定的虚拟语气)

(6) Don't be afraid. (口语中常用don't 代替do not)

五、在一些习惯表达中。如:

(1) You’d better set off now.你最好现在就出发。

(2) I’d rather not tell you the secret.我情愿不告诉你这个秘密。

第三部分:复合句中的虚拟语气

条件句有真实条件句和非真实(虚拟)条件句两种。真实条件句所表示的假设是有可能发生的,而非真实条件句则通常表示一种假想,与事实相反或不大可能会发生。如:

If I have time, I will go with them. 假若我有时间,我就同他们去。(陈述语气)

If I were you, I would go with them. 假若我是你,我就同他们去。(虚拟语气)

▲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 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。(可惜我不知道)

▲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, could, might)+have+过去分词”。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) ▲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 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)

总结:

1.虚拟语气的解题方法是:回归法。即将主句和从句的时态回归到非虚拟语气的状态,然

后再用“时态向前推”的方法将主从句改变为虚拟语气的时态。

【注意】错综时间虚拟条件句也用这种方法解题。

2.虚拟条件句:

与现在事实相反:从句过去时,主句should (would, could, might)+动词原形;

与将来事实相反:从句过去时/should +V原/(were +to do),主句should (would, could, might)+动词原形;

与过去事实相反:从句had done,主句should (would, could, might)+have+过去分词。【注意】主句中有had done,从句中一定有have done。反之,在错综虚拟条件句中不成立。

3.从句中可以有should表示将来时的虚拟语气,并且可能性很小,但是主句中的should

表示主语必须是第一人称。

4.区别:虚拟语气主句中should(表第一人称),would(表结果),could(表能力、许可

或可能性)和might(表可能性)。试比较:

If you tried again, you would succeed. 要是你再试一试,你就会成功的。(would表结果) If you tried again, you might succeed. 要是你再试一试,你可能会成功的。(might表可能) If you tried again, you could succeed. 要是你再试一试,你就能成功了。(could表能力) 5.在虚拟条件句中,对于与将来事实相反的情形,请注意以下几点:

(1)条件从句表示的内容与将来事实相反,实为对将来情况的推测,用过去时表示虚拟;

(2)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,常译为“万一”)”或“were to+动词原形(表示与将来事实相反的假设)”;

(3)条件从句使用“should+动词原形”这样的谓语形式时,主句谓语除可用“should (would, could, might)+动词原形”这样的虚拟语气形式外,也可用直陈语气或祈

使语气。试比较:

If it should rain tomorrow, don’t expect me. 万一明天下雨,就不要等我了。(祈使语气)If I should see him, I’ll tell him. 万一我见到他,我就告诉他。(直陈语气)

6.当条件从句的主语为第三人称单数时,谓语动词若是系动词be时,可用were代替was。

特别是在倒装虚拟结构及if I were you, as it were中,只能用were。如:

Were I ten years younger, I would study abroad.

要是我还年轻十岁的话,我会去国外学习。

If I were you, I would try to grasp the chance. 要是我是你的话,我要尽力抓住这次机会。

7.有时虚拟条件句中,主、从句的动作若不是同时发生时,即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。具体分为下面三种情况:

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,我现在也会使工程师了

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。

③从句的动作与过去发生的情况相反,而主句的动作与现在正在发生的情况相反。如:

If it had not been raining too much, the crops would be growing much better.

如果天不下太多的雨的话,庄家会长得更好。

If he had been working hard, he would be working in the office now.

要是他工作一直努力的话,他现在已进了办公室了。

8.当虚拟条件句的谓语动词含有were, should, had时,if可省略,而将were, should, had

等词置于句首。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.

如果她懂一些电脑知识的话,我们会已经聘用他来这里工作了。

9.有时句子没有直接给出假设情况的条件,而须通过上下文或其他方式来判断。如:

I would have come to see you, but I was too busy. 我本该来看你了,然而我太忙了。

要不是他的帮助,我们还会在工作呢。

’t have believed it. 要不是我亲眼目睹,我还不信呢。

要是没有你的指导,我不会取得如此大的进步。

【注意】but for后接sth,but that后接从句。

10.有时虚拟条件句中,主、从句可省略其中一个,来表示说话人的一种强烈的感情。如:

①省略从句

He would have finished it. 他本该完成了。

You could have passed this exam. 你应该会通过这次考试了。

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。

11.两个常考if虚拟语气句型。

这两个句型是If it weren’t for…和If it hadn’t been for…,其意为“若不是(有)、要不是有”,可以用But for或Without介词短语替换。如:

If it weren’t for water, no plant could grow. 要是没有水植物就无法生长。

If it hadn’t been for your assistance, we wouldn’t have succeeded.

= But for your assistance, we wouldn’t have succeeded.

= Without your assistance, we wouldn’t have succeeded.

