高中英语虚拟语气句型

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高中英语高考高考英语语法总复习课件:虚拟语气 (共82张PPT)

高中英语高考高考英语语法总复习课件:虚拟语气 (共82张PPT)

【例11】 When a pencil is parted in a glass of water, it looks as if it _____(break)_. 【例12】 Eliza remembers everything exactly as if it ______ (happen)yesterday.
主句 would/should/could/might
If he didn’t come tomorrow, we would put off the meeting.
主过将从过, 主过将完从过完 would do/did would have done/had done
【例1】 If we ______ (take)the other road, we might have arrived here in time for the meeting.
【例13】 Look at the terrible situation I am in! If only I ______ (follow)your advice. 知识扩展:follow/take sb's advice
【例13】 Look at the terrible situation I am in! If only I had followed (follow)your advice. 知识扩展:follow/take sb's advice
做题时注意:动词的形式根据它所表示的时间作出相应的调整
一分为二,先找时间再判断时态。
【例4】
If we ______ (book)a table earlier, we couldn’t be standing here in a queue.

高中英语语法学案--虚拟语气

高中英语语法学案--虚拟语气

虚拟语气归纳复习一、虚拟语气在条件状语从句中(一) 虚拟条件句中的三种时态:1. 与现在事实相反:If + S +did / were , S + would /should / could / might+ do2. 与过去事实相反:If + S + had done , S + would / should / could / might + have done3. 与将来事实可能相反:If + S + did / were/ should do /were to do, S + would /should / could / might+ do1)If I _________________(be) tired, I _______________________(take) a rest.2)If I had known his address, I______________________________________(write) a letter to him.3)I you __________________(come) yesterday, you __________________________(meet) him.4)If I _____________________________(be) free tomorrow, I__________________( go) to the library.5)If the sun _____________________(stop) shining, only one smile from you____________________(make) theworld bright.6)I ___________________________(appreciate) it if you ______________(can) reply to me as soon as possible atyour convenience.7)Even if he ______________(be) here, he _______________________________(solve) the problem / issue.8)If he _________________________(drive) more carefully, he ___________________________(avoid) the caraccident yesterday.9)What ____________________________ (happen) if we _______________________________ (not work) hard?10)If the traffic ___________________(be ) so heavy, I could have been back by 6 o’clock.(二) 虚拟条件句中的混合时态:有时条件从句和主句的时态不一致,但必须有明确的时间状语表明不同的时间。

高中英语知识点归纳虚拟语气的用法与句型

高中英语知识点归纳虚拟语气的用法与句型

高中英语知识点归纳虚拟语气的用法与句型虚拟语气是高中英语中重要的语法知识点之一,它在表达一些假设、条件、愿望、建议等方面起到了关键作用。

本文将对虚拟语气的用法和一些常见的句型进行归纳总结,帮助同学们更好地掌握和运用这一知识点。

一、虚拟语气的基本用法1. 表达与事实相反的假设:通常使用“if”引导,主句使用过去完成时,从句使用过去完成时或过去简单时。

例如:If I had studied harder, I would have passed the exam.如果我学得更努力,我就能通过考试了。

2. 表达对过去情况的虚拟:通常使用“wish”引导,后接过去完成时。

例如:I wish I had gone to the party last night.我希望我昨晚去参加派对了。

3. 表达与现在事实相反的假设:主句使用过去式,从句使用过去完成时或过去简单时。

例如:She would be happier if she had more friends.如果她有更多朋友,她会更开心。

4. 表达对现在情况的虚拟:通常使用“wish”引导,后接过去时。

例如:I wish I were a bird and could fly in the sky.我希望我是一只鸟,可以在天空中飞翔。

5. 表达对将来的不可能或不太可能的情况:主句使用过去式,从句使用过去完成时。

例如:If I were you, I would not go to that dangerous place.如果我是你,我不会去那个危险的地方。

二、常见虚拟语气句型1. 虚拟语气与建议:It is important (necessary, advisable, essential, etc.) that + 主语 + (should) + 动词原形例如:It is necessary that you (should) finish your homework before playing games.你在玩游戏前完成作业是必要的。

