(完整版)高中英语语法虚拟语气讲解
高中英语语法讲解--虚拟语气
1. 语气的定义和种类
（1）语气的定义
语气是动词的一种形式，它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
A. 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。
We are not ready.
Did it rain all day yesterday?
What a fine day today！
B. 祈使语气
表使说话人的建议、请求、邀请、命令等。
Be careful.
Don’t forget to clo se the window.
Open the door, please.
C. 虚拟语气
表使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。
2. 虚拟语气
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。
1. 与现在事实相反的虚拟条件句，条件从句的谓语用动词的过去式(be的过去式用were), 主句的谓语用should （would, might，could）+动词原形。
如：
If it were not raining, we should go for a picnic.如果现在不下雨的话，我们就出去野餐了。
（事实是：天在下雨，我们不能出去野餐。表示愿望。）
If he came here, he might be able to help you. 如果他来这，他就能够帮助你了。
（事实是：他没来这，他不可能帮助你。表示对他的良好印象。）
2. 与过去事实相反的虚拟条件句，条件从句的谓语用had+过去分词，主句的谓语用should （would, might，could）+ have ＋过去分词。
如：She would have gone to the party if she had been invited.
要是当初她被邀请的话，她就会去参加这次聚会了。
（事实是：当时没有人邀请她，因此，她没有来参加聚会。表示后悔。）
If she hadn't called me, I would have overslept this morning.
今天早上，她要是不叫我的话，我就会睡过头了。
（事实是：她今天早上叫我了，我没有睡过头。表示感激。）
3. 与将来事实可能相反的虚拟条件句，条件从句的谓语用动词的过去式(be的过去式用were)；should＋动词原形；were to＋动词原形，主句用should （would, might，could）+动词原形。
如：If I were to be twenty years old next year, I would take the course of French.
明年我要是二十岁，我就会学法语。
（事实是：我现在已经老了，明年我学不了法语了。）
If it should fail, I would try again.要是失败了，我会再试一次。
（事实是：有可能失败，可我会再试。表示未知。）
虚拟过去式有时并不表示“不大可能实现的假设”，而是表示一种希望或不希望发生的动作。
如：If we caught the early train, we’d get there by lunch time.
假如我们赶上早班火车，到午饭时间我们就会到达那里了。(表希望)
If we missed the train, we should have to wait an hour at the station.
假如我们赶不上这班火车，我们就得在车站等一小时。（表不希望）
4. 混合型的条件句
当条件从句与主句所表的时间不一致时，虚拟语气的形式应作相应的调整。主句和从句的谓语动词并不相互呼应，这种条件句叫混合条件句。较多见的混合型条件句是从句用过去完成时（指过去行为），而主句用一般时（指目前状态）。
He would pass the test if he had taken my advice．如果他听了我的劝告，他现在会通过考试。
If I had spoken to him yesterday, I should know what to do now.
假如昨天我对他说了，现在我就知道该怎么办了。
You would be much better now if you had taken my advice.
假如你接受了我的意见，你现在就会好得多。
如条件从句用if I were...，主句则可用表任何时间的虚拟形式。
如：If I were not busy, I would have come.
假如我不忙，我就会去了。(were表过去)
If I were you, I would go.
假如我是你，我会去的。(were表现在)
二. 连词if的省略（倒装）
如果虚拟条件句的谓语部分有were，had和should时，可省略if，把were，had和should 放到从句主语前面去，多见于书面语。
Had you not helped me，I should have failed.要是没有你的帮助，我就失败了。
Were you in my position, you would do the same. 假如你处在我的地位，你也会这样干的。
Shoul d they attack us, we’ll wipe them out completely.
假如他们进攻我们，我们就把他们彻底消灭干净。
例：1. _________ he would have succeeded in the examination.
A. Had he worked hard
B. If he worked hard
C. If he works hard
D. If he has worked hard
2. _______ it rain tomorrow, we would stay at home.
A. Should
B. Be
C. Were
D. Will
3. _______, he would teach us how to solve the problem.
A. Were he here
B. Was he here
C. If he is
D. Is he here
4. _________, we should be glad.
A. Were they to arrive tomorrow
B. They were to arrive tomorrow
C. They would arrive tomorrow
D. They arrive tomorrow
5. _______ the clouds, you would find the airplane in the sky easily.
A .Were it not for B. If it had not been for
C. If it were not
D. Had it not been for
答案：1—5 AAAAA
三. 含蓄条件句
虚拟条件句中的条件从句有时不表出来，只暗含在上下文中，这种句子叫做含蓄条件句。含蓄条件句大体有三种情况。
1) 条件暗含在短语中。
如：But for your help we couldn’t have succeeded in the experiment.
如果没有你的帮助，我们的实验是不会成功的。(暗含在分词短词but for your help)
What would I have done without you? 如没有你，我会怎么办呢？(条件暗含在介词短语without you 中)
It would be easier to do it this way. 这样做会比较容易。
(条件暗含在不定式短语to do it this way中)
This same thing, happening in wartime, amount to disaster.
