常见的虚拟语气句型

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英语-虚拟语气

英语-虚拟语气

Some Exercise
were 1. Even if he _______(be) here, he couldn’t solve the problem. were 2. He is playing the piano as if he _______ (be) Chopin. 3. He looks so happy as if hehad passed ________(pass) the exam already.
Some Exercise
had married 1. He would rather her___________(marry) a dog last year. didn’t go 2. I would rather you __________ (not go) there. stayed 3. I’d rather you ___________(stay) at home all day today. 4. I’d sooner you hadn’t done (do) yet. __________
5. ห้องสมุดไป่ตู้e insisted (坚决认为) that Tom broke _____(brake) the glass. was 6. His face suggested (表明) that he _____ angry.(be)
以lest, for fear that, in case引出从句
Some Exercise
1. He is not a pilot, but he wishes were he______ (be). had met 2. I wish I ___________(meet)him yesterday. would be 3. I wish it __________(be) fine tomorrow. had got up 4. If only I ___________(get up) early yesterday.

虚拟语气的八种情况

虚拟语气的八种情况

No.1虚拟语气的常见类型和句型(1)由wish引起的表示愿望的虚拟语气A.用wish表示对现在的愿望时,它所引起的宾语从句中谓语动词形式为:过去式(be动词用were)。

B.用wish表示对将来的愿望时,它所引起的宾语从句中谓语动词形式为:would, could, might+ 动词原形。

C.wish用于对过去的事实表示一种不可能实现的愿望时,宾语从句中的谓语动词形式为:had+动词过去分词或could, would + have +动词过去分词。

The picture exhibition bored me to death; I wish I had not gone to it.---“I let Joe borrow our radio for the afternoon.”---“That’s all right, but I wish he would buy one of his own.”I wish that he weren’t so lazy.(2)had hoped引起的宾语从句中备用语动词形式为would+动词原形,表示一种过去未实现的愿望或令人失望的事。

His father had hoped that his son would go to business with him, but his son became an artist later.(3)would (had) rather, would as soon, would sooner和would prefer所引起的从句中要求用过去式表示当时或将来的情况,用过去完成时表示过去的情况,表示希望或婉转的责备。

例如:I’d rather you posted the letter right away. 我倒希望你把这封信立刻寄出去。

I would prefer he didn’t stay there too long.我倒希望他不要在那儿可得太久。

虚拟语气十大句型

虚拟语气十大句型

虚拟语气的十大句型一、虚拟条件句:条件状语从句是非真实情况,在这种情况下要用虚拟语气。

1.条件从句与现在事实不一致,其句型为:句型1:If +主语+过去时,主语+ should (could, would, 或might) +动词原形(1) If I were you, I would study hard.(2) If it rained, I would not be here now.2.条件从句与过去事实不一致,其句型为:句型2:If +主语+had+过去分词,主语+ should(could, would, 或might)+ have +过去分词(3) If the doctor had come last night, the boy would have been saved.(4) If I had not studied hard, I would have failed in the exam last term. 3.条件从句与将来事实不一致,其句型为:句型3:If +主语+过去时/ should +动词原形/ were to+动词原形,主语+ should (could, would, 或might) +动词原形(5) If it should rain tomorrow, we would stay at home.(6) If I were to go to the moon one day, I could see it with my own eyes.(7) If you missed the film tonight, you would feel sorry.注意问题:1.If条件句中绝对不可以出现would。

2.根据句中的时间状语,有时可能出现“混合虚拟”的情况,即主句可能是现在的情况,条件句也许是发生在过去的情况,但都要遵守上述句型。

如:(8) If you had studied hard before, you would be a college student now and you would graduate from a college in four years’ time.3.条件句中如果出现were, had, should可省去if,将主语与这些词倒装。

