英语的虚拟语气是怎么回事 ?(最好举例说明)

作者&投稿:潭轮 (若有异议请与网页底部的电邮联系)
怎样学好英语的虚拟语气?~

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(动词原形)
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(过去分词)
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、 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。
主要将以上几点记住就好了,还有一些特殊的如独立主格等就另外说啦,你可以自己多造造句,或者编对话,实际运用几次就可以基本掌握了。加油哦!

1、虚拟条件句的三种基本类型:与现在事实相反、与过去事实相反、与将来事实相反。
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:
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”:
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”:
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”:
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)
注:几点特别说明
① 主句谓语中的should主要用于第一人称后。would, might, could的大致区别是:would表示结果,might表示可能性,could表示能力、允许或可能性。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)
④ 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,常译为“万一”)或“were to+动词原形”(表示与将来事实相反的假设);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,也可用直陈语气或祈使语气:
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)
2、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:
If it had rained last night, the ground would be wet now. 要是昨晚下过雨的话,现在地面就会是湿的。
You would be much better now if you had taken my advice. 假若你当时听我的话,你现在就会好多了。
3、两个常考虚拟语气句型
▲ 句型介绍
这两个句型是If it weren’t for…和If it hadn’t been for…,这是两个很常用的虚拟语气句型,也经常受到命题人的青睐,其意为“若不是(有)”“要不是有”。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.
5、wish后宾语从句用虚拟语气
▲ 用法说明
动词wish后接宾语从句时,从句谓语要用虚拟语气。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;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;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。如:
注:特别注意
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。
6、if only后的句子用虚拟语气
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 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!
注:if only 通常独立使用,没有主句。
7、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,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:
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。
He talks as if he had been abroad. 他说起话来好像曾经出过国。
注:两点说明
(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:
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:
It isn’t as if he were poor. 他不像穷的样子(或他又不穷)。
8、It’s 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”:
It’s time we went [were going, should go]. 我们该走了。
It’s time I was in bed. 我该上床睡了。(不用were)
9、would rather后句子用虚拟语气
在would rather, would sooner, would just as soon 后的that从句中, 句子谓语习惯上要用虚拟语气, 表示”宁愿做什么” ,具体用法为:
▲ 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。
▲ 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。
10、宾语从句用虚拟语气的10种类型
▲ I wish后的宾语从句
动词wish后接宾语从句时,从句谓语要用虚拟语气。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;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;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。如:
I wish I could be of some use. 我希望我能有什么用处。
We wish he didn’t smoke. 我们希望他不吸烟。
I wish prices would come down. 我希望物价能降下来。
▲ 表示“坚持”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: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,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,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: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”。比较并体会:
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。
11、主语从句中的虚拟语气
在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:
▲ It’s important…类
这一类型主要包括It is (was) important (necessary, desirable, imperative, advisable)that. . .句型。如:
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。如:
It is requested that a vote be taken. 建议付诸表决。
12、表语从句、同位语从句中的虚拟语气
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,即should+动词原形或只用动词原形。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。
13、 在 lest ,for fear that( 以免) , in case (以防)引导的目的状语从句中的虚拟语气
在 lest ,for fear that( 以免) , in case (以防)从句中用should+动词原形, should 可以省略.
She walked quietly lest she (should) wake up her roommates. 她走得很轻以免吵醒她的室友。






为方便记忆,表格对比
使用虚拟语气的主要句型 谓语动词的虚拟形式 例句
表现在的虚拟条件句 从句:用动词过去(be 多用were ) 1. If I were you, I should study English.
2. I would certainly go if I had time.
主句:would/should/could/might+动词原形
表过去的虚拟条件句 从句:had + PP 1. If you had taken my advice, you would not have failed in the test.
2. If I had left a little earlier, I would have caught the train.
主句:would/should/could/might +have + PP
表将来的虚拟条件句 从句:①用动词过去②should +V原③(were +to do ) 1. If it were to rain tomorrow, the meeting would be put off.
2. If you came tomorrow, we would have the meeting.
主句:would/should/could/might +have + PP
省略 if 的条件句 从句:用倒装形式,即把were,had等置于句首。(并只限were/ had)
主句:根据虚拟的情况采取与从句相应的形式。 1. Were I in school again(= If I were in school again, I would work harder.)
2. Were it not for the rain, (不能说Weren’t it for the rain, ) I would go swimming.
错综时间条件句(从句与主句所表示时间不一致) 根据从句与主句表示的不同时进行调整。 1.If you had worked hard yesterday, you would be tired now
2. If we hadn’t been working hard in the past few years, things woud be going so smoothly.
含蓄条件句(虚拟条件暗含在短语或上下文之中,从句不表现出来)(常见有but for“要不是” without等) 根据句子表达的实际情况选用相应的虚拟条件句中的主句的动词形式 1.Without air, there would be no living things.
2.I would have given you more help, but I was busy now.