同样的事，如发生在战时，就会酿成大祸。(条件暗含在分词短语happening in wartime 中)
He must have the strength of a hippopotamus, or he never could have vanquished that great beast. 他一定是力大如河马，否则他绝不会击败那只庞大的野兽。(暗含条件是连词or) Alone, he would have been terrified. 如是单独一人，他是会感到害怕的。(暗含条件是alone)
2) 条件暗含在上下文中。
如：You might stay here forever. 你可以永远待在这儿。(可能暗含if you wanted to) We would have succeeded. 我们本来是会成功的。(可能暗含if we had kept trying)
Your reputation would be ruined. 你的名誉会败坏的。(可能暗含if you should accept it)
3) 在不少情况下，虚拟式已变成习惯说法，很难找出其暗含的条件。
如：You wouldn’t know. 你不会知道。
I would like to come. 我愿意来。
四. 不用if引导的条件从句
虚拟条件句中的条件从句除用if引外，还可用when, unless, lest, suppose, as if, for fear, in case, on condition 等词语来引导。
如：The peasants prepared to feed the city when it should be freed.
农民已准备在这座城市解放后供给粮食。
Lest you should not have heard all, I shall begin at the beginning.
我怕你没有听全，所以我再从头开始讲一遍。
Unless I were well, I wouldn’t be at school. 除非我好了，否则我不会上学。
Suppose you were given a chance to study in America , would you accept?
假如给你一个到美国学习的机会，你会接受吗？（suppose 或supposing =what if）Supposing it were so？（=Supposing it were so，what would happen？）
要是这样的话，会怎么样呢？
He can use the bicycle on condition that he should return it tomorrow.
如果明天能还回来，他就可以借用这辆自行车。
In case I forget , please remind me of my promise 如果我忘了，请提醒我的诺言。
Susan is walking slowly ,as if she were tired. 苏珊走得很慢，就像是累了似的。
与if一样，上述词语所引导的条件从句亦可用直陈语气，表可能实现或发生的事。
虚拟语气补充讲解（第二课时）
虚拟语气除主要用于条件句（也就是状语从句）外，还可用于主语从句、宾语从句、表语从句、定语从句等。
1. 虚拟语气在主语从句中的应用
“常用在It is (was)+形容词/ 过去分词+that引导的主语从句”的句型中的主语从句要用虚拟语气。主语从句的谓语用should+动词原形(或should+have+过去分词)或只用动词原形(尤其是美国英语)。should在此是助动词，本身并无实义，这种主语从句中的should有时有感情色彩。
It's important that we（should）work out a plan. （带有“要求”的含义）
It's better that he go at once. （带有“建议”的意思）
☆用于本句型的形容词并不多，常见形容词有：necessary，important，best, right, impossible，preferable，desirable, imperative, advisable，essential，reserved，urgent，等。
It is necessary that he（should）be sent there at once．
It's strange that he should say so.
I was glad that he should go.
It is important that we should speak politely.
It is a pity that she should fare so badly.
It's right that you should think that way.
☆用于本句型中的过去分词就是表示提议要求、命令等动词的过去分词，如suggested，settled, required，requested，demanded，urged，decided, proposed，ordered，desired，advised等。
It is requested that Professor Liu（should）give us a lecture．
It is desired that we（should）get everything ready by tonight．
I’m ashamed you should have done such a thing.
It has been suggested that the meeting（should）be put off．有人建议推迟会议。
It is settled that you leave us, then?
注意：这种句型中的主语从句也可用陈述语气，如：It was important that he made an explicit statement on this score last week. 他上个星期对于这一方面做了明确的说明，这是很重要的。句型总结：
It is necessary that…
It is important that…
It is natural that…
It is strange that…
It is surprising that…
It is impossible that…
It is great pity that…
It will be better that…
It is suggested that…
It is ordered that….
It is demanded that…
2. 虚拟语气在宾语从句中的应用
1). 宾语从句在表示提议、要求、命令、意志等动词后，其谓语用should+动词原形或只用动词原形的虚拟语气，作为suggest，request，demand，urge，propose，prefer，advise，insist，require，order，command，maintain，ask，object, arrange, desire等动词的宾语。
如：
The doctor suggested that he not go there．医生建议他不要去那里。
He suggested that we should leave early. 他建议我们早点动身。
The judge ordered that the prisoner should be remanded. 法官命令被告还押。
例：1. The teacher insisted that every student _______ every other line.