英语虚拟语气的用法和诀窍

英语虚拟语气的用法和诀窍
最基本的虚拟语气句型: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。If places were alike, there would be little need for geographers.如果各个地方都一样,就不需要地理学家了。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。If he had known your address yesterday,he would have telephoned you.3. 虚拟将来时是表示对将来实现的可能性很小的或不确定的假设。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 shouldcould might +动词原形。If he were to leave today, he would get there by Friday4. 省略if 采用倒装语序的条件句。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。If he had worked harder, he would have got through the exams.==Had he worked harder, he would have got through the exams.If he were to leave today, he would get there by Friday.==Were he to leave today, he would get there by Friday.If I were in your place, I wouldnt do that.==Were I in your place, I wouldnt do that.5. 有时虚拟条件句并没用if 从句表示出来,而是用介词短语otherwise, or, without, but for、上下文或其它方式来表示。如 We didn't know his telephone number; otherwise we would have telephoned him. Without you help, I wouldnt have achieved so much. But for 要不是......的意思your help, I would not have succeeded.二: 虚拟语气在从句中用should的情况:1. 在表示建议,要求,命令,想法的动词后的从句里, 用should + 动词原形, should 可以省略. 如 advise, agree, command, decide, demand, determine, grant, indicate, insist, order, prefer, propose, request, require, stipulate, suggest, urge, vote.常考到的是: suggest, advise, demand, require, propose, insist, order, request.His doctor suggested that he should take short leave of absence.The author proposed that TV should be turned off at least one hour every day.2. 在表示建议,要求,命令,想法的名词后的从句里, 用should + 动词原形, should可以省略. 如 advice, decision,agreement, command, decree, demand, determination, indication, insistence, order, preference, proposal, request, requirement, stipulation etc.It was Bills suggestion that everyone should have a map.His suggestion was that everyone should have a map.He gave us a suggestion that everyone should have a map.3. 在It iswas +形容词后的that 从句中用should的结构, should 可以省略. 这类形容词常见的有: advisable, anxious, compulsory, crucial, desirable, eager, essential, fitting, imperative绝对必要, impossible, improper, important, natural, necessary, obligatory, possible, preferable, probable, recommended, urgent, vital etc.Its natural that she should do so.It is essential that we should tell her the news.4. 在 lest 和 for fear that以免,in case以防从句中用should, should 可以省略.She walked quietly lest she should wake up her roommates.Have your gun ready in case we should need it.三: wish 后的 that 从句中:1. 表示现在或将来的愿望,从句中过去式.I wish I knew his address.I wish I were young.2. 表示过去没有实现或不可能实现的愿望, 从句用过去完成式或would, could, might + have + 过去分词.I wish you had written to him.I wish I could have slept longer this morning, but I had to get up and come to class.3. 如果将wish改成wished, 其后that 从句中动词的形式不变.4. 如果that 从句中用would , 一般表示 对现状不满或希望未来有所改变或请求I wish he would answer my letter.I wish prices would come down.I wish you would help me.I wish you would stop asking silly questions.四: 在 Its about high firstsecond, third etctime 后的that 从句中,用过去式.表示该是做什么的时候了It is about time you were in bed.It is high time we left.It is the first time I came here.五: 在would rather, would sooner, would just as soon 后的that从句中,用过去式或过去完成式,表示宁愿做什么I would rather he came tomorrow than today.John would rather that she had not gone to the party yesterday evening.六: 在if only如果....就好了的意思 感叹句中,谓语动词与wish宾语从句的虚拟形式相同.If only he didnt drive so fast!现在If only she had asked someones advice.过去If only the rain would stop.将来 七: 在as if as though 从句中,表示和现在事实相反或对现在情况有所怀疑,用过去式;表示过去想象中的动作或情况, 用过去完成式.He speaks as if he were on the spot.She spoke to me as if I were deaf.This device operated as though it had been repaired.注: 1. 在 as if as though 句中, 如果有可能成为事实, 用陈述语气.He looks as if he is going to be ill.2. 在 insist 后的从句中, 如果是坚持自己, 用陈述语气, 坚持别人做什么事情, 用虚拟语气.She insists that she is right.She insisted that I should finish the work at once.