名词性从句中的虚拟语气
wish, “可惜……”“……就好了”,“悔不该……”“但愿……” wish后从句:与表各种时间的虚拟条件句中的从句动词形式基本相同。
具体:1,表与现在不能实现的愿望,从句用“过去时,be 用were”
2.表与过去不能实现的愿望,从句用“had+PP 或 could/would +have +PP“
3. .表与将来不能实现的愿望,从句用“could/would +动词原形”
1.I wish I were a bird.

2. I wish I had known the answer..

would rather 后的宾语从句 would rather后从句:动词常用过去式 1. I would rather they came tomorrow
demand, insist,suggest, command, order, require, request, desire等一类动词后的宾语从句
(suggest表“暗示、隐含等”insist表“强调,力言等”不用虚拟语气。) 从句谓语用“should+动词原形”,should可省。 1. I suggest you (should)go at once.
2. He suggested that he patient’s leg should be cut and this suggested that he was not good at the case.(注意两个suggest的准确翻译)
“It is (was)+上述demand/suggest等动词过去分词(或important,natural,strange ,necessary等形容词)”后的主语从句 从句谓语用“should+动词原形”,should可省。 1. It ordered that the army (should) get there by 4 a.m.
2. It is necessary that she (should) be sent there at once.
order,suggestion,idea,plan, proposal, advice, demand等名词后的表语从句或同位语从句 从句谓语用“should+动词原形”,should可省。 His demand is that we (should )finish the work in 3 hours.
特殊形式的虚拟语气
as if 引导的从句(表示非真实时)但表真实时,不用虚拟语气。 与虚拟语气条件中从句动词形式基本相同。 1.Tom speaks as if he were a girl.
2.He looks as if he had been to Beijing.
so that, in order that引导的目的状语从句 May/might/should +V原 I live so that others may live better.
It is (the very/high)time that后的定语从句 从句谓语动词常用过去式,有时也可用should+动词原形 It is (high)time that we went (should go) to bed.
It is time that I were leaving.
省去主句的If only(要是……就好了)虚拟条件句 与wish后的宾语从句谓语形式相同。 If only I hadn’t lost the chance!
(= I wish I hadn’t lost the chance)
某些表祝愿的句子 常用原形或“May+动词原形” Long live world peace!
May you be happy1
表委婉客气的是常语句 情态动词的过去式+动词原形 Could I borrow your bike?
Would you please give me a hand?
虚拟语气的用法
虚拟语气表示一种假设的情况,或一种主观的愿望,即动词所表示的动作或状态并非事实,或不可能实现。英语虚拟语气的形式有下列几种:
一、与现在事实相反
连接词 条件从句 结果从句
If 1.动词过去式(或were)
2.助动词(过去式)+动词原形 Should
Would +动词原形
could
might
If had the time, John would make a trip to China to see the Great Wall.
If I were you, I would give up drinking immediately.
二.与将来事实相反
连接词 条件从句 结果从句
If 1. should+动词原形
2. 动词过去式
3、were to+动词原形 Should
Would +动词原形
could
might
If you should lose, what would you do?
If I were to see her tomorrow, I would tell her thetruth.
If you went there next time, you would see what I mean.
三、与过去事实相反
连接词 条件从句 结果从句
If had+过去分词 Should
Would + have+过去分词
could
might
If I’d dnown that it was going to rain, I would never have gone for a walk in the country.
四、虚拟语气的几种特殊用法
省掉if的条件从句结构:
Had you asked me, I would have told you. (=If you had asked me,…)
2.有时虚拟条件不用条件从句而用不定式、分词、介词、名词、连接词或定语从句来表示,如:
A true friend would not do such a thing.
(=If he were a true friend, he...)

