虚拟语气讲解与练习
虚拟语气
第一部分知识讲解
虚拟语气存在于if条件从句中和一些固定结构中，虚拟语气与动词的过去的某种时态形影不离。虚拟语气是通过谓语动词的变化来实现的。
第一节 if 条件状语从句中的虚拟语气
一、if 条件状语从句中表示对将来、过去、现在的虚拟
If she invites me tomorrow, I shall go to the party.（真实条件句）
如果她明天邀请我参加聚会,我就去.
If she invited me, I should go to the party.(虚拟条件句)
(说话人认为邀请的可能性较小或不可能)
If I were you, I should study English. (I am not you , so I shall not study English.)
If I had time, I would attend the wedding. (I does not have time, so I will not attend the wedding.)
(You did not take my advice, so you have failed in the examination.)
If it should rain tomorrow, our picnic would be put off.
If it were to rain tomorrow, our picnic would be put off.
二、混合虚拟语气(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,动词的形式要根据它所表示的时间来调整.)
If you had worked hard, you would be very tired. (从句说的是过去,主句指的是现在)
If he had followed the doctor’s advice, he would be quite all right now
If I were you, I would have gone home.
If you had practiced speaking English every day, you would speak English well enough.
如果你当初每天都练习说英语的话,你的英语就会说得很好.
三.用介词短语代替条件状语从句(可以改为条件状语从句)
Without air, there would be no living things.
相当于:If there were no air, there would be no living things.
But for your help, I couldn’t have done it.
相当于:If you had not helped me, I couldn’t have done it.
四、虚拟语气的倒装：如果条件状语从句的谓语中有were, had或should,就可以倒装。将were, had或should放到句首,谓语主语之前, if去掉。变为”were/had/should+主语”的形式。如果从句没有were, had或should,就不能倒装。
If I were to do it, I’d do it some other way.
→ Were I to do it, I`d do it some other way.
If you should fail, try again.
→ Should you fail, try again.
If you had been here earlier, you would have seen him.
→ Had you been here earlier, you would have seen him.
If you came tomorrow, we would have the meeting.这句话不能倒装.
而且,在虚拟条件状语从句中,省略了if的倒装形式的句首不能用动词的缩略形式.如:
Were it not for the expense, I would go to Italy.
但不能说: Weren`t it for the expense, I would go to Italy.
第二节固定结构中的虚拟语气
一、.It is(high) time(that)……句型中的虚拟语气
在此句型中,后面的从句的谓语动词常用过去式,.意思为“（现在）该……的时候了”
It is high time that you got married. It is high time that I lost some weight.
二、.wish+宾语从句结构
I wish it were Spring all the year round. I wish I were Jane.
I wish you could go with us. We wish we had arrived there two hours earlier.
三.If only句中的虚拟语气
If only he were here!
If only I knew more!
If only he had stayed with us!
If only I had taken his advice!
注：if only也可以用于虚拟条件句中。例如：
If only I had more money, I could buy a car.
四、在would （just ）as soon （宁愿）would sooner （宁愿）would （just） rather （宁愿）后的宾语从句中，从句谓语用一般过去时来表示现在或将来要做的事情，若谈及过去的动作，用过去完成时。其后不加that。.
I`d rather I were in the rain now.
Don’t always make noise. I’d rather you kept silent.
五、在in case, for fear that, lest等引导的状语从句中，意为“以免”，从句要用虚拟语气。构成should+动词原形，should也可以省略。
Take an umbrella with you in case it (should) rain.
六、as if/as though或even if/even though引导的从句中的虚拟语气如果从句中表示的动作发生在过去,则谓语动词用had+过去分词形式;如果指的是现在的状况,则用过去式;指将来则用would(should, could)+动词原形.这里只看从句动作发生的时间,与主句的时态没有关系. Some metals look at first sight as though they were gold.
When a pencil is partly in a glass of water, it looks as if it were broken.
She looks as if/though she were ill.
He would not resign even if the heaven should collapse.(倒塌)
七.在表示建议,要求,命令等意思的动词(request, require, demand, advise, suggest, propose, recommend, command, order , desire, insist,)后面的宾语从句中, 谓语动词用should+动词原形,should可以省略,that不能省略.