A. writes
B. write
C. would write
D. wrote
2. Jack’s father insists ______ in this hotel.
A. not staying B not to stay
C. that he not stay
D. staying not
3. They insisted that you _______ them a quick answer.
A. should give
B. gave
C. must give
D. would give
4. The guard at the gate insisted that everybody _______ the rules.
A. obeys
B. obey
C. will obey
D. would obey
答案：1—4 BCAB
注：1）、suggest 为“建议去做…; 命令…”从句用should + do
为“ 说明；暗示”, 从句用过去时或过去完成时。
1. The doctor suggested that I should take the medicine three times a day.
2. The doctor suggested that my grandmother had caught a bad cold.
3. The expression on her face suggests that she knew the secret.
4. They suggested that these books ______ at once.
A. should take away
B. would be taken away
C. be taken away
D. take away
5. I suggested a meeting _______ to discuss the matter.
A. will be held
B. would be held
C. should hold
D. be held
6. His silence at the meeting suggested ________ to your plan.
A. didn’t agree
B. hadn’t agreed
C. wouldn’t agree
D. shouldn’t agree
答案：4—6 CDA
2）、insist “坚持要去做…，坚持应该去做”，从句用should + do
为“坚持表明，坚持说/解释”，从句用过去时或过去完成时。
1. She insisted that she ______ ill of him behind him, but he didn’t believe.
A. hadn’t spoken
B. shouldn’t speak
C. wouldn’t speak
D. not speak
2. He insisted that we ______ the boy to hospital.
A. take
B. took
C. would take
D. will take
3. He insisted that he _______ our car.
A. should steal
B. would steal
C. hadn’t stolen
D. steal
4. The teacher commanded that all his students ______ their homework after class.
A. would hand in
B. should hand in
C. handed in
D. might hand in
5. The workers requested that their working conditions ______.
A. must be improved
B. be improved
C. would be improved
D. were improved
6. They required that the crops _______ harvested at once.
A. should be
B. be
C. are
D. must be
答案：1—6 BACBBA
2). wish的宾语的从句，表示愿望，常省去连词that。
☆从句的谓语动词可用过去式，表示现在的愿望（与现在事实相反），虽实现的可能性不大，但仍有实现的可能。
I wish it were true．我但愿这是真的。
☆从句的谓语动词还可用“could（would，might）+动词原形”用来表示将来的愿望
I wish you would stay a little longer.我希望你再待一会儿。
☆表示无能为力的过去愿望（与过去事实相反），可用“had +过去分词”或“could （would，might）+have+过去分词”
I wish you had called yesterday．我希望你昨天来过电话。
We wish you had come to our New Year’s party.我们真希望你来参加了我们的新年联欢会。例：7. I wish I _______ you yesterday.
A. saw
B. did see
C. had seen
D. were to see
8. —Have you visited the Science Museum?
—No, but I really wish I _______.
A. will
B. have
C. did
D. had
9. I wish that the rain ______ stop.
A. will
B. would C may D. can
答案：7—9 CDB
3). would rather, would sooner等表示愿望，其宾语从句常用虚拟过去式。
☆表示与现在和将来含义事实相反的虚拟语气要用动词的过去式
☆用过去完成式(had + 过去分词)表示过去事实相反的含义
I would rather you came tomorrow.我宁愿你明天来。
I’d sooner she left the heavy end of the work to some one else.我宁愿她把重活留给别人。
4). 有些动词，如think, expect, believe,其否定式的宾语从句亦可用should+动词原形。如：
I never thought he should refuse.我万没有想到他会拒绝。
She did not expect that you should come.她没有预料你会来。
3. 虚拟语气在表语从句中的应用
名词suggestion，proposal，order，advice，demand等作主语，其后的表语从句中的谓语动词一般使用虚拟语气，用should +动词原形或省略should。
My suggestion is that we (should) send a few soldiers to help them.
我的建议是我们应派几个战士去增援他们。
My advice is that you (should) treat her well.我的忠告是你应该善待她。
He makes the demand that she (should) leave the place at once.
他提出一个要求，要求她立刻离开这个地方。
My suggestion is that we should tell him.我的建议是我们应该告诉他。
Our only request is that this should be settled as soon as possible.
我们唯一的请求就是尽快解决这个问题。
注意：虚拟语气也可以用于同位语从句。
如：There was a suggestion that Brown should be dropped from the team.有一项建议是布朗应该离队。
4. 虚拟语气在定语从句中的应用
常用在It is time (that)…句型中，定语从句常用虚拟过去式
It is time the children went to bed.孩子们早该上床睡觉了。（表示催促）
It's high time that he began to think how to deal with money.
他早该开始考虑如何与钱打交道。
It is time we left.我们该走了。
It is time we went to bed.我们该去睡觉了。
5. 虚拟式动词原形亦常用在独立句中，表愿望
Long live the Communist Party of China！中国共产党万岁！
God bless you! 上帝保佑你。
God damn it! 该死的！
The devil take you! 见鬼去吧！
So be it then. 就那样吧。
6. 虚拟时态与谓语动词时态的关系：从句中的虚拟时态往往不受全句谓语时态的影响。
1) 用于主语从句。试比较：
It is important that he should know about this.他必须知道此事。
It was important that he should know about this.他必须知道此事。
2) 用于宾语从句。试比较：
I suggest that we should go tomorrow.我建议我们明天走。
I suggested that we should go the next day.我建议我们第二天走。
She said, “If I were a boy I would join the army.”她说，“我如是男孩，就参军。”
She said that if she were a boy, she would join the army.她说她如是男孩就参军。
但强调现在时刻的虚拟式在间接引语中需要遵守时态一致的原则。试比较：
“If I knew how it worked, I could tell you what to do,” he said.
“假如我知道它是如何运行的话，我就会告诉你该怎么办，”他说道。
He said that if he had known how it worked he could have told me what to do.