虚拟语气15种句型

虚拟语气15种句型

3.as if / as though后的表语或状语从句 (与wish相同)
含义 动 词 形 式
例句
现在 did / were
He looks as if he knew the little girl.
过去 Have done
It appeared as if nothing had
happened.
5.动词形式为(should)+do 的虚拟
2. It’s + adj.+that 的主语从句 (adj: necessary / essential/
important / natural / strange / possible / impossible
eg. It is important that we should attend the meeting.
• 对过去的猜测 • 肯定 must have done • 否定 can / could not have done • 可能 may / might have done
• 本应该做(实际没有做,有责备意思) • should have done • shouldn’t have done • 本来有必要作(实际没有做,不含责
desire 命令:order / command/ 坚持:insist 不管是动词还是名词,不管是主动还是被动
,不管是引导主语从句, 宾语从句, 表语 从句还是同位语从句, 都要用(should) do
5.动词形式为(should)+do 的虚拟
• My suggestion is that we should listen to his opinion first.
It is time that we stopped work and went home.

虚拟语气分三种情况来掌握

虚拟语气分三种情况来掌握

虚拟语气分‎三种情况来‎掌握:1、虚拟条件句‎。

2、名词性虚拟‎语气。

3、虚拟语气的‎其他用语。

一、虚拟条件句‎:条件状语从‎句是非真实‎情况,在这种情况‎下要用虚拟‎语气。

1、条件从句与‎现在事实不‎一致,其句型为:If 主语+过去时,主语+shoul‎d(could‎, would‎,或migh‎t)+动词原形,如:If I were you, I would‎study‎hard.If it raine‎d, I would‎not be here now.2、条件从句与‎过去事实不‎一致,句型为:If 主语+had+过去分词,主语+shoul‎d(could‎, would‎,或migh‎t)+have+过去分词,如:If the docto‎r had come last night‎, the boy would‎have saved‎.If I had not studi‎e d hard, I would‎have faile‎d in the exam last term.3、条件从句与‎将来事实不‎一致,句型为:+do,主语+shoul‎d(could‎…)+原形do过去时(与现在事实‎条件句一样‎)。

If it shoul‎d rain tomor‎r ow, we would‎stay at home.If I were to go to the moon one day, I could‎see it with my own eyes.If you misse‎d the film to night‎, you would‎feel sorry‎.注意问题:1、If条件句‎中绝对不可‎出现“would‎”。

2、根据句中的‎时间状语,有时可能出‎现“混合虚拟”的情况,即主句可能‎是现在的情‎况,条件句也许‎是发生在过‎去的情况,但都是遵守‎上述句型。

3、在条件句中‎如果出现w‎e re, had, shoul‎d可省去i‎f,将主语与这‎些词倒装,例如:Had the docto‎r come last night‎, the boy would‎have saved‎.Were I to go to the moon one day, I would‎see it with my own eyes.Shoul‎d it rain tomor‎r ow, we would‎stay at home.二、名词性虚拟‎语气:在表示命令‎、建议要求、惊叹时的名‎词性从句中‎需用虚拟语‎气,基本句型:主语+(shoul‎d)+动词原形,如:Mothe‎r insis‎t ed that John go to bed at 9 o’clock‎.(宾语从句)We sugge‎s ted that the meeti‎n g shoul‎d not be held.It was requi‎r ed that the crops‎shoul‎d be harve‎s ted at once.(主语从句)The sugge‎s tion‎that he be invit‎e d was rejec‎t ed.(同位语从句‎)That is their‎deman‎d that their‎wages‎be incre‎a sed.(表语从句)注意:在这种句子‎中绝不出现‎“would‎”“must”“could‎”等。

高中英语虚拟语气句型

高中英语虚拟语气句型

常见的虚拟语气句型1.if条件句条件状语从句可分为真实条件句,即条件满足,事实就发生的情况;和非真实条件句,即与事实相反或难以实现的假设情况。

虚拟语气的基本句型,即是这If I had got up early, I wouldn’t have been late.If I were to do it, I should do it at once.【说明】①在非正式英语中,条件从句中的第一、第三人称单数主语后可用was代替were。

If I was you, I would accept the invitation.②主句中的would可用于各种人称,而should只用于第一人称。

③在主句中也可用情态动词could,might代替would,should。

If I had had enough time, I might have done it better.④条件从句中的谓语动词含有were,had,should时,可以省略从属连接词if,然后采用倒装结构,把were,had,should移到主语前面。

Should you pass this way, do drop in for a visit.= If you should pass this way,……Had I known it, I wouldn’t had made such a silly mistake.= If I had known it,……Were it left to me to decide whether I should have a job immediately or go on to study at college, I wouldn’t hesitate a moment to choose the latter.= If it were left to me to decide……..⑤在同一个句子中不能一部分表示真实条件,另一部分表示非真实条件。