He suggested that we (should) have a meeting.
The commander ordered that the bridge(should) be bombed.
八.与表示请求,建议,命令等动词相对应的名词后面的表语从句,同位语从句用虚拟语
气.(suggesttion,command,demand,desire,request,requirement,insist,advice,propose,order).
Our suggestion is that education not be industrialized.（表语从句）
==We suggested that education not be industrialized.
He made a request that he(should) be allowed to take 3 days off.
==He requested that he be allowed to take 3 days off.
九.表示建议,请求,命令动词在以下结构中（主语从句）“It is suggested/ required/ request/ ordered/ advised/ insisted/ demanded that……”用虚拟语气.
It was suggested that he (should) attend the conference.
It was requested that the trial (should) be reported openly.
十.在以下结构中（主语从句）It is important/ necessary/ strange/ desirable/ advisable/ better/ essential/ vital / imperative(必须的)that…句型中.that引导的从句用虚拟语气，should 可以省略,that不能省略.
It is essential that there should be enough food and clothing for the winter。
It is desirable that your wedding be postponed until next July.
第二部分虚拟语气练习题
一、if条件句中表示对过去的虚拟
1. ________, he would have come to class.
A If Mike is able to finish his homework
B Would Mike be able to finish his homework
C If Mike could finish his homework
D If Mike had been able to finish his homework
2. __________your advice yesterday, I would have missed the train.
A Had I not taken
B If I didn`t take
C If I haven`t taken
D Provided I didn`t take
3. He ____________ killed last night if he had taken part in the surprise attack on the night.
A .might be
B would be
C might have been D. should have been
4. If he had been in better health, he ____________more books.
A. can write
B. could have written
C. could write
D. have written
5._____ , everything would have been all right.
A. He had been here
B. Been here he had
C. Here he had been
D. Had he been here
二、混合虚拟语气
6. I ________ a little earlier, but I met a friend of mine on the way.
A. should arrive
B. would be arriving
C. could have arrived
D. arrived
三、用介词短语(without, but for)代替条件状语从句
7. ________ your help, I could not have finished my work so early.