高中英语语法讲解——虚拟语气

高中英语语法讲解——虚拟语气

2.这类主语从句常常用于表示要求、建议、 命令、请求、提议等,其谓语形式往往为 “ ( should)+ 动 词 原 形 ” 的 形 式 。 在 美 国,常省略should,而在英国,则往往不 省略should。
比如:
--It is necessary that the machine (should) be oiled everyday. 机器必须天天上油。
1.1.1.和现在事实相反的非真实条件句
这类非真实条件句表示和现在事实相反的情况。比如: --I would/should certainly go if I had the time.
如果我有时间,我一定会去的。 --If I were your father, I would criticize you more
--I never expected that the problem should be so complicated.
我从未想到问题会如此复杂。
--They just couldn’t believe that the new stadium should be so big.
他们简直不能相信新的体育馆会如此大。
--The teacher insisted that all the students (should) be on time.
老师要求学生们准时到校。
--He suggested that the regulations (should) be revised. 他建议修改规则。
The lawyer asked that the case (should ) be postponed for one month. 律师要求案子往后推迟一个月。

高中英语虚拟语气(绝对全)

高中英语虚拟语气(绝对全)

If my brother were here, everything would be all right. 要是我哥哥在这儿,一切都没问题虚拟语气表示所说的话只是一种主观愿望、假设或建议等。

虚拟语气的重点是:虚拟语气的特殊形式,即用来表示要求、建议、命令、提议、意愿等的主语从句、宾语从句、表语从句和同位语从句中的虚拟形式,含蓄条件句中的虚拟语气和表示愿望的虚拟形式等。

(一)虚拟语气的常见句型●与现在事实相反的虚拟语气与现在相反的虚拟语气的结构为:条件句动词为were或动词的过去式,主句为would/should/could/might+动词原形了。

If you had taken my advice,you wouldn't (couldn’t) have failed in the exam. 如果你按●与过去事实相反的虚拟语气与过去相反的虚拟语气的结构为:从句用had+过去分词,主句用would/should/could/might+have done照我的建议去做,你一定不会(不可能)考试不及格。

●与将来事实相反的虚拟语气If it were Sunday tomorrow, I should (would,could,might) go to see my grandmother. 与将来相反的虚拟语气的结构为:从句谓语动词为动词过去式或“should+动词原形”或“were to+动词原形”,主句为would/could/might +动词原形如果明天是星期天,我就(可能)去看望我奶奶。

If it were to snow this evening, they would not go out. 如果今晚下雪,他们将不出去了。

●省略if形式的虚拟语气有时条件从句中的动作和主句中的动作发生的时间不一致(表示错综时间的虚拟语气),省略连词if。

在书面语中,如果虚拟条件从句中有were,had 或should,可以把if省略,把这几个词放到主语之前,构成主谓倒装。

高中语法解析虚拟语气

高中语法解析虚拟语气

高中语法解析虚拟语气虚拟语气是语法中的一个重要概念,它用于表达与事实相反的假设、愿望、建议、命令等。

在高中英语学习中,学生们需要掌握虚拟语气的用法以及对应的句型结构。

本文将详细解析高中语法中的虚拟语气,并提供一些练习题来帮助学生巩固掌握。

一、虚拟语气的用法1. 表达与事实相反的假设虚拟语气常用于虚构的情况、与事实相反的假设,例如:- If I were rich, I would buy a big house.- If she had studied harder, she would have passed the exam.在这两个句子中,使用了虚拟语气来表达与现实情况相反的假设,即作者并不是富有的、她也没有努力学习。

2. 表达愿望当我们想表达自己的愿望、期望时,可以使用虚拟语气,例如:- I wish I could travel around the world.- I wish it would stop raining.这两个句子中,使用了虚拟语气来表达作者的愿望,他们希望能够环游世界、希望雨停。

3. 表达建议在给予他人建议时,也可以使用虚拟语气,例如:- I suggest that he go to the doctor.- It is recommended that she take a break.这两个句子中,使用了虚拟语气来表达建议,作者建议他去看医生、建议她休息一下。