虚拟语气15种句型总结

虚拟语气15种句型总结

C.didn’t hurt; would go
D.didn’t hurt; would have gone
17 21 19
2.wish 后的宾语从句 = if only
含义
动词形式
对现状 表达愿望 Did / were
对过去表示 遗憾/后悔
Had done
例句
I wish I had a little lab of my own.
备意思)
• Need have done • Needn't have done
Practice
1. If I _k_n_e_w__ (know) her address, I would write to her. 2. What would you have done if you _h_a_d__m__is_s_e_d(miss) the train? 3. If he h__a_d_n_o_t_b__ee_n_ il(lnot be ill ), he would have done something. snows 4. If itw__er_e__to__/s_h_o_u_l_d__sn_o_w__/_s_n_o_w_e_d(snow) tomorrow, we _sh__o_u_ld__g_e_t_u_p_(get up) early.
• My suggestion that we should listen to his opinion first is being discussed.
• 注意当insist—硬说,suggest—表明, 不能有虚拟语气。
5.动词形式为(should)+do 的虚拟
2. It’s + adj.+that 的主语从句 (adj: necessary / essential/

虚拟语气的用法与句型

虚拟语气的用法与句型

虚拟语气的用法与句型虚拟语气是指在句子中表达一种假设、愿望、建议、命令等非真实情况的语气。

它在表达的内容上与现实相悖,用于描述与实际情况相反或与现在事实相反的假想情况。

虚拟语气在汉语中分为虚拟条件和虚拟假设两种情况。

本文将详细介绍虚拟语气的用法和常见句型。

一、表示假设的虚拟条件句型1. 如果引导的条件句条件句使用“如果+主语+动词”的结构,表示与实际情况相反的假设。

举例:如果我会飞,我就飞到天空中。

如果你能去,我们就一起去旅行。

如果明天下雨,我就不去跑步了。

2. 要是引导的条件句条件句使用“要是+主语+动词”的结构,表示与实际情况相反的假设。

举例:要是你在这里,我就不会感到孤单。

要是他努力学习,他就可以考上大学。

要是明天放假,我就会去看电影。

3. 假如引导的条件句条件句使用“假如+主语+动词”的结构,表示与实际情况相反的假设。

举例:假如我是你,我就不会这样选择。

假如我有足够的时间,我就会旅行。

假如天气好,我们就可以去海边玩。

二、表示愿望的虚拟条件句型1. 祈使句+“但愿(希望)”句型使用祈使句来表达对未来情况的愿望,后接“但愿(希望)”引导的句子,表示非真实情况的愿望。

举例:多带雨伞,但愿今天不下雨。

早点回家,但愿家里没人。

努力学习,但愿能考好成绩。

2. 希望/愿望+“(能)+动词原形”使用希望或愿望来表达对未来情况的期望,后接能否+动词原形,表示非真实情况的愿望。

举例:我希望明天不下雨。

我希望他能来参加我的生日派对。

我希望你明天能早点到公司。

三、表达建议的虚拟条件句型1. 建议/要求/命令+“(应该)+动词原形”使用建议、要求或命令来表达对他人的建议,后接“应该”引导的句子,表示非真实情况的建议。

举例:你应该多锻炼身体,这样会更健康。

你应该早点睡觉,这样明天才能精神饱满。

上班迟到是不对的,你应该注意时间。

2. 要是/如果+动词过去式使用要是或如果来引导一个非真实情况的条件句,表示一种建议或建议的情感色彩。

虚拟语气

虚拟语气

虚拟语气1. without1)当表示“若没有”时,如果谈论的是一种与事实相反的假设,要用虚拟语气,此时,和but for用法相同:Eg. Life would be quiter without the telephone.2)如果without谈论的只是一种普通的假设,并不强调与既定事实相反,则不必用虚拟语气:Eg. Can you see without your glasses. 如果不戴眼镜,你能看见吗?3)if it weren’t for与if it hadn’t been for这两个也是常见的虚拟句型,表示“若不是有,要不是有”,与but for和without同义:Eg. If it wasn’t for the children, we wouldn’t have anything to talk about.Were it not for this misfortune, he might never have been forced into the business of grinding out novels to support his family. 如果不是因为这一不幸变故,他可能永远不会被迫从事创作小说养家糊口。