他说假如他知道它是如何运行的话，他就会告诉我该怎么办。
“If I knew the answer to all your questions I'd be a genius,” he said.
“我如知道你所有问题的答案，我就是天才了。”他说道。
He said that if he knew the answer to al l my questions, he’d be a genius.
他说他如知道我所有问题的答案，他就是天才了。
但如果全句谓语是虚拟语气，其后从句的时态则多受其影响，现在时态应随之而变为过去时态。
如：I would think he was wrong.我看他是错了。(须用was,试比较：I think he is wrong)
It would seem that she was right. 她似乎是对的。(须用was,试比较：It seems that she is right) 专项训练：
1.I enjoyed the movie very much. I wish I _____ the book from which it was made.
A. have read
B. had read
C. should have read
D. are reading
2.You are late. If you _____ a few minutes earlier, you _____ him.
A. come; would meet
B. had come; would have met
C. come; will meet
D. had come; would meet
3.The two students talked as if they _____ friends for years.
A. should be
B. would be
C. have been
D. had been
4.It is important that I _____ with Mr. Williams immediately.
A. speak
B. spoke
C. will speak
D. to speak
5.He looked as if he _____ ill for a long time.
A. was
B. Were
C. has been
D. had been
6.If the doctor had come earlier, the poor child would not _____.
A. have laid there for two hours
B. have been lied there for two hours
C. have lied there for two hours
D. have lain there for two hours
7.I wish that I _____ with you last night.
A. went
B. could go
C. have gone
D. could have gone
8.Let’s say you could go there again, how _____ feel?
A. will you
B. should you
C. would you
D. do you
9.I can’t stand him. He always talks as though he _____ everything.
A. knew
B. knows
C. has known
D. had known
10._____ the fog, we should have reached our school.
A. Because of
B. In spite of
C. In case of
D. But for
11.If you had told me in advance, I _____ him at the airport.
A. would meet
B. would had met
C. would have met
D. would have meet
12.Mike can take his car apart and put it back together again. I certainly wish he_____ me how.
A. teaches
B. will teach
C. has taught
D. would teach
13.I would have told him the answer, had it been possible, but I _____ so busy then.
A. had been
B. were
C. was
D. would be
14.He’s working hard for fear that he _____.
A. should fall behind
B. fell behind
C. may fall behind
D. would fallen behind
15.If it _____ another ten minutes, the game would have been called off.
A. had rained
B. would have rained
C. have seen
D. rained
16.He suggested that they _____ use a trick instead of fighting.
A. should
B. would
C. do
D. had
17.My father did not go to New York; the doctor suggested that he _____ there.
A. not went
B. won’t go
C. not go
D. not to go
18.I would have gone to the meeting if I _____ time.
A. had had
B. have had
C. had
D. would have had
19.Would you rather I _____ buying a new bike?
A. decided against
B. will decide against
C. have decided
D. shall decide against
20.You look so tired tonight. It is time you _____.
A. go to sleep
B. went to sleep
C. go to bed
D. went to bed
21.—Why didn’t you buy a new car?
—I would have bought one if I _____ enough money.
A. had
B. have had
C. would have
D. had had
22.If she could sew, _____.
A. she make a dress
B. she would have made a shirt
C. she will make a shirt
D. she would had made a coat
23._____ today, he would get there by Friday.
A. Would he leave
B. Was he leaving
C. Were he to leave
D. If he leaves
24.His doctor suggested that he _____ a short trip abroad.
A. will take
B. would take
C. take
D. took
25.The Bakers arrived last night. If they’d only let us know earlier,_____ at the station.
A. we’d meet them
B. we’ll meet them
C. we’d have met them
D. we’ve met them
26.If I _____ you, I _____ more attention to English idioms and phrases.
A. was; shall pay
B. am; will pay
C. would be; would pay
D. were; would pay
27.We might have failed if you _____ us a helping hand.
A. have not given
B. would not give
C. had not given
D. did not give
28.The law requires that everyone _____ his car checked at least once a year.
A. has
B. had
C. have
D. will have
29.It is strange that he _____ so.
A. would say
B. would speak
C. should say
D. will speak
30.Had I known her name, _____
A. or does she know mine?
B. and where does she live?
C. she would be beautiful.
D. I would have invited her to lunch.
31.He has just arrived, but he talks as if he _____ all about that.
A. know
B. knows
C. known
D. knew
32.If I _____ the money, I would have bought a much bigger car.
A. possessed
B. owned
C. had
D. had had
33.He was very busy yesterday; otherwise, he _____ to the meeting.
A. would come
B. came
C. would have come
D. will come
34.The librarian insists that John _____ no more books from the library before he returns all the books he has borrowed.
A. will take
B. took
C. take
D. takes
35.I left very early last night, but I wish I _____ so early.
A. didn’t leave
B. hadn’t left
C. haven’t left
D. couldn’t leave
36.I do not have a job. I would find one but I _____ no time.
A. had
B. didn’t have
C. had had
D. have
37.I wish that you _____ such a bad headache because I’m sure that you would have enjoyed the concert.