(=If there were no water,…)

(=If you hadn’t helped me,…)
3. 有时条件从句中的动作和结果从句中的动作发生的时间不一致,如:
If he had followed the doctor’s advice, he would be quite all right now.
If I were you, I would have gone home.
五、虚拟语气的其他用法
1、Suggest, advise 等动词之后宾语从句须用虚拟语气,其句子结构如下:
suggest, advise, recommend, demand,
require, insist, urge, request, order, +that…(should )+动词原形
devide, ask, move, propose等
注意:在此结构中that不可省略;should省不省均可。
He suggested that they (should ) stop smoking.
上述动词的名词形式出现时,that 引导的从句仍用虚拟语气。
He made a request that they (should ) stop smoking.
如果that 引导的从句所表达的内容是事实,也可用陈述语气。
He insists that he is right.
2、It is (was )+necessary, a pity 等+that引导的从句须用虚拟语气,其句子结构如下:
imperative, advisable, 动词完成式
It is (was) + important,natural, necessary, +that…(should) +
essential, strange,等 动词原形
It is important that you (should) follow the doctor’s orders.
It is right that you should have done your homework.
3、wish的用法
动词过去式或were—与现在事实相反
主语+wish(that)+主语 + 动词过去完成式—与过去事实相反
助动词过去试+动词原形—与将来事实相反
I wish I were a pop singer. (=I am sorry I am not a pop singer..)
I wish I had never stopped teaching. (=I am sorry I stopped teaching.)
I wish they’d let us get some sleep.
注意:wish与hope接宾语从句的区别在于:hope表示一般可以实现的希望,宾语从句用陈述语气。wish表示很难或不大可能实现的希望,宾语从句用虚拟语气。试比较:
(1) We hope they will come,(We don’t know if they can come.)
(2) We wish they could come,(We know they are not coming.)
4、as if, as though, would(had) rather(that)引导的从句须用虚拟语气,如:
He acts as if nothing had happened.
I would rather you didn’t tell him.
5、It’s (high) time that…+动词过去式或should+动词原形,如:
It’s time (that) you had a hair cut.
It’s high time (that) we took some action.