注:一般,if it weren’t for用于谈论现在的情况,if it hadn’t been for用于谈论过去的情况,但有时if it weren’t for也可用于谈论过去的情况。

2. 常见的介词短语:in the absence of(如果没有),were it not for(要是没有),but that (假设……不)等:Eg. In the absence of gravitity, there would be no air around the earth.3. 虚拟语气用在would rather,had rather,would sooner(宁愿,宁可),had better,had best (最好),would have句型中,后面如果是动词,后接原形动词。

虚拟语气讲义(15个句式)

虚拟语气讲义(15个句式)

虚拟语气讲义1.虚拟语气句型1If + were/ did/ (动词的过去式), 主语+would/ might/ should / could + do 。

(表示对现在的假设)eg. If I were you, I would not be so proud . 如果我是你,我不会如此自负.eg. I don’t have a cellphone. If I had one , it would be convenient for me to get in touch with others 我没有手机,如果我有手机的话,和别人联系就方便的多了。

eg. If I were in your position, I would think better of it .如果我处在你现在的境地,我会重新考虑然后放弃。

2. 虚拟语气句型2If + had done, 主语+would/ might/ should / could + have done表示对过去或已经发生事情的虚拟假设。

eg. What a pity it is that you didn’t attended the concert yesterday! If you had attended the concert, you would have seen the famous singer.真遗憾你昨天没有去听音乐会。

如果你去了,你就会见到那位名歌手。

eg. Anyone in his position would have done the same= If anyone had been in his position, he would have done the same.3. 虚拟语气句型3If + were/ did(动词过去式)/should/ were to do , 主语+would/ might/ should / could + do (表示对将来的假设).eg. If he should refuse (= if he were to refuse = if he refused ), it wouldn’t matter万一他拒绝了. 那也没有什么关系.eg. If you shouldn’t pass the college entrance e*amination, what would you do"万一你高考不中,你该怎么办?4. 虚拟语气条件句的倒装在虚拟条件句中,如果出现有were, had, should,可省去if,可将主语与这些词倒装,构成虚拟倒装句。

英语虚拟语气语法总结

英语虚拟语气语法总结

英语虚拟语气语法总结虚拟语气(Subjunctive Mood)是英语中一种特殊的语气形式,用来表达非真实情况、假设情况、愿望、建议等。

虚拟语气需要根据上下文来区分,采用特定的动词形式。

以下是对英语虚拟语气的语法总结:一、假设与虚拟条件:1. 表示假设情况时,使用"if"引导从句,主句使用虚拟语气。

- If I were you, I would study harder.(如果我是你,我会更努力学习。

)- If you had told me earlier, I could have helped you.(如果你早告诉我,我本可以帮你。

)2. 当表示与现实相反的情况时,主句使用过去时的虚拟语气,从句使用过去完成时的虚拟语气。

- He wishes he were taller.(他希望自己长得更高。

)- I wish I hadn't eaten so much.(我希望我没吃那么多。

)3. 在嵌入式虚拟语气中,主句使用过去时的虚拟语气,从句使用过去完成时的虚拟语气。

- She suggested that he have a rest.(她建议他休息一下。

)- It is important that he be on time.(他准时到达很重要。

)二、愿望与建议:1. 表示愿望时,使用"would like"或"hope",后接宾语从句。

- I would like you to come to my party.(我希望你来参加我的派对。

)- She hopes that the weather will be good tomorrow.(她希望明天天气会好。

)2. 表示建议时,使用"should"或"would rather"等,后接宾语从句。

- I suggest that you see a doctor.(我建议你去看医生。

虚拟语气语法总结表格

虚拟语气语法总结表格

虚拟语气语法总结表格
一、虚拟语气的基本概念
定义:用于表达假设、愿望或与现实相反的情况。

二、虚拟语气的类型
1. 现在虚拟语气
- 结构:动词原形(如:If I were you)
2. 过去虚拟语气
- 结构:had + 过去分词(如:If I had known)
3. 未来虚拟语气
- 结构:would + 动词原形(如:If I should win)
三、常用句型
1. 条件句
- 形式:If + 主语 + 虚拟动词,主句 + would/could/might + 动词原形2. 愿望句
- 形式:I wish + 主语 + 过去时/过去完成时
3. 建议句
- 形式:It is recommended that + 主语 + 动词原形
四、注意事项
1. 在条件句中,主句和从句的时态需要一致。