1、wish后面的宾语从句用虚拟语气

▲基本用法:动词wish后接宾语从句时,从句谓语要用虚拟语气。

①若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;

②若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;

③若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。

从句的时态只与从句所指的时间有关,而与wish的时态无关。比较:

I wish I were rich. 要是我现在有钱就好了。

I wish I had been rich. 要是那时我有钱就好了。

I wished I were rich. 当时我后悔自己没有钱。

I wished I had been rich. 当时我后悔自己曾经没有钱。

2、if only后面的句子用虚拟语气

▲基本用法: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。如:

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

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

她要是愿意和我一道去就好了!

if only 通常独立使用,后面直接跟句子,没有主句(实际上主句省略了)。

3、as if (though) 从句用虚拟语气

▲基本用法:以as if (as though) 引导的方式状语从句或表语从句,有时用虚拟语气。

①若表示与现在事实相反,谓语动词用一般过去时;

②若表示与过去事实相反,用过去完成时;

③表示将来的可能性不大,用would (might, could)+动词原形。如:

He acts as if he knew me. 他显得认识我似的。

They treat me as though I were a stranger. 他们待我如陌生人。

他说起话来好像曾经出过国。

(1) 从句所表示的内容若为事实或可能为事实,也可用陈述语气。如:

It looks as if we’ll be late. 我们似乎要迟到了。

(2) 注意It isn’t as if…的翻译。如:

It isn’t as if he were poor. 他不像穷的样子(或他又不穷)。

【总结】wish, if only, as if后面的虚拟语气有三种形式: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。

4、It’s (high/about) time后的从句用虚拟语气

▲基本用法:从句谓语通常用过去式表示现在或将来,有时也用过去进行时或“should+动词原形(较少见,且should不能省略)”,其意为“(早)该干某事了”。如:

It’s time we went [were going, should go]. 我们该走了。

【注意1】It’s time I was in bed. 我该上床睡了。(此处不用were,用was表状态;如果表示“是”的意思时用were.)

【注意2】It’s (high/about) time------“该是------的时候了”,表示将来动作的虚拟语气,用“should+动词原形”,should不可以省略。

5、would rather后句子用虚拟语气

▲基本用法:在would rather, would sooner, would just as soon 后的that从句中,谓语动词要用虚拟语气,其意为“宁愿做什么”,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。

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。

【注意】would rather后的虚拟语气有二种形式。

9种类型的动词后面的宾语从句用虚拟语气,其后的虚拟语气仅有一种形式:should+动词原形。

▲表示“坚持要求”后的宾语从句

主要是指insist的宾语从句,从句谓语由“should+动词原形”构成,其中的should在美国英语中通常可以省略。如:

I insisted that he (should) stay. 我坚持要他留下。

【注意】动词insist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:若谓语动词所表示的动作尚未发生,或尚未成为事实,意思是“坚持要求”,则用虚拟语气;若谓语动词所表示的动作已经发生,或已经成为事实,意思是“坚持认为”,则要用陈述语气。比较:

He insisted that I had read his letter. 他坚持说我看过他的信。

He insisted that I should read his letter. 他坚持要我看他的信。

▲表示“命令”后的宾语从句

主要是指order, command的宾语从句,从句谓语由“should+动词原形”构成,其中的should 在美国英语中通常可以省略。如:

He ordered that it (should) be sent back. 他命令把它送回去。

▲表示“建议”后的宾语从句

主要是指advise, suggest, propose, recommend等的宾语从句,从句谓语由“should+动词原形”构成,其中的should在美国英语中通常可以省略。如:

He suggested that we should leave early. 他建议我们早点动身。

【注意】与动词insist相似,动词suggest后接宾语从句时,除可用虚拟语气外,也可用陈述语气,两者的区别也是:若谓语动词所表示的情况尚未成为事实,则用虚拟语气,此时suggest通常译为“建议”;若谓语动词所表示的情况为既成事实,则要用陈述语气,此时的suggest通常译为“表明、认为、暗示”。比较:

He suggested that we (should) stay for dinner. 他建议我们留下吃饭。

I suggested that you had a secret understanding with him. 我觉得你与他心照不宣。

▲表示“要求”后的宾语从句

主要是指ask, demand, require, request等后的宾语从句,从句谓语由“should+动词原形”构成,其中的should在美国英语中通常可以省略。如:

I ask that he leave. 我要求他走开。

He requires that I (should) appear. 他要求我出场。

▲表示“提议、投票”后的宾语从句

主要是指move, vote等后的宾语从句,从句谓语由“should+动词原形”构成,其中的should 在美国英语中通常可以省略。如:

I move that we accept the proposal. 我提议通过这项提案。

▲表示“敦促”后的宾语从句

主要是指动词urge后的宾语从句,从句谓语由“should+动词原形”构成,其中的should在美国英语中通常可以省略。如:

He urged that they go to Europe. 他敦促他们到欧洲去。

▲表示“安排”后的宾语从句

主要是指动词arrange后的宾语从句,从句谓语由“should+动词原形”构成,其中的should 在美国英语中通常可以省略。如:

He arranged that I should go abroad. 他安排我去国外。

▲表示“希望、打算”后的宾语从句

主要是指动词desire, intend后的宾语从句,从句谓语由“should+动词原形”构成,其中的should在美国英语中通常可以省略。如:

She desires that he do it. 她希望他做此事。

▲表示“指示”后的宾语从句

主要是指动词direct后的宾语从句,从句谓语由“should+动词原形”构成,其中的should 在美国英语中通常可以省略。如:

The general directed that the prisoners should be set free. 将军指示释放那些俘虏。

以it作形式主语,在“It be+adj.+that+从句”结构中表示命令、号召、要求、惋惜等感情时,that引导的主语从句用“should+动词原形”的虚拟语气。常见的形容词有:It is necessary, important, strange, natural, advisable, anxious, compulsory, crucial, desirable, eager, essential, fitting, imperative (绝对必要), impossible, improper, obligatory, possible, preferable, probable, recommended, urgent, vital etc.; It is a pity; It is requested/suggested/desired/proposed; It worries me that等。如:

▲I t’s important…类

这一类型主要包括It is (was) important (necessary, desirable, imperative, advisable)that. . .句型。It is impossible that he should go home. 他不可能会回家去。

▲It’s a pity…类

It is a pity that she should fare so badly. 她竟吃得这么差,真可怜。

▲It’s desired…类

这种主语从句还常用在It is (was) desired (suggested, settled, proposed, requested, decided, etc. ) that...句型。

It is requested that a vote be taken. 建议付诸表决。

▲It worries me that…

It worries me that we should be blamed for that. 我们竟要受责备真让人烦恼。

在advice, agreement, command, decision, decree, demand, determination, indication, insistence, order, preference, proposal, request, requirement, stipulation, suggestion, idea, plan, order等名词后的表语从句、同位语从句中要用虚拟语气,其后的虚拟语气用“should+动词原形”的结构。如:

Our suggestion is that you(should)be the first to go. 我们的建议是你应该第一个去。

在lest, for fear that(以免), in case(以防)引导的目的状语从句中用结构“should+动词原形”表示虚拟语气,should 可以省略。如:

She walked quietly lest she (should) wake up her roommates. 她走得很轻以免吵醒她的室友。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。

Keep quiet in case you(should)interrupt him when he is busy. 要保持安静,以防打扰他。

(1) 在even if, even though 所引导的让步状语从句中,有时可用虚拟语气,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。Nobody could save him even though Hua Tuo should come here. 即使华佗在世也救不了他。(2) 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:

①may +动词原形(指现在或将来)。如:

We will finish it on time no matter what / whatever may happen.

不管发生什么事,我们都要按时完成。

We will find him wherever / no matter where 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。

②may +完成式(指过去),主句结构不限。如:

You mustn’t be proud whatever / no matter what 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 / whatever mistakes he may have made.

不管他翻过什么错误,我们必须尊敬他。

(3) 在though, although等引导的让步状语从句中,从句虚拟语气结构为should +动词原形,主句结构不限。如:

Although / Though he should often be late, he is a good student.

尽管他经常迟到,他还是个好学生。

Although / Though he should be secretary, he must obey the rules.

尽管他是书记,他也必须遵守规定。

以be+amazed, angry, annoyed, astonished, disappointed, frightened, happy, pleased, proud, sorry, surprised, upset等后面的状语从句中常用虚拟语气,其虚拟语气的结构为:

①should + 原形动词(指现在或将来)。如:

He was angry that you should call him by name. 他很生气,你竟然对他直呼其名。

I was astonished that he should not answer such an easy question.

我很惊讶他竟答不出如此简单的问题。

②should + 完成式(指过去)。如:

I’m very sorry that you should have failed the exam. 我很遗憾,你这次考试竟然失败了。

I was very surprised that Father should have known what I did yesterday.

我很吃惊,父亲竟指导我昨天所作的事情。

虚拟语气知识体系

if条件句中的虚拟语气

名词性从句中的虚拟语气

特殊句式的虚拟语气

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

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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

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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

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Ifyouhadtakentheadvice,youwouldhave…. →Hadyoutakentheadvice,youwouldhave… Iftheworldshouldcometoanend,…… →Shouldtheworldcometoanend…… 另外,without,butfor,otherwise构成的条件状语从句中,也有含蓄的虚拟语气Butforthepopularizationofelectricity,wewouldleadawholedifferentlifetoday . (popularization普及,publicity宣传 Withoutyourhelp,Iwouldhavefailed. 但其实,高中英语考试也常考: 错综虚拟语气条件句 据各自的时间而定。 举例: (layout规划、设计、安排、陈设、摆放…layoutn.布局、规划) 二、特殊句式: 1.wish+宾语从句 Iwishmyparentswouldn’tpunishme.

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