虚拟语气是以动词的特殊形式来说明句中所叙述的内容不是事实,或是不可能发生的事情,而是一种愿望、建议或是与事实相反的一种假设。虚拟语气通常出现在各种主从复合句中。 一、在宾语从句中 1.当主句的谓语动词为“suggest,propose,advise,insist,order,demand,require,request, desire’’等表示“建议”、“命令”、“请求”和“要求”的动词时,其后的宾语从句中要用虚拟语气“should+动词原形”(在美国英语中 should省略)。例如: I suggest that we(should)hold a meeting tonight.我建议我们今晚开个会。 We advise that steps(should)be taken at once.我们建议要立刻采取措施。 They insisted that he(should)begin the work at once.他们坚持让他立刻开始工作。 He ordered that aU(should)take part in the work.他下令所有的人都要参加这项工作。 另外,当主句动词为“ask,move,urse”等意为 “要求”、 “提议”和“极力主张”时,其宾语从句也常用虚拟语气。例如: He asked that he be given an opportunity to try.他要求给他一个尝试的机会。 I move that the money be used for books. 我提议把这笔钱用于买书。 They urged that we take action on this matter immediately.他们极力主张我们对这件事立即采取行动。 2.当主句动词为wish,表示“但愿……”,“要是……该多好叼”之意时,其后的宾语从句有以下三种虚拟语气形式。 ①动词用过去式来说明与现在的事实相反(BE动词常用were,但有时也可用was)。例如: I wish 1 were/Was as strong as you.我要是像你一样强壮就好了。 I wish l remembered his address.我要是记住他的地址就好了。 有时;为了强调现在状态下能发生某种情况或进行某项动作,从句中的动词也可用过去进行式。例如: I wish it wasn’t raining.要是天不下雨就好 了。 ②动词用过去完成式说明与过去的事实相反。例如: We wish we had paid more attention to our pronunciation.我们以前要是能更注意我们的发音就好了。 He wished he had stayed at home。他但愿他呆在了家里。 ③情态动词“would,could,might”等后接动词原形,表示对将来的希望(通常不用should)。例如: I wish he would try again.我希望他再试一下。 We wish he could come.我们希望他能来。 3.在prefer之后的宾语从句中用“should+动词原形”(should可省略)。例如: We prefer that the plan(should)be fully discussed before being put into execution.我们希望在计划实施之前进行认真的讨论。 4.在would rather之后的宾语从句中,其动词用虚拟语气,表示句子的主语(某人)宁愿让另一人做某事。 ①用动词过去式表示现在或将来要做的事。例如: I’d rather you went home now.我宁愿让你现在就回家。 Don’t come tomorrow.I’d rather you came nextweekend.明天别来,我宁愿你下个周末来。 一Shall l open a window?我开窗行吗? 一I’d rather you didn’t.你最好别开。 ②用动词的过去完成式表示过去的动作。 例如: I’d rather you hadn’t done that.我真希望(宁愿)你没做过那件事。 二、在主语从句中 1.在句型“h is/was+过去分词+that从句”中,当过去分词为“suggested,ordered,desired,insisted, required,demanded,requested,decided,proposed,urged’’等时,从句中要用“should+动词原形”(should可省略)。例如: h is desired that everyone(should)get erything ready bY toniShL要求每一个人在今晚之前要将一切准备好。 It is requested that Miss Zhang(should) give a performance at the party.请求张小姐在晚会上表演一个节目。 2.在句型“h is/Was+形容词+that从句”中,当形容词为“important,necessary,strange,natural’’等时,从句中要用“should+动词原形”(should可省略)。例如: It is important and necessary that we should master a foreign language.掌握一门外语对我们来说是重要的和必要的。 It is strange that he (should) refuse your help.他竟然拒绝你们的帮助,真奇怪。 3.在句型“h is/was+名词+that从句” 中,当名词为“a pity,a shame,no wonder’等时,从句中要用“should+动词原形”(should可省略)。例如: It is a great pity that he should be so selfish。真遗憾,他竟然那么自私。 三、在同位语从句或表语从句中 在名词“suggestion,proposal,idea,plan,order,advice’’等后面的同位语从句或表语从句中,用“should+动词原形”(should可省略)。例如: I made a proposal that we(should)hold a meeting next week.我提出了我们下个星期开会的建议。(同位语从句) His suggestion that the meeting(shoald)be held in this room has been accepted.他的关于在这个房间召开会议的建议被采纳了。(同位语从句) My idea is that we(should)get more people to attend the conference.我的想法是我们多找些人来参加会议。(表语从句) 四、在定语从句中 在句型“h is(high)time+(that)从句”中,谓语须用虚拟语气。用过去式表示现在或将来的意念,意为“现在是该做某事的时候了”。 例如: It iS(high)time(that)we went home.我们该回家了。 五、在状语从句中 1.在假设条件句的if条件从句中 假设条件句一般是由“if引导的条件从句+主句”构成。if从句中的谓语动词要用虚拟语气的形式。if从句的假设可以是与现在事实相反的条件、与过去事实相反的条件或者与将来不太可能成为事实的条件。下面分述表示这三种条件的if从句的结构: ①与现在的事实相反,其句子结构为“If+主语+were/谓语动词的过去式”。例如: If I were you,I shouldn’t do that.如果我是你,就不会做那件事了。 We would go with you if we had time.如果我们有时间的话,就和你一道去了。 We could ask him if he were here.如果他在这儿,我们就可以问他了。 ②与过去的事实相反,其句子结构为“If十主语+谓语动词的过去完成式”。例如: If he had seen you yesterday,he would have asked you about it如果昨天他见到你,他就会问你那件事了。 If you had come earlier,you would have met him.如果你早点儿来,就会遇到他了。 1 would have called you if I had known your telephone number.如果我知道你的电话号码,就打电话给你了。 ③表示将来不太可能实现的条件,其句子结构为“If+主语+动词过去式/were to+动词原形/should+动词原形”。例如: If he came tomorrow,he would find me in the schoo1.如果他明天来的话,会在学校找到我。 If it should rain,the crops would be saved.如果下雨,庄稼就有救了。 If it were to snow tomorrow,they would not go out.如果明天下雪,他们就不出去了。 注:在if从句中,如果含有“were,should,had’’时,可省去if而将“were,should,had’’置于句首,构成倒装句。例如: Were l in your position,1 would go.如果我处在你的位子上,我就走了。 Had you arrived five minutes earlier,you could have seen them off.如果你早到五分钟, 你就可以给他们送行了。 Should he come,tell him to ring me up.如果他来的话,叫他打电话给我。 2.在目的状语从句中 ①在由lest 和in case等引导的目的状语从句中,用“should+动词原形” (should可省略)。例如: He ran away lest he(should)be seen.他跑走了,以免被人看到。 She explained again and again in case he (should)misunderstand her.她解释了一遍又一遍,以免他误解她。 in case等引导的目的状语从句中的谓语有时也可用陈述语气。此时,从句表示的就是真实情况,而不是虚拟情况。例如: Take warm clothes in case the weather is cold.带上厚衣服,以防天气变冷。 ②在由“so that…”和“in order that…” 引导的目的从句中,要用“can/could/may/might/would+动词原形”,以表示目的并非事实。例如: She stayed at home for a few days so that she might/could take care of her sick mother. 她在家呆了几天,以便照顾她生病的母亲。 ③在由“for fear that…”引导的从句中,用“should+动词原形”(有时也可用may/might/would)。例如: He worked hard for fear that he should fail.他努力学习,害怕考试不及格。 3.在方式状语从句中 由as if和as though等引导的方式状语从句中,如果从句所表达的情况是虚拟的,则①常用动词的过去式来表示与现在或当时的情况相 反;如果是BE动词,则用were;②常用过去完成式来表示与过去的情况相反。例如: She loves the child as if he were her own.她爱这孩子就好像是她亲生的。 (实际上不是她亲生的孩子) Holding his head high,he walked past the pole and the soldiers as if they didn’t exist.他昂着头从旗杆和卫兵身旁走过,就像他们不存在似的。(实际上他们是存在的) He speaks English as well as ifhe hadstudied in England.他英语说得这么好,好像他去英国学过英语似的。(实际上他没有在英国学过英语) 4.在原因状语从句中 在“I’m sorry that.—/We were surprised that一./They were disappointed that...”等引导的表示原因的状语从句中,用“should十动词原形”。例如: I’m sorry that he should be in such poor health.他的身体这么差让我很难过。 We were surprised that she should be so stubbom.她这么固执让我们感到奇怪。 上述句子有时也可以用陈述语气,但这仅表示所叙述的是事实,而不表示讲话人的情绪。