2. “were”用于所有人称,尤其在正式语境中。

总结人(签名):____________________
总结日期:____________________。

虚拟语气用法总结

虚拟语气用法总结

虚拟语气用法总结虚拟语气分三种情况来掌握:1、虚拟条件句。

2、名词性虚拟语气。

3、虚拟语气的其他用语。

一、虚拟条件句:条件状语从句是非真实情况,在这种情况下要用虚拟语气。

1、条件从句与现在事实不一致,其句型为:If 主语+过去时,主语+should (could, would, 或might)+动词原形,如:If I were you, I would study hard.If it rained, I would not be here now.2、条件从句与过去事实不一致,句型为:If 主语+had+过去分词,主语+should(could, would, 或might)+have+过去分词,如:If the doctor had come last night, the boy would have saved.If I had not studied hard, I would have failed in the exam last term.3、条件从句与将来事实不一致,句型为:If主语+should/wereto+do,主语+should(could…)+原形do,如:If it should rain tomorrow, we would stay at home.If I were to go to the moon one day, I could see it with my own eyes.If you missed the film to night, you would feel sorry.注意问题:1、If条件句中绝对不可出现“would”。

2、根据句中的时间状语,有时可能出现“混合虚拟”的情况,即主句可能是现在的情况,条件句也许是发生在过去的情况,但都是遵守上述句型。

3、在条件句中如果出现were, had, should可省去if,将主语与这些词倒装,例如:Had the doctor come last night, the boy would have saved.Were I to go to the moon one day, I would see it with my own eyes.Should it rain tomorrow, we would stay at home.二、名词性虚拟语气:在表示命令、建议要求、惊叹时的名词性从句中需用虚拟语气,基本句型:主语+(should)+动词原形,如:Mother insisted that John go to b ed at 9 o’clock.(宾语从句)We suggested that the meeting should not be held.It was required that the crops should be harvested at once.(主语从句)The suggestion that he be invited was rejected.(同位语从句)That is their demand that their wages be increased.(表语从句)注意:在这种句子中绝不出现“would”“must”“could”等。

虚拟语气

虚拟语气

虚拟语气句型 1 (与现在事实相反)在条件句中用虚拟语气是表示对现在情况的假设,是一种非真实条件句。

句型:If +主语did (were)…,主语would do …主句中除了would之外,还可用情态动词could, might, should.If I were you, I would (could, might, should) help him.虚拟语气句型 2 (与过去事实相反)句型2是对过去情况的假设,表示与过去事实相反的条件和结果。

句型:If 主语 had done,主语 +would have done虚拟语气句型 3 (与将来事实相反)句型3是对将来情况的假设,表示与将来事实相反或可能相反的条件和结果。

句型:If +主语were to / should + 动词原形…,主语woulddo…虚拟语气句型 4 (错综时间虚拟条件句)有时条件从句和主句所表示的动作在时间上可以不一致(例如一个与过去事实相反,另一个与现在事实相反),这种虚拟条件句就称为错综时间虚拟条件句。

在这种条件句中,动词的形式要根据具体情况进行调整。

例句:She would never have behaved like that if she had some common sense.如果她有一些常识的话,她就决不会像那样做了。

If he had listened to me, he would not be in such trouble now.如果他听了我的话,他现在就不会有这样的麻烦。

If I had a bike (now), I would have lent it to you yesterday.假如我有自行车,昨天早就借给你了。

If you had not studied the problem carefully, you would find difficulty now.如果当初你没有认真研究这个问题,现在你就会遇到困难。

虚拟语气大全

虚拟语气大全

英语虚拟语气归纳整理【四大类别】1.If虚拟条件句2.Wish/if only/would rather愿望和as if(though>好像3.从句中should+动词原形,should可省略4.It’s time从句第一类 If虚拟条件句分三种时态: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。