A. hadn’t
B. didn’t have had
C. hadn’t had
D. hadn’t have
38.He insisted that we all _____ in his office at one o’clock.
A. be
B. to be
C. would be
D. shall be
39.Helen couldn’t go to France after all. That’s too bad. I’m sure she would have enjoyed it if _____.
A. she’s gone
B. she’ll go
C. she’d gone
D. she’d go
答案：
1—5 BBDAD 6—10 DDCAD11—15 CDCAA6—20 ACAAD
21—25 DBCCC 26—30 DCCCD31—35 DDCCB 36—39 DCAC
解析：
1.wish后面用虚拟语气，表示与过去事实相反用过去完成时。
2.条件句表示与过去事实相反，主句用过去将来完成时，从句用过去完成时。
3.as if后面如果表示真实情况就不用虚拟。
4.It is important that是主语从句的虚拟语气，从句用sb. should do的形式。
5.as if后面是真实情况，不虚拟。
https://www.wendangku.net/doc/e611057569.html,in是lie的过去分词，表示“躺”。
7.could have done表示“本来可以”。
8.与将来相反的虚拟语气，主句用过去将来时。
9.as if表示不可能发生的事情时用虚拟语气。
10.but for表示“要不是……的话”，通常与虚拟语气搭配使用。
11.in advance表示“事先”，表示与过去事实相反的虚拟语气。
12.wish的宾语从句表示发生在将来的愿望用过去将来时。
13.but的并列句表示真实情况，不用虚拟语气。
14.for fear that后面的状语从句用sb. should do的形式。
15.表示与过去事实相反，主句用过去将来完成时，从句用过去完成时。
16.suggest后面的宾语从句用sb. should do的形式。
17.suggest后面的从句用sb. should do的形式，should可以省略。
18.表示与过去事实相反，从句用过去完成时。
19.would rather的宾语从句用sb. did的形式。
20.It is time后面的定语从句用sb. did的形式。
21.第一个had是过去完成时，第二个had表示“有”。
22.would have done是过去将来完成时，表示与过去相反的虚拟语气。
23.这是虚拟语气的倒装形式，把if去掉，助动词提前。
24.suggest后面的从句用sb. should do的形式，should可以省略。
25.表示与过去事实相反，主句用过去将来完成时。
26.在虚拟语气中，不管什么人称，be动词都要用were的形式。
27.表示与过去事实相反，从句用过去完成时。
28.require后面的从句用sb. should do的形式，should可以省略。
29.It is strange that是主语从句的虚拟语气，从句用sb. should do的形式。
30.had I known是与过去相反的虚拟语气的倒装形式。
31.as if表示不可能发生的事情时用虚拟语气。
32.第一个had是过去完成时，第二个had表示“有”。
33.otherwise经常可以搭配虚拟语气，表示与过去事实相反。
34.当insist表示“坚持认为”时不用虚拟形式。
35.wish后面用虚拟语气，表示与过去事实相反用过去完成时。
36.but的并列句表示真实情况，不用虚拟语气。
37.wish后面用虚拟语气，表示与过去事实相反用过去完成时。
38.当insist表示“坚持要求”时从句用虚拟形式。
39.表示与过去事实相反，从句用过去完成时。
高中英语虚拟语气详细讲解大全
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高中英语语法虚拟语气教学设计
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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。
高中英语虚拟语气详解和练习(含答案解析)
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第四节虚拟语气在名词从句中的运用 一、虚拟语气在主语从句中 A.在句型“It is important (necessary, strange, natural) that .... ”中，表示某事 重要、奇怪、自然、必要等；that 后面的从句中的谓语动词用： should + 动词原形（should 可以省略）例如： It’s important that we should take good care of the patient. 重要的是我们要照顾好病人。 这类的形容词还有advisable（可取的），appropriate（适当的），compulsary（必须的），crucial （关键的），desirable（理想的），essential（必要的），imperative（迫切的），important(重要的)，possible（可能的），preferable（更好的），probable（可能的），strange（奇怪的），urgent（急迫的），vital（极为重要的）等。 B. 在It is demanded/suggested/ordered/required/recommended/requested/required/. that-clause句型中从句用(should )+动词原型，表示愿望，建议，请求等主观意愿等。 It is demanded that we should work out a plan. C. 在It is a pity/a shame/ no wonderproposal/recommendation/suggestion/surprise/advice that…..句型中从句也常用(should )+动词原型,表示建议，命令，请求，道歉，怀疑，惊奇等。 It’s a pity that you (should) miss a good chance. 二、用于宾语从句 用于表示命令、建议、要求等一类词后面的宾语从句。 insist, suggest, order, command, advise, propose, require, request, demand, desire etc. 注意：suggest 当表示“暗示、表明“讲时，insist 表示”坚持认为“之意时，应用陈述语气。 The teacher suggested that we should clean the blackboard after class. 老师建议我们课后把黑板擦了。 The smile on his face suggested that he was satisfied with our work. 他脸上的表情表明他对我们的工作很满意． He insisted that all of us be there on time by any means. 他坚持要求我们大家想尽办法按时去那里。 The man insisted that he had never stolen the money. 那个人坚持说他没有偷钱． 三、用于表语从句和同位语从句 在suggestion / proposal / order / plan / advice / idea / request /desire/ recommendation/resolution 等名词后的表语和同位语从句中要用“should＋动词原形” should可以省略． My advice is that you should practice speaking English as often as possible. 我的建议是你要尽可能经常地练习说英语。 The suggestion that the mayor should present the prizes was accepted by everyone. 每个人都接受由市长颁发奖金这一建议。 第五节虚拟语气在其他从句中 1. It is (high / about ) time that…从句中的谓语动词用过去式或should＋动词原形，should 不能省略．