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。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, 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。 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   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)   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:没有带钱)   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)   6.she looked at me as if I had been a stranger.   她看我的样子好像我是一个陌生人。(事实:我并非陌生人)    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    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   </B>从句:①if+主语+were to do 主句:①主语+should/would/could/might+do</b>   ②if+主语+did/were ②主语+should/would/could/might+do</b>    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.   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)   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:下雪可能性很小)   3.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。(事实:来的可能性很小)   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。   eg:   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,即把were,should,had等词置于句首,这种多用于书面语。eg:   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   </B>eg:   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. 你本能通过这次考试的。   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. 要是只有我得到它了该多好啊。   8.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。   eg:If I were you,I would go to look for him.   如果我是你,就会去找

虚拟是指不存在的东西,不可能的事:IF I WERE YOU .IF I COULD FLY. 等等

多听多练啊,当然 单词要记住。


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虚拟语气 主要从大的来说可以分为三类.1.表示与现在事实相反的,非真实条件句用(动词的过去时BE的过去时WERE),主句(would ,should ,could ,might)+动词原形 例句,If I WERE you ,I WOULD consider their plan.2.表示和过去事实相反,非真实条件句(had +动词过去分词),主句(...

临颍县17224065143: 英语中虚拟语气是指什么? -
独胆博瑞: 虚拟语气用来表示说话人的主观愿望或假想,所说的是一个条件,不一定是事实,或与事实相反. 比如说 you are here (你在这) 虚拟形式就是 If you were here.(假如你在) 这个你得看语法书啊 这个没法跟你细说啊 说不完的 在学校里老师要讲很多呢 你看看书吧 自己看的比我说的要记得清楚一点 好好学习

临颍县17224065143: 虚拟语气到底是怎么一回事? -
独胆博瑞:[答案] 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.1、表示与...