A with
B by
C for
D without
8. Without his wise mother, he _________ such a successful scientist.
A. would not become
B. should not have become
C. may not have become
D. could not have become
四、It’ s (high/about)time结构
9. It’s time the dog __________ how to behave properly.
A is learning
B learns
C learned D. to learn
10. It’s high time you _________ the problem carefully about what you will do in the future.
A are studied
B must study
C studied D. study
11. It’s high time we_______ something to stop road accidents.
A are doing
B did
C will do D. do
12. It’s high time __________ about the traffic problem.
A. something were done
B. something is done
C. anything will be done
D. nothing to be done
五、在wish+宾语从句中
13. I wish you __________here last night. All of us were waiting for your arrival.
A. came
B. had come
C. come
D. will come
六、在would (just) rather, would (just) as soon ,would sooner(宁愿)结构中
14. I’d just as soon __________those importa nt papers with you.
A. that you won’t take
B. your not taking C please don’t you take D. you didn’t take
15. Mr. Smith would just rather we__________ now , but we must go to work.
A. not leave B didn’t leave C are not to leave D won’t leave
16. I would rather you _____ to the party with her.
A go
B went
C will go
D has gone
七、在表示建议,请求,命令的宾语从句中
17. Experiments __________that accurate measurements be made.
A. show
B. prove
C. demand
D. head
18. The teacher insisted that we our homework before 9:00 o’clock.
A. finished
B. had finished
C. finish
D. was finishing
八、表示建议,请求,命令,坚持等同位语、表语从句中的虚拟语气
19. One of the requirements for a fire is that the material _______ to its burning temperature.
A. is heated
B. will be heated
C. be heated
D. would be heated
20. We are all for your proposal that the discussion__________.
A. be put off
B. was put off
C. will be put off
D. should put off
九、主语从句
21. It is requested that the rent for the house _________ in advance.
A. will have to be paid
B. has to be paid
C. should have to be paid
D. should be paid
22. It is very important that enough money_________ to fund the project .
A. be collected
B. must be collected
C. is collected
D. can be collected
23. It is necessary that the problem __________ in some way or other.
A. is settled
B. has been settled
C. be settled
D. was settled
第三部分补充练习
1. If you _______5 minutes earlier, you ________ him.
A. should come; had seen
B. came; would see
C. come; will see
D. had come; would have seen
2. He hesitated for a moment before kicking the ball, otherwise he __ a goal.
A. had scored
B. scored
C. would score
D. would have scored
3. It is strange that Mr. Zhang ______ such silly mistakes.
A. made
B. makes
C. make
D. had made
4. They demanded that the books ______ to the school library at once.
A. return
B. should return
C. be returned
D. would be returned
5. How I wish every family _____ a large house with a beautiful garden!
A. has
B. had
C. will have
D. had had
6. It is high time that we _______ to think how to deal with the money.
A. would begin
B. began
C. begin
D. begun
7. If only he _______ quietly as the doctor instructed, he would not suffer so much now.
A. lies
B. lay
C. had lain
D. should lie
8. If I had had enough time, I _______ my work.
A. would finish
B. must have finished
C. would have finished
D. had finished
9. Ten minutes earlier, they ________ the plane.
A. will catch
B. would catch
C. would have caught
D. will have caught
10. Mr. Green requires that the students ________ a composition every other week.
A. write
B. written
C. would write
D. will write
11. Had he studied hard, he ______ the exam.
A. would pass
B. could pass
C. had passed
D. would have passed
12. I wish I _______ what is happening there in this room.
A. know
B. known
C. knew
D. should know
13. If there were no water in the world, everything __________.
A. will die
B. would die
C. would have died
D. would have been dead
14. _______ what was going to happen, I would never have left her alone.
A. Had I known
B. If I know
C. If I knew
D. If had I known
15. He ordered that the work ________ right away.
A. should finish
B. finished
C. would be finished
D. be finished
16. ---Shall we go to the movie tonight?
--- No, I’d rather____at home with our baby. You’d better not leave it to the babysitter at night.
A. you stayed
B. you stay
C. stayed
D. stay
17. Mrs. Black insists _______ in that old hotel.
A. not to stay
B. not staying
C. staying not
D. that she not stay.
18. If you had spoken clearly, you would ________ .
A. understand it
B. have understood
C. be understood
D. have been understood
19.If you _______ that late movie last night, you wouldn’t be so sleepy.
A. haven’t watched
B. hadn’t watched
C. didn’t watch
D. wouldn’t have watched
20.Without electronic computers, much of today’s advanced technolo gy __________ achieved.
A. will not be
B. would not be
C. would not have been
D. cannot have been
21.You didn’t let me drive. If we ______ in turn. You _______ so tired.
A. drove, didn’t get
B. drove, wouldn’t get
C. were driving, wouldn’t get
D. had driven, wouldn’t have got
22. Wouldn’t you rather that your child ______ to bed early?
A. go
B. went
C. would go
D. goes
23.But for the traffic jam, we _______ on time.
A. arrived
B. would arrive
C. will have arrived
D. would have arrived
24 My suggestion is that he _______ there at once.
A. should send
B. would send
C. be sent
D. sent
25.If only we ________ about the danger, we could not have joined you.
A. knew
B. had known
C. should know
D. know
26.I didn’t see your sister at the meeting. If she ______, she would have met my brother.
A. has come
B. did come
C. came
D. had come
27.—If he _____, he ______ that food.
---Luckily he was sent to the hospital immediately.
A. was warned: would not take
B. had been warned; would not have taken
C. would be warned; had not taken
D. would have been warned: had not taken
28.Without electricity, human life _________ quite different today.
A. is
B. will be
C. would have been
D. would be
29.I insist that a doctor _________ immediately.
A. has been sent for
B. sends for
C. will be send for
D. be send for
30.If my lawyer _______ here last Saturday, he ______ me from doing.
A. had been; would have prevented
B. had been; would prevent
C. were ; would prevent
D. were; would have prevented
31. ________, all the students would hear.