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）
英语虚拟语气讲解
虚拟语气 虚拟语气(Subjunctive Mood)这一语法项目是各类英语考试中心测 试的重点之一。虚拟语气是一种特殊的动词形式，用来表示说话人所说 的话并不是事实，而是一种假设、愿望、怀疑或推测。 Ⅰ用以表示虚拟条件的虚拟语气 虚拟条件句的三种基本类型: 1.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 you took a taxi，you’d get there quicker.如果你坐出租车去，你可以快一点到那里。(但你不坐) 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) 2.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) If we had found him earlier we could have saved his life. 要是我们当时早点找到他的话，我们就可以救活他。(可惜我们找到他太晚了) 3.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 he went，would you go too? 如果他去，你也去吗?(大概他不会去) 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) 大多数的虚拟条件句属于上面三种情况的一种，但并不排除存在条件和 后果中，一个和现在情况相反，另一个和过去情况相反，例如：If you had followed what the doctor said, you would not have been so painful now. 这个句子在高中出现频率颇高。 但是，如果后果用了虚拟语气，而条件却用陈述语气，这种用法是错的。 2. 除了表示虚假条件外，if从句还可以表示对将来的推测，由于是 将来还没有发生的，所以谈不上是真实的还是虚假的，只能说这个事情 发生的可能性有多大。一般情况下，可以用陈述语气的if从句来表示对
高中英语语法(虚拟语气)
Unit13虚拟语气专题讲解 【知识要点】 语气（mood）是一种动词形式，用以表示说话者的意图或态度。 英语有三种语气： ＊直陈语气（indicative mood）---- 事实 France lies to the east of England. ＊祈使语气（imperative mood）---- 请求、命令 Make yourself at home. ＊虚拟语气（subjunctive mood） If there were no air and water , we should not be able to live on the earth. 虚拟语气表示说话人的一种主观愿望或假想，所说的是一个条件而不一定是事实，或与事实相反。 一. 虚拟语气在if条件状语从句中的用法 假设类型条件从句谓语 动词形式 主语谓语 动词形式 与现在事实相反动词的过去式(be用were而不用was) should/ would /could/ might+动词原形 与过去事实相反had + 过去分词 should/ would/could /might + have+过去分词 与将来事实相反1.should+动词原形 2.动词过去式 3.were to+动词原形 should/ would/ could/ might +动词原形 1. 在错综条件句子中，虚拟条件从句和主句动作发生的时间不一致，因此，主句和从句的谓语动词应根据所指的时间选用适当的虚拟语气形式。 1）If I were you，I wouldn't have missed the film last night． 2）If he had followed the doctor's advice，he would recover already．（从句与过去事实相反，主句与现在事实相反。） 2、在if虚拟条件句中，有时可把连词省去，采用倒装语序把谓语动词were或助动词did，had，should 移到句 首构成非真实条件从句的另一种句型，其意思不变。 1）Had we time to spare，we would be glad to go to the park． 2）Were it not for the discovery of electricity，the modern world would experience great inconvenience． 3、有时假设的情况不用if引导虚拟条件从句来表述，而用介词（如without， but for等）引出的短语、分词 （如supposing等）引出的短语、并列连词（如or，otherwise，but，though等）、由动词suppose引出的祈使句或通过上下文的意思来表达。此时句中谓语动词仍采用虚拟语气的相应形式。 1）But for your advice，I would not be able to do this work． 2）Victor obviously doesn't know what's happened，otherwise he wouldn't have made such a stupid remark．。
英语语法专项：虚拟语气用法详解及练习(附答案)
虚拟语气用法详解 一、条件句中的虚拟语气 1. 条件句中虚拟语气的形式 从句中提出一种与客观现实不相符或根本不可能存在的条件，主句会产生的一种不可能获得的结果。条件句中 的虚拟语气根据不同的时间有三种不同的形式。 2. 条件句中的虚拟语气的举例 (1) 将来时的条件句中的虚拟语气。如： If he should go to Qing Hua University, he would make full use of his time. 如果他要上清华大学的话，他就会充分 利用他的时间了。 If he were to come here, he would tell us about it. 如果他要来的话，他会通知我们一声。 (2) 现在时的条件句中的虚拟语气。如： If he were free, he would help us. 要是他有空的话，它会帮助我们的。 If he studied at this school, he would know you well. 如果他在这所学校学习的话，它会对你很熟悉。 (3) 过去时的条件句中的虚拟语气。如： If I had seen the film, I would have told you about it. 我如果看过这场电影，我会把电影内容告诉你了。 If I had got there earlier, I would have met Mr. Li. 如果我早点到那儿，我就会会到了李先生。 3. 运用条件句中的虚拟语气时，须注意的几个问题 (1) 当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was 代替were。但在倒装虚拟结构及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 my best to grasp the chance. 要是我是你的话，我要尽力抓住这次机会。 (2) 有时，虚拟条件句中，主、从句的动作若不是同时发生时，须区别对待。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。
人教版高中英语【必修二】[语法讲解