4. 表达命令或要求虚拟语气还可以用于表达命令、要求等,例如:- The teacher insisted that the students be on time.- The boss demanded that the work be completed by Friday.这两个句子中,使用了虚拟语气来表达命令、要求,老师坚持要求学生准时、老板要求工作在周五之前完成。

二、虚拟语气的句型结构1. 谓语动词在虚拟语气中的形式变化在虚拟语气的句子中,谓语动词的形式会发生变化。

高中英语知识点归纳虚拟语气的用法及常见句型

高中英语知识点归纳虚拟语气的用法及常见句型

高中英语知识点归纳虚拟语气的用法及常见句型高中英语知识点归纳:虚拟语气的用法及常见句型引言:英语语法中,虚拟语气是一种特殊的语态,在表达假设、愿望、建议、命令等方面非常常见。

了解虚拟语气的用法和常见句型可以帮助学生在英语交流中更准确地表达自己的意思。

本文将介绍虚拟语气的基本用法和常见的句型。

一、与现在事实相反的虚拟语气1. 形式:if + 动词的过去式,主句用“should/could/would/might + 动词原形”形式。

例如:If I were you, I would tell her the truth.(如果我是你,我会告诉她真相)2. 常见句型:a. It's time (that) + 主语 + 过去式。

(是时候…了。

)例如:It's time that we left for the airport.(是时候我们离开机场了。

)b. If only + 主语 + 过去式 or 过去完成式。

(要是…就好了。

)例如:If only he had listened to my advice!(要是他听了我的建议就好了!)c. I wish/If only + 主语 + 过去式 or 过去完成式。

(我希望…)例如:I wish I had more time to study.(我希望我有更多时间学习。

)二、与过去事实相反的虚拟语气1. 形式:if + 主语 + had + 过去分词,主句用“should/might + have + 过去分词”形式。

例如:If he had known about the party, he would have come.(如果他知道派对的话,他就会来的。

)2. 常见句型:a. If it had not been for + 名词,主语 + would/could/might not have + 过去分词.(如果不是因为…)例如:If it had not been for your help, I would not have passed the exam.(如果不是因为你的帮助,我不会通过考试的。

高中英语写作典型句式微写作:虚拟语气(附练习及答案)

高中英语写作典型句式微写作:虚拟语气(附练习及答案)

典型句式微写作:虚拟语气虚拟语气是表达说话人的主观愿望、假设或推测等,具有比较强烈的感情色彩,非常适合运用于写作中表达感叹惊异、惋惜嗟叹、后悔遗憾、理应如此等强烈的感情。

先和考拉一起欣赏一个节选于Wonder《奇迹男孩》的小语段:If I found a magic lamp and I could have one wish, I would wish that I had a normal face that no one ever noticed at all. I would wish that I could walk down the street without people seeing me and then doing that look-away thing.(Excerpt from Wonder)【译文】如果我找到一盏魔法灯,并且可以许一个愿望的话,我希望我有一张平常得根本不会有人注意到的脸。

我希望我走在街上的时候,不会有人看着我,然后做出移开视线的事情。

【句式】If I found a magic lamp and I could have one wish, I would wish that .... I would wish that .... 如果我找到一盏魔法灯,并且可以许一个愿望的话,我希望……。

我希望……。

这个句式使用了两套虚拟语气。

(if 型和wish型)【仿写】如果我找到一盏魔法灯,并且可以许一个愿望的话,我希望每天没有那么多作业要写。

我希望能抽出一个多小时可以痛痛快快无忧无虑地好好玩。

考拉版参考答案:If I found a magic lamp and I could have one wish, I would wish that I didn’t have mountainous homework to do every day. I would wish that I could spare one hour to play to my heart’s content every day.常用于写作中的虚拟语气句型有:1.(should) do 型“应该……”2.It’s (high/about) time that … 型“是……的时候了”3.if 型“如果……就……”4. wish 型“希望……”5. as if / as though 型“好像……”6. if only 型“要是……就好了;但愿……”7. Given more型“要是多给点儿……的话”8. without / but for 含蓄型“没有……;要不是……”虚拟语气微写作练习:1.要求大家在听讲座期间要保持安静。