A. If the teacher had spoken louder
B. If the teacher will speak louder
C. Had the teacher spoken louder
D. If the teacher spoke louder
32. It is of the utmost importance that gasoline ______ smoothly in the engine if the engine is to function properly.
A. burns
B. burn
C. would burn
D. has burned
33. What should we do if it_______ tomorrow?
A. should snow
B. would snow
C. snow
D. will snow
34. If you_______ at school, you_________ a college student now.
A. had studied hard; would have been
B. should have studied hard; should have been
C. had studied hard; would be
D. would study hard; must have been
35.We________ the work on time without your help.
A. hadn’t finished
B. didn’t have finished
C. couldn’t have finished
D. can’t have finished
36. He must have had an accident, or he _________then.
A. would have been here
B. had to be here
C. should be here
D. would be here
37. _______ I been there, I could have explained it.
A. Have
B. Should
C. Would
D. Had
38.We insist that a meeting _________ held as soon as possible.
A. have been
B. should be
C. to be
D. being
39. Eleven thirty. It’s time we ___________ lunch.
A. must prepare
B. are preparing
C. prepared
D. prepare
40. The guard at the gate insisted that everybody __________ the rules.
A. obeys
B. obey
C. will obey
D. would obey
41.The apartment manager demanded ___________ immediately.
A. Bill to move out
B. that Bill move out
C. that Bill moves out
D. that Bill moved out
42. Look at the terrible situation I am in! If only I ______ your advice.
A. follow
B. had followed
C. would follow
D. have followed
43. The teacher demanded that the exam ________ before eleven.
A must finish
B would be finished
C be finished
D must be finished
44. They must have been enjoying themselves there, or they ______ so long.
A. can’t have stayed
B. wouldn’t have stayed.
C. needn’t have stayed
D. couldn’t stay
45._________ you were coming, I’d have met you at the railway station.
A. I had known
B. I have known
C. Had I known
D. Have I known
46 _________, we could not have finished the work on time.
A. If they do not help
B. Should they offer to help
C. But for their help
D. It was not for their help.
47. Your suggestion that he ________ till next week is reasonable.
A. will wait
B. wait
C. shall wait
D. waits
48.I’d rather you ________ anything about it for the time being.
A. don’t
B. didn’t
C. didn’t do
D. do
49.If I had known how to repair the toaster, I surely ________her.
A. will tell
B. shall tell
C. would have told
D. would tell
50. She was busy preparing for the final exam, otherwise she __________you much help.
A. would give
B. gave
C. had given
D. would have given
虚拟语气详解
虚拟语气详解 虚拟语气表示说话人的主观愿望（往往与客观事实相反），或是表示假象和猜测。虚拟语气无论从形式上还是时态上都比较复杂，需要归类记忆。 虚拟语气大体分为三类：(1) be型虚拟(2) were型虚拟(3) if 条件句及主句虚拟下面会详细说每种虚拟形式的特征和规律，考试时先判断属于哪种虚拟类型，剩下的皆是套路~ （1）be型虚拟（基本是套路） 形式：should + 动词原形，should可以省略 用法：1）表示“命令、建议、要求”等意义词语之后的宾语从句用be型虚拟，常见的词如下: demand, desire, insist, order, ask, command, propose, recommend, suggest, prefer, require, request等 最常见的形式是这类动词后面接着一个宾语从句，则宾语从句的谓语部分要用（should）+ 动词原形来虚拟 例: We demand that the meeting（should）be postponed. The manager suggested that we (should) work together. 注意：有时候你所见到不一定是上述动词引导的宾语从句，而是由上述词变体后所引导主语从句(it做形式主语，如：it is advised/ suggested/ requested/ ordered/ proposed that…)、表语从句或同位语从句 例如：It is required that the students (should) learn a foreign language. (主语从句) The requirement is that all the equipment in the meeting room (should) be checked twice before. (表语从句) We didn’t stand for his proposal that the meeting (should)be postponed. (同位语从句) 只要看到句中有上述动词或其变体，不管词性怎么变、句型怎么变，都用be型虚拟！ 特例：suggest和insist这两个比较特殊，当suggest作“暗示、表明、说明”讲，insist 作“坚持说”讲，后面一般跟的是客观事实，不需要虚拟~这是一个比较重要的考点，体会下面两组句子： We all suggest that a lab (should) be built. 我们都建议建一个实验室。 Her expression suggests that she is angry. 她的表情说明她生气了。 She insisted that we should find the source of the river. 她坚持主张我们应该找到河的源头。 She insisted that she had done nothing wrong. 她坚持说自己没做错事。 suggest 的区别很明显，但insist有点难辨别，一般来说如果insist后面跟的是某种主张，或是坚持要做一件事，那么用虚拟。 2）表示主观看法，常表示“某事是必要的、重要的。。。怎么怎么样的”，尤其是在“ it is +名词/形容词+ that从句”结构中，常见的形容词包括：advisable, desirable, essential, imperative, important, necessary, obligatory, proper, dispensable, impossible, natural, surprising等 例如：It is advisable that you (should) leave now. It is necessary that teenagers (should) take part in outside activities. It is of great importance that smoking (should) be banned in public area.