人教版高中英语必修二 知识点梳理 重点题型（常考知识点）巩固练习 限制性定语从句和非限制性定语从句 概念引入： He is a person who never gives up. 他是个永远不服输的人。 I found him in the woods, where has a well-known tree. (我是在树林里找到他的，那里有一棵很有名的树。) Our guide,(who was a Frenchman, ) was an excellent cook. 我们的导游是个很优秀的厨师，他是个法国人 She was not on the train which arrived just now。 她没在刚刚到达的那辆车上 语法点拨 什么是定语从句？ 修饰主语、宾语、表语的句子就叫做定语从句。引导定语从句的关系词有： 关系代词：who, whom, whose, which, that 关系副词：when, where, why 我们把下面两个句子组合成一个复合句： 1. This is our school. It is beautiful. →This is our school which is beautiful. 2. This is our school. We study in our school. →This is our school which we study in. →This is our school in which we study. →This is our school where we study. 3. Do you know the room? It is made of amber. →Do you know the room which is made of amber? 4. I have read the newspaper. It carries the important news. →I have read the newspaper which carries the important news. 从上述定语从句的组合我们可以看出： 先行词和关系词的关系：关系代词实际上是先行词的复指；关系词whose 实际上是先行词的所有格。 1. A plane is a machine that can fly. the machine = that 2. The boy who broke the window is called Wangkai. the boy =who 3. The boy whose parents are working outside was brought up by his grandfather. the boy’s =whose 【高一英语语法（二）定语从句（二）356521限制性定语从句和非限制性定语从句】
高三英语语法复习课---虚拟语气说课稿与教案
高三英语语法复习课---虚拟语气说课稿与教案 高三英语陈素虹 教学设计理念: 英语教学是一种动态教学，教学过程是交际活动过程。只有从组织教学活动入手，大量地进行语言实践，使英语课堂交际化，才能有效地培养学生运用英语进行交际的能力。新课标提出：“外国语是学习文化科学知识，获取世界各方面信息和进行国际交往的重要工具。”和“发展听、说、读、写的基本技能，提高初步运用英语进行交际的能力，……”。Ellis(2002, Studies in the Second language Acquisition)指出，教师应为学生提供足够的可理解性输入，指导学生观察和留意语篇中包含的目标语法特征，并作归纳、总结，然后练习使用。本人结合区级研究课题“高中英语任务型课堂教学课题”的实施和本班学生的实际，对高三语法复习课---虚拟语气进行了操作性较强的处理。 一、教材分析： 本课是结合外研社高中英语教材选修6中有关虚拟语气的语法内容，进行高三英语语法---虚拟语气的复习，我在教学中将语法知识的传授和语言基本技能的学习结合到一起，注重复习语法与语言的运用。采用任务型教学法和小组合作探究学习法，从而扩大课堂的语言输入量及学生的语言输出量。 二、学情分析： 在高一和高二两年英语学习的基础上，高三学生已经掌握了基本的语言结构和一定程度的听说读写能力。在高三语法复习的过程中，结合学生原有的知识掌握水平，巩固基础强化正确使用语法知识，提高学生运用语言的深度和难度，为高考和大学的进一步学习研究打下坚实的基础。但大部分学生的基础知识仍然较为薄弱，运用英语进行交际活动的能力较差，主动学习的动力不够，然而他们学习比较认真，好胜心强，渴望在班集体里得到他人的承认，很在乎别人对他们的评价，求知欲旺盛，思维比较活跃。部分学生的基础较好，能主动配合老师，愿意开口讲。他们有着高中生独立、爱表现自我的特点。因此，只有设置使他们感兴趣的活动，因材施教，才能让他们投入到课堂活动中来。 三、教学重点: 1.把握本课复习的重点---语法虚拟语气的句型结构 2.语法虚拟语气的运用 四、教学难点:
高考英语虚拟语气知识点经典测试题及解析
高考英语虚拟语气知识点经典测试题及解析 一、选择题 1．I insisted he______ back the wallet to the lady, but he insisted he______it. A．handed; didn’t steal B．hand; hadn’t stolen C．hand; not steal D．handed; hadn’t stolen 2．Recent years have seen a growing increase in the emergence of cyber terms, without which our life _____ so colorful nowadays. A．won’t be B．hadn’t been C．wouldn’t be D．can’t be 3．This winter vacation, my family are going to visit the Great Wall, but I would rather we ________ to Shanghai Disneyland. A．go B．had gone C．would go D．went 4．The requirement of the government is that the citizens not set off fireworks from January 1, 2019 on. A．shall B．should C．can D．may 5．What do you think of the proposal that improvement ____ in the type of vacuum cleaner? A．be made B．will be made C．would be made D．has to be made 6．I wish I ________ an architect because then I ________ be able to design my own house. A．am, will be B．were, would C．will be, could D．was, could 7．How I wish I ______ my mouth before I shouted at my mum! A．shut B．have shut C．had shut D．would shut 8．That was not the first time he ____ us. I think it's high time we ____ strong actions against him. A．betrayed, take B．had betrayed, took C．has betrayed, took D．has betrayed, take 9．Studies show that historical barriers on women acceptance in organizational environments, the development of the company would already be way ahead. A．were it not for B．if there being no C．hadn't it been for D．if it is not for 10．The board thought it urgent that these files _____ right away. A．printed B．had been printed C．would been printed D．be printed 11．What a pity! Considering his ability and experience, he ___________ it better. A．need have done B．must have done C．can have done D．might have done 12．If penicillin available, many people from sickness or even small wounds in World WarⅡ.