高中英语虚拟语气的十大句型

高中英语虚拟语气的十大句型

高中英语虚拟语气的十大句型虚拟条件句: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。

高中英语虚拟语气课件课件(共71张ppt)

高中英语虚拟语气课件课件(共71张ppt)

• A. will allow
B. should allow
• C. would have allowed D. had allowed
3.If we had known that she had planned to go abroad today, we ____ at the airport.
过去式(did) be were
①did / were ②should +do ③were to do
would should could might
+have done sth
would should could might
+ do sth
would should + do sth could might
如果他当时用功学习的话,他可能就得到奖学 了。
if he H__a_d_s_t_u_d_i_e_d(study) hard, he _c_o_u_ld__h_a_v_e__w_i_n_(win) the scholarship. 如果昨天他见到你,他就可能问你这个问题。
If he h_a_d__s_ee_n_(see) you yesterday, he _W__o_u_ld__h_a_v_e__a_sk_e_d__(ask) you about it.
不是一个事实,而是一种假设、猜 测、怀疑、愿望、要求、命令、建 议等 。
• I have a car. • 我有一部车。(指现在有)
• I had a car. • 我有一部车。(指过去有)
• I wish I had a car. • 但愿我有一部车。(实际没有,表
愿望)
一、if 条件句中的虚拟语气

高中英语语法:虚拟语气专项练习精选50题 (有答案)

高中英语语法:虚拟语气专项练习精选50题 (有答案)

高中英语语法:虚拟语气专项练习精选50题 (有答案)1.--- XXX at you the other day.It's okay。

I was also a bit out of control myself.2.Thank you for all your hard work last week。

I don't think we could have managed it without you.3.If he had not hurt his leg。

John would have won the race.4 --- If the traffic hadn't been so heavy。

I could have been back by 6 o'clock.What a pity。

Tina was here to see you.5.I was really us about you。

You shouldn't have left home without a word.6.XXX that the person should be punished.7 --- Do you think the thief entered the room through the back door?No。

if he had。

I don't believe he would have used the living-room window.15.All the XXX on at once。

(n C)16.If he had given up smoking。

he would not have got cancer in the lung。

(n D)17.What a pity。

Considering XXX。

he could have done better。

高中英语语法虚拟语气

高中英语语法虚拟语气

三. 虚拟语气的常见句型
1.would rather 与 had rather 表希望, 后跟的从句用虚拟, 动词一般用过去式。
eg: I would rather you didn’t trouble him.
Jane went home on Saturday, but her father
would rather she _C____ home on Sunday.
2. insist: 表示坚持一个事实时, 从句动词 不用虚拟
He insisted that we should discuss the question at once.
he had done his homework and handed it in.
2.主语从句中
主句中的谓语动词
从句中的谓语动词
1.表语从句中和同位语从句中
主句中的主语
从句中的谓语动词
suggestion; demand; order; (should)do
proposal; plan; advice; decision等
eg : My suggestion is ( that) we (should) do the
experiment again.
3.我希望明天你能跟我一起去。
I wish you could go with me tomorrow.
四.虚拟语气在主从复合句中的用法
1.宾语从句中
主句中的谓语动词
从句中的谓语动词
suggest; demand; order; (should)do
insist; request; desire; propose; decide等
2). I’m getting tired. It’s time we _w__e_n_t__