高中英语虚拟语气详细讲解大全
高中英语虚拟语气详细讲解 虚拟语气 什么是虚拟语气？是的，我们要学习虚拟语气就必须先弄明白它的概念。 虚拟语气包含两种：一种指与事实相反或不可能发生。“虚拟条件句+虚拟主句”的结构都属于这一类；even if、even though、as if、as though引导的状语中如果需要用到虚拟语气也属于这一类；wish、would rather后面接的宾语从句表示不可能实现的愿望，还是属于这一类。 另一种指与事实实际是否发生没有直接关系。如和suggest、order、demand等表示建议、命令、要求等相关的名词性从句都属于这一类。 大家知道以上两类虚拟语气后，我们就从从句的角度来系统学习虚拟语气。紧跟小简老师的步伐哦！ 一. 虚拟条件句中的虚拟语气 1、表示与现在事实相反的情况 从句：If+主语+did(be动词用were) 主句：主语+ should/would/might/could+do
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） If I knew his telephone number,I would tell you. 如果我知道他的，我就会告诉你。（事实：不知道） 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) 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/might/could+have done If I had got there earlier,I should/would have met her. 如果我早到那儿，我就会见到她。（事实：去晚了） 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、表示与将来事实相反的情况
高考英语专题虚拟语气知识点真题汇编含答案
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非常详细的虚拟语气讲解资料
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高考英语虚拟语气知识点经典测试题 一、选择题 1．The board thought it urgent that these files _____ right away. A．printed B．had been printed C．would been printed D．be printed 2．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 3．—Oh, dear. I’m really very busy now. —Would you rather that I to you about my experience at school? A．shouldn’t speak B．didn’t speak C．don’t speak D．won’t speak 4．louder, all the students would hear. A．If the teacher had spoken B．If the teacher will speak C．Had the teacher spoken D．If the teacher spoke 5．—What a pity! You missed my birthday party. —Terribly sorry!___________my uncle not visited me unexpectedly. A．Should B．Would C．Had D．Did 6．I strongly suggest that the information ____ in my report ____ to Mr Brown without delay. A．to be referred to; to be e-mailed B．referring to; e-mail C．referred to; be e-mailed D．being referred to; being e-mailed 7．—Where are the children? The dinner’s going to be complere ly ruined. —I wish they always late. A．weren’t B．hadn’t been C．wouldn’t be D．wouldn’t have been 8．It is time that we ________ a decision on how to approach this problem. A．make B．made C．to make D．will make 9．I ______ to you at that time, but I didn’t know where you lived. A．had written B．wrote C．would write D．would have written 10．It is recommended that the project ______ until all the preparations have been made. A．is not started B．will not be started C．not be started D．is not to be started 11．We require the thief _________ into prison. A．refers to being put B．referred to be put C．refer to being put D．referred should be put 12．_____, the student insisted that he _____ separated from his desk mate, who is very naughty. A．To avoid being affected; be B．To avoid to be affected; would be C．Avoid being affected; should be D．Avoiding to be affected; be 13．It’s high time that we against spreading false information on the Internet. A．will fight B．fought C．would fight D．fight 14．They demanded that the right to vote ___________ to every adult. A．was given B．was giving C．be giving D．be given 15．--- Are you happy now?