真实条件句的假设是有可能发生的,而非真实条件句的假想与事实相反或不大可能会发生,试比较:b5E2RGbCAPIf I have time, I will go with them. 假若我有时间,我就同他们去。

(陈述语气> p1EanqFDPwIf I were you, I would go with them. 假若我是你,我就同他们去。

(虚拟语气> DXDiTa9E3dIf条件句虚拟注:几点特别说明1、l would/should/could/might 主句谓语中的should主要用于第一人称后;would表示结果还表示过去经常常常做某事,might表示可能性,could表示能力、允许或可能性。

比较:RTCrpUDGiTIf you tried again ,you would succeed. 要是你再试一试,你就会成功的。

(would表结果> 5PCzVD7HxAIf you tried again, you might succeed. 要是你再试一试,你可能会成功的。

(might表可能> jLBHrnAILgIf you tried again ,you could succeed. 要是你再试一试,你就能成功了。

(could表能力> xHAQX74J0X2、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:LDAYtRyKfE 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。

虚拟语气

虚拟语气

一.虚拟语气1…表示与现在事实相反的情况:表示与现在事实相反的情况: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)例:1. If I had gotten there2…..表示与过去事实相反的情况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 sucha 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,表示对将来情况的主观推测,1.If he should come 与将来事实相反例: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。

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常见的虚拟语气句型
一、虚拟语气用于非真实条件句中
1.与现在事实相反的虚拟语气形式
If+主语+动词的过去式(be要用were)……, 主句主语+would(或should, could, might)+动词原形。

2.与过去事实相反的虚拟语气形式
If+主语+had+过去分词……, 主句主语+would(或should, could, might)+have+过去分词。

3.与将来事实相反的虚拟语气形式
If+主语+动词的过去式(或were to +动词原形, 或should +动词原形)……, 主句主语+would(或should, could, might)+动词原形。

二、虚拟语气的其它句型
1虚拟语气用在动词wish带的宾语从句中, 宾语从句的谓语动词形式为:
①谓语动词用过去式(be用were)表示现在的情况。

例如: I wish I didn't have a cold. 但愿我没有感冒。

②谓语动词用过去完成式表示过去的情况。

例如: I wish I had seen you yesterday.
③谓语动词用would(或could, might)+动词原形表示将来的情况。

例如: I wish you could come tomorrow. 但愿你明天会来。

注: as if(=as though)引导的从句和if only后面所跟的句子也要用虚拟语气, 其形式和动词wish所带的宾语从句的形式相同。

例如: When a pencil is partly in a glass of water, it looks as if it were broken.
If only I had followed his advice. 若是我听了他的劝告就好了。

2用介词短语(without..., but for... )、副词(otherwise)表示某种假设的情况, 相当于if引导的虚拟条件句。

例如: Without electricity human life would be quite different today.
3虚拟语气用在It +be +important(necessary, strange, natural)+that clause句型中, that clause的谓语动词应为“(should +)动词原形”。

例如: It is necessary that he be sent to the hospital at once.
4虚拟语气用在It +be +time +that clause句型中, that clause的谓语动词应为“动词的过去式(be用were)或should +动词原形”。

例如: It is time that he went(should go)to bed. 他睡觉的时间到了。

5. 虚拟语气用在order, ask, suggest(建议), demand, request, insist(坚持要)等动词后面的宾语从句中, 宾语从句的谓语动词应为“(should +)动词原形”。

例如: He suggested that she start/ should start at once.
6. 虚拟语气用在advice, idea, order, plan, suggestion, demand, proposal等名词后面的表语从句或同位语从句中, 从句的谓语动词应为“(should +)动词原形”。

例如: My suggestion is that you should hold the meeting next Sunday.
The teacher gave orders that the work be finished / should be finished before 4 o'clock.
7. 虚拟语气用在It +be +suggested(ordered, demanded, requested... )+that clause句型中, that clause的谓语动词应为“(should +)动词原形”。

例如: It is suggested that we(should)start the work at once. 有人建议我们立即开始工作。

8. 虚拟语气用在would rather后面的从句中。

用过去式(be用were)表示现在或将来的情况; 用过去完成式表示过去的情况。

例如: I would rather you went next Sunday. 我愿你下星期天去。

I would rather you hadn't done that. 我真希望你没做那件事。

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