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。

虚拟句型结构及用法

虚拟句型结构及用法

虚拟句型结构及用法虚拟语气是用来表达假设、建议、愿望、推测等非现实情况的语法结构。

在英语中,虚拟语气通常出现在条件句、祈使句、疑问句和感叹句中。

以下是虚拟语气的常见句型结构及其用法:1. 虚拟条件句虚拟条件句表示假设的情况,相当于一个条件从句,常常出现在一个实际情况句之后。

虚拟条件句通常由if 引导,后面接一个陈述句。

例如:If I had more time, I would travel more.(如果我有更多时间,我会旅行更多。

)If it rained tomorrow, we would stay at home.(如果明天下雨,我们会呆在家里。

)2. 虚拟过去时虚拟过去时表示对过去的假设,相当于一个虚拟语气的过去完成时。

虚拟过去时通常由had 引导,后面接过去分词。

例如:Had I known about the concert, I would have gone.(如果我知道音乐会的信息,我会去的。

)If I had studied harder, I would have passed the exam.(如果我学习得更努力,我会通过考试的。

)3. 虚拟将来时虚拟将来时表示对将来的假设,相当于一个虚拟语气的将来时。

虚拟将来时通常由should 或were to 引导,后面接动词原形。

例如:Should I go to the party?(我应该去参加聚会吗?)If she were to call me, what would I say?(如果她给我打电话,我会说些什么?)4. 虚拟祈使句虚拟祈使句表示对过去或将来的建议、命令或请求。

虚拟祈使句通常由should 或were to 引导,后面接动词原形。

例如:Should I go to the doctor?(我应该去看医生吗?)If I were to ask him, what would he say?(如果我问他,他会怎么说?)5. 虚拟感叹句虚拟感叹句表示对假设的情况的感叹。

高中语法专题解析虚拟语气

高中语法专题解析虚拟语气

高中语法专题解析虚拟语气虚拟语气(Subjunctive Mood)是英语中一种特殊的语气,用于表示假设、愿望、建议、要求、命令等虚拟的情况或假设。

在高中语法学习中,掌握虚拟语气的用法是十分重要的。

本文将针对高中语法专题解析虚拟语气进行详细讲解。

一、条件虚拟语气条件虚拟语气用于表示与现实相反的假设情况,包括对现在和将来的假设。

其主要形式为:if + 条件从句 (Past Simple), 主句(would/could/might + 动词原形),例如:1. If I were a bird, I would fly in the sky freely.(如果我是一只鸟,我就可以在天空中自由飞翔。

)2. If it rained tomorrow, we would stay at home.(如果明天下雨,我们会呆在家里。

)需要注意的是,条件从句中的动词通常使用过去式形式,而主句中的动词则使用情态动词 would/could/might + 动词原形的形式。

二、虚拟语气用于表达愿望、建议、要求1. 表达愿望虚拟语气可以用于表达对现在或将来情况的愿望,常见的句型有:- I wish/If only + 主语 + 过去式:用于表达对现在情况的不满或遗憾的愿望,例如:"I wish I were taller."(我希望我个子高一些。

)- I wish/If only + 主语 + would/could/过去式:用于表达对现在情况的希望或期望,例如:"I wish you would come to my party."(我希望你能来参加我的派对。

)2. 表达建议虚拟语气可以用于表达对过去情况的建议,常见的句型有:- It's time/It's high time + 主语 + 过去式:用于表示现在情况应该采取的行动,例如:"It's time you finished your homework."(你该完成作业了。

虚拟语气的用法与常见句型

虚拟语气的用法与常见句型

虚拟语气的用法与常见句型虚拟语气是我们在表达某种虚构、假设、愿望或建议等情况下使用的一种语气。

它通过特定的句型和词汇来表达与现实情况不符合的假设或愿望。

在以下的文章中,我们将探讨虚拟语气的用法和一些常见的句型。

一、虚拟条件句虚拟条件句用于表达对过去或现在的假设情况,虽然这些情况是不可能实现的。

虚拟条件句通常由“if”引导,其中包括两个部分:主句和从句。

1. 虚拟条件句的现在形式:如果+主语+动词的过去式,主语+would/could/should/might+动词的原形。

例如:如果我有时间,我会去旅行。

(If I had time, I would travel.)2. 虚拟条件句的过去形式:如果+主语+had+过去分词,主语+would/could/should/might+have+过去分词。

例如:如果我昨天去了那个聚会,我会见到他的。

(If I had gone to the party yesterday, I would have met him.)二、虚拟语气的用途虚拟语气除了用于条件句之外,还可用于表达愿望、建议、命令、让步等情况。

下面是一些常见的虚拟语气句型。

1. 愿望:(a) 现在的愿望:I wish (that) + 主语 + 过去式例如:I wish I were taller. (我希望我更高。

)(b) 过去的愿望:I wished (that) + 主语 + 过去完成时例如:I wished I had studied harder for the exam. (我希望我在考试前更努力学习。