英语总复习虚拟语气完整归纳(1)
英语总复习虚拟语气完整归纳(1) 一、初中英语虚拟语气 1．—A student in my class said to me, “if I ______our math teacher, I_____ make math learning easier and more interesting instead of giving the kids much homework to do every day.”A．were, would B．am, will C．was, would D．were, will 【答案】A 【解析】 试题分析：句意：我班里的一个学生对我说：如果我是数学老师，我会使数学学习更简单有趣，而不是每天给学生许多作业去做。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。其主要有三种结构： 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” 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” 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”。 该句描述的是与现状相反的事实故选A。 考点：考查虚拟语气。 2．---Can you tell me what to wear at the party? ---If I ___you,I___the blue jeans. A．was,will wear B．am,will wear C．were,would wear D．were,wore 【答案】C 【解析】 试题分析： 句意：---你能告诉我穿什么参加聚会吗？---如果我是你，我会穿蓝色的牛仔裤。本题考查的是虚拟条件句中主句和从句的时态问题。用if引导的虚拟条件句，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，例如：If I were in your position I would marry her.结合语境可知应选C。 考点：考查虚拟语态。 3． I________ a big house for my family if I _____ a lot of money． A．would buy, have B．would buy, had C．will buy; had D．will buy, will have 【答案】B
虚拟语气用法总结及详细解析
虚拟语气用法 英语中的语气分为陈述语气、祈使语气、虚拟语气、疑问语气和感叹语气五类。 1、表示动作或状态是客观存在的、确定的或符合事实的，用于陈述句、疑问句和某些感叹句中。 China is an Asian country. (肯定句) How interesting my stay in China has been! (感叹句) 2、祈使句表示说话人对对方的请求、警告，建议或命令。如: Please come over here. 请到这边来。 Watch your steps! 当心!(走路) 3、虚拟语气表示说话者做出的假设而非事实，或难以实现的情况，甚至表达彻底相反的概念。此外，如需表达主观愿望或某种强烈的感情时，也可用虚拟语气。虚拟语气是由句中的谓语动词的特殊形式表示出来的。如: If I were a bird，I would be able to fly in the air. 如果我是一只小鸟，我就能在空中飞行。 I wish I could pass the examination. 我希望我能通过考试。
If there were a heavy snow next Sunday, we would not go skating. 如果下周日下大雪，我们就不能去滑冰了。 If she were to be here next Monday, I would tell her about the matter. 如果她下周一来这儿的话，我就会告诉她这件事的始末。 4、有时，虚拟条件句中，结果主句和条件从句的谓语动作若不是同时发生时，虚拟语气的形式应作相应的调整。这种条件句叫错综条件句。 ①从句的动作与过去事实相反，而主句的动作与现在或现在正在发生的事实不符。 If I had worked hard at school, I would be an engineer, too.如果我在学校学习刻苦的话，我现在也会成为一个工程师了 If they had informed us, we would not come here now. 如果他们通知过我们的话，我们现在就不会来这里了。 ②从句的动作与现在事实相反，而主句的动作与过去事实不符。 If he were free today, we would have sent him to Beijing. 如果他今天有空的话，我们会已经派他去北京了。 If he knew her, he would have greeted her. 要是他认识她的话，他肯定会去问候她了。 5、当虚拟条件句的谓语动词含有were, should, had时，if可以省略，这时条件从句要用倒装语序，即把were, should, had等词置于句首，这种多用于书面语。 Should he agree to go there, we would send him there.要是他答应去的话，我们就派他去。 Were she here, she would agree with us.如果她在这儿的话，她会同意我们的。 Had he learnt about computers, we would have hired him to work here. 如果他懂一些电脑知识的话，我们已经聘用他来这里工作了。 【注意】 若条件从句为否定句，否定词not应置于主语之后，而不能与were，should，had 等缩略成Weren't，Shouldn't，Hadn't而置于句首。 Had it not been for the bad weather we would have arrived on time. 若不是天气坏，我们就准时到达了。 ②有时省略if后提前的had不是助动词: Had I time，I would come. 假若我有时间，我会来的。(=If I had time…) 6、非真实条件句中的条件从句有时不表达出来，暗含在副词、介词短语、上下文或其他方式表示出来，这种句子叫做含蓄条件句。 ①将条件会暗含在介词短语中，如without…, but for…,otherwise（要不是因为）等 But for his help, we would be working now. (要不是他的帮助，我们还会在工作呢。