临颍县17224065143: 英语虚拟语气语法讲解越详细越好 -
独胆博瑞: 虚拟语气 一. 概念:用来表示说话人的主观愿望或假想所说的是一个条件,不一定是事实,或与事实相反. 二.真实条件句用陈述语气 1.真实条件句表示的假想是真实的或有可能性 2.句型:条件从句(一般现在时)+主句(shall/will+动词原形) ...

临颍县17224065143: 英语中的虚拟语气是什么意思? -
独胆博瑞: 英语中的虚拟语气用来表示假象,而不表示客观存在的事实,所说的是一个条件,而不一定是一个事实,或与事实想反.虚拟语气,通过位于动词的特殊形式来表示.英语中的虚拟语气分为陈述语气,祈使语气,虚拟语气三类.如:If I were a bird,I would be able to fly in a air.如果我是只鸟,我就能在空中飞行. 事实是我并不可能变成一只鸟.‍

临颍县17224065143: 英语中的"虚拟语气"是什么来的啊? -
独胆博瑞: 一、概念 [Subjunctive Mood] 中文译作"虚拟语气".它是一种动词形式,表示说话人的某种假设、愿望、怀疑、猜测、建议等含义.二、语法结构 1.if结构(非真实条件句——表示的是假设的或实际可能性不大的情况) 与..事实相反 If从句 主句...

临颍县17224065143: 英语里面什么叫虚拟语气 -
独胆博瑞: 虚拟语气是一种动词形式,表示说话人的一种愿望,假设,怀疑,猜测, 建议等含义,虚拟语气所表示的含义不是客观存在的事实. If I were you, I'd take them away. 如果我是你的话,我就会带走他们. If I had met Li Hua, I could had told him. ...

临颍县17224065143: 英语中的虚拟语气是怎么一回事? -
独胆博瑞: 虚拟语态指不可能发生的事,你当作假设来讲.现在多称为第三条件句.比如: 1)非虚拟语态(真实条件句): If it rains tomorrow, I won't go there. (如果明天下雨,我就不去了.--可能下雨)2)虚拟语态(费真实条件句) If it rained today, it would be cooler. (如果今天下雨,就会凉快些.--此时此刻并没有下雨)其他:If I were you, I would do it this way. (我不可能是你)If I were the president of the U.S., I would do...(你不可能是美国总统)

临颍县17224065143: 英语中的虚拟语气是什么意思?
独胆博瑞: 在英语中,虚拟语气是通过句子中谓语动词的特殊形式来表示的.这又一次证明动词在英语中的核心地位,又一次证明要学好英语语法,就要学好英语动词.由于虚拟语气是通过句子中谓语动词的特殊形式来表示的,因此,掌握虚拟语气中所使用的各种谓语动词形式变化是掌握虚拟语气的关键,这也是虚拟语气的难点.虚拟语气本身也是英语语法的一个难点.

临颍县17224065143: 虚拟语气是什么意思啊?
独胆博瑞: 虚拟语气(The Subjunctive Mood) 虚拟语气其实就是一种假设!基于一个时间点的假设!做这种题的时侯要首先明白句子的基准时间点是什么!然后根据句意来选择!还有做虚拟语气的题时一定要记住一些固定的用法!这是很关键的!虚拟语气也是语法,也有固定的形式的!虚拟语气用于表示主观愿望和假设的虚拟情况.虚拟语气不太顾及事实的存在,它表现出说话人的主观因素比较多.所以说话人所讲的内容往往是与事实相反的;或是其实现的可能性微乎其微,甚至于没有实现的可能性.当然,有时为了使说话的语气客气、缓和、委婉,也使用虚拟语气. 语法:虚拟语气讲义:很详细的可以看下面这个网址:) 详细的语法讲义下载,包括虚拟语气:)

临颍县17224065143: 英语中的虚拟语气是什么意思?
独胆博瑞:虚拟语气用来表示说话人的主观愿望或假想,所说的是一个条件,不一定是事实,或与事实相反.

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