)2. 建议:It is suggested (that) + 主语 + (should) + 动词原形例如:It is suggested that he (should) go on a vacation. (有人建议他去度假。

)3. 命令:It is important/necessary/vital + that + 主语 + (should) + 动词原形例如:It is important that you (should) arrive on time. (重要的是你按时到达。

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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。

[误]If my grandfather comes tomorrow, I should stay home.
[正]If my grandfather comes tomorrow, I shall stay home.
[正]If my grandfather were to come tomorrow, I should stay home.
⑥有时,条件和结果发生的时间不一致,动词形式便要作适当调整,变成错综
时间条件句。

If you had taken the medicine, you would be well now.
If he were honest, he would had told us the truth.
If it hadn’t rained so much, we would have a good harvest in autumn.
2.介词或介词短语without/ thanks to/ but for +名词结构代替if条件句表示的虚
Thanks to the man’s timely rescue, the child would have been drowned.
Without the sun and water, nothing would live.
I wish I had not failed the chemistry examination.
I wish I would become a pilot when I grow up.
*hope与wish不同,后面接宾语从句一般表示真实情况,其愿望一般可以实现。

I hope it will be fine tomorrow.
但如果说had hoped,则表示一种过去未实现的愿望,宾语从句用would +动词原形来表示。

I had hoped Tom would attend the meeting.
He talks as if he had been on the spot.
The situation seems as if it would be out of control.
If only I had not been that silly!
If only the rain would stop!
*此句型大多可与wish句型转换。

如上面三句分别相当于:
I wish I were with you now.
I wish I had not been that silly.
I wish the rain would stop.
7.suggest, require, order, etc. +宾语从句
在一些表示建议、愿望、要求、请求、劝告、意志、欲望、命令、安排、决定等的动词的宾语从句中,要用虚拟语气。

其形式是should +动词原形。

肯定句式中should可以省略,而仅用动词原形。

这类动词有:ask,require,request,demand,pray,insist,desire,maintain,propose,suggest,move,urge,advise,recommend,command,order,arrange,decide等。

She demanded (that) the paper (should) be rewritten.
I suggest (that) he (should) get there as soon
8.it is important, required, etc. +主语从句
在it is +表示要求、建议、必要、命令等意思的形容词或分词+主语从句的结构中,要用should +动词原形的虚拟语气,should可省略。

这类形容词和分词有:advised,advisable,better,desired,desirable,demanded,essential,important,natural,necessary,ordered,proposed,possible,probable,preferable,recommended,required,suggested,strange,urgent,strange,incredible等;这个表语结构也可以是it is a pity,it is a wonder,it is a shame等。

It’s necessary (that) we (should) start to do the work right away.
It’s urgent we (should) send for a doctor at once.
It is a pity that she (should) call black white.
9.用于表语从句或同位语从句中的虚拟语气
在一些表示愿望、建议、要求、命令等意义的名词后的表语从句或同位语从句后,谓语动词要用虚拟语气。

这类名词有:advice,decision,idea,order,plan,proposal,recommendation,suggestion,opinion,requirement,direction,policy 等。

My opinion is that we (should) review their proposal right now.
He made the request that the problem (should) be settled at once.
10.Lest/ for fear (that)/ in case 引导的状语从句
这类状语从句表示担心、忧虑,谓语动词用(should) +动词原形构成。

I’m telling you this lest you (should) doubt my sincerity.
Julia had to go on a diet for fear that she (should) lose her job as a model.
11.in order that, so that +目的状语从句
We started our journey before dawn so that we might stand a chance to reach there before sunset.
12.其他虚拟语气句式
①would rather/would as soon/would sooner +从句
I would rather you were in the same group as we are.
I’d just as soon you didn’t repeat such a careless mistake.
②通过上下文表示假设的情况。

2
Ted just gives up everything for her. I would not be that silly.
Ted为了她舍弃了一切,我就不会这么傻。

③had + expected/ hoped/ supposed, etc.表示希望、设想、预期而未实现的过去动作。

I had expected I would pass the driving test.
④表示祝愿的话中。

May our longstanding friendship last for ever!
Love live the peace of the world!。

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