大学英语语法-虚拟语气
虚拟语气 1. I wish (that可省略,下同)I knew the answer to the question.我希望知道这个答案。(事实上是不知道) 2. He wishes he hadn't lost the chance. 他真希望没有失去机会。(其实已失去) 3. You wished she would arrive the next day.(would + arrive) 你希望她第二天会到。(事实上她还没到) Subjunctive Mood作为专门表达假设意义和其他非事实意义的动词形式，仅是古英语遗留下来的残余。它仅有两个形式，即be型虚拟式和were型虚拟式。 Be型虚拟]----- be型虚拟式是以动词原形表示的，不管主语是什么人称，动词一律用原形，如动词为被动态，则助动词be也用原形。其主要用法如下： 1)用于表命令、决定、建议、坚持等词语之后的that分句中 这一用法又分三种情况： a)用在 decide,decree,demand,insist,move,order,prefer,propose,recommend,request,require, suggest,vote等动词之后的that分句中.（宾语从句） 在expect, believe, think, suspect等动词的否定或疑问形式后的宾语从句中，我们经常用“should＋动词原形(或完成形式)”，表示惊奇，怀疑，不满等。 He ordered that all the books be sent at once. He ordered that all the books be sent at once. we propose that somebody neutral take the chair. She insisted that she go to the south for her holiday. b)用在 advisable,appropriate,desirable,essential,fitting,imperative,important,impossible,nece ssary,obligatory,proper等形容词之后的that分句中。（主语从句） It is essential that all the facts be examined first. It was appropriate that thisi tax be abolished. I thousht it advisable that an armed guard stand in readiness. c)用在 decision,decree,demand,instruction,order,requirement,resolution等名词之后的that分句中。 The board has given instructions that the agent fly to Boston. We were faced with the demand that this tax be abolished. Their decision was that the school remain closed. 在这一用法中be型虚拟式能与“should+不定式”交替使用，也能与to-不定式交替使用。 He ordered that the books be sent at once . = He ordered that the books should be sent at onc. = He ordered that the books to be sent at once. 2）用于由if,though等引导的分句中.
高中英语虚拟语气教案
㈠课程说明 教学目标： 虚拟语气是高考的重点，且难度较大。本次课程通过对虚拟语气知识点的复习讲解，总结概括，让学生知道虚拟语气是用来表示人的主观的愿望和假想，达到学生对知识点的熟练运用，在脑海中形成具有条理性的知识框架的目的。 教材分析： 虚拟语气是高考英语重点和难点，掌握好虚拟语气的重要性对每个参加高考的学生不言而喻。这次课程是高三第一轮复习时对虚拟语气的再次讲解和梳理，全部的知识都经过了高度的总结合概括，均是高考考点。 学生特征分析： 辅导的学生是高三年级，刻苦努力，理解能力较强，有一定的基础。基本知识掌握一般，且很多重要的知识点已经遗忘。 教学重点难点： 1、真实条件句和非真实条件句的用法。 2、虚拟语气用在主语从句，表语从句，同位语从句，定语从句中 的用法。 3、情态动词+ have + done的用法。 ㈡课前准备： 教学方法： 一对一辅导，面对面答疑，培养学生对英语的理解表达和思维的
能力，同时安排适当的练习，保证学生能够当堂消化所讲内容。 教学器材： 黑板，粉笔，草稿纸，教案，给学生的资料，如果有条件可以适当运用多媒体。 时间分配： 讲课40分钟，做练习题20分钟。 ㈢课程设计： 一、导入： If you were to succeed, everything would be all right. If you had asked him yesterday, you would know what to do now. （这两个句子是什么形式？之前学过还有印象吗？通过提问问题激发学生的思考能力，再次对学生的知识掌握能力进行了解。） 二、讲解虚拟语气基本知识 Ⅰ什么是虚拟语气？ 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。 Ⅱ虚拟语气在真实条件句非真实条件句中 真实条件句：表示现实或可能变为现实的条件。 非真实条件句：表示非现实的，或不可能，或不大可能变为现实的条件。 （老师举例说明真实条件句和非真实条件句。）
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
实用英语虚拟语气的解析及其用法讲解
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