高中英语虚拟语气知识点及练习
虚拟语气讲解及练习(有答案)
高中英语虚拟语气讲解及练习虚拟条件句就是对现实条件的一种虚拟假设，所假设的条件一般不符合事实或与事实相反或在现实中发生的可能性极小。
根据时间的不同，虚拟条件句可分为三种，即与现在事实相反的虚拟条件句、与过去事实相反的虚拟条件句（1）表示与现在事实相反If I had enough money now, I would lend it to you.（2）表示与过去事实相反If he had taken your advice, he wouldn’t have made such a bad mistake.（3）表示与将来事实相反I would go shopping with you if it were to be Sunday tomorrow.1. 虚拟条件句的倒装在虚拟条件句中，为了强调所假设条件的虚拟性，或突出说话人的一种主观愿望，虚拟条件句可用倒装结构。
虚拟条件句的倒装是通过去掉if，把条件从句谓语中的助动词、情态动词或系动词放在句首实现的。
例如：Had I been（= If I had been ） in that situation， I would not have let the thief escape away with so much money.Should there be （= If there should be） a drought， what should we do at that time ？2. 错综时间条件句有时条件从句的动作和主句的动作发生的时间并不一致，这时谓语动词的形式应根据它所要表示的具体时间来确定。
例如：If we hadn’t been working hard in the past few years ，thing s wouldn’t be going so smoothly.3. 含蓄条件句有时假设的情况并不以条件从句的形式表现出来，而是通过某个介词或介词短语（如：with，otherwise，without，but for，in that position）、上下文或其它方式表现出来。
高中英语虚拟语气讲解及练习和答案
高中英语虚拟语气讲解及练习虚拟条件句就是对现实条件的一种虚拟假设，所假设的条件一般不符合事实或与事实相反或在现实中发生的可能性极小。
根据时间的不同，虚拟条件句可分为三种，即与现在事实相反的虚拟条件句、与过去事实相反的虚拟条件句（1）表示与现在事实相反If I had enough money now, I would lend it to you.（2）表示与过去事实相反If he had taken your advice, he wouldn’t have made such a bad mistake.（3）表示与将来事实相反I would go shopping with you if it were to be Sunday tomorrow.1. 虚拟条件句的倒装在虚拟条件句中，为了强调所假设条件的虚拟性，或突出说话人的一种主观愿望，虚拟条件句可用倒装结构。
虚拟条件句的倒装是通过去掉if，把条件从句谓语中的助动词、情态动词或系动词放在句首实现的。
例如：Had I been（= If I had been ） in that situation， I would not have let the thief escape away with so much money.Should there be （= If there should be） a drought， what should we do at that time ？2. 错综时间条件句有时条件从句的动作和主句的动作发生的时间并不一致，这时谓语动词的形式应根据它所要表示的具体时间来确定。
例如：If we hadn’t been working hard in the past few years ，thing s wouldn’t be going so smoothly.3. 含蓄条件句有时假设的情况并不以条件从句的形式表现出来，而是通过某个介词或介词短语（如：with，otherwise，without，but for，in that position）、上下文或其它方式表现出来。
高一英语虚拟语气运用练习题40题含答案解析
高一英语虚拟语气运用练习题40题含答案解析1.If I were you, I ______ study harder.A.willB.wouldC.shallD.should答案解析：B。
if 引导的虚拟语气中，表示与现在事实相反，从句用一般过去时，主句用“would/could/should/might+动词原形”。
A 选项will 一般用于一般将来时，不符合虚拟语气的用法；C 选项shall 一般用于第一人称的将来时，也不符合；D 选项should 意思不对。
2.I wish I ______ a bird and could fly freely.A.amB.wereC.wasD.be答案解析：B。
在wish 后的宾语从句中，表示与现在事实相反，要用虚拟语气，be 动词用were。
A 选项am 是一般现在时的用法；C 选项was 一般用于比较正式的场合，但在虚拟语气中不用；D 选项be 一般在不定式等情况下使用。
3.If he had time now, he ______ with us.A.will playB.would playC.shall playD.should play答案解析：B。
if 引导的虚拟语气中，表示与现在事实相反，从句用一般过去时，主句用“would/could/should/might+动词原形”。
A 选项will play 一般用于一般将来时，不符合虚拟语气的用法；C 选项shall play 一般用于第一人称的将来时，也不符合；D 选项should play 意思不对。
4.She would be happy if she ______ more friends.A.hasB.hadC.haveD.having答案解析：B。
if 引导的虚拟语气中，表示与现在事实相反，从句用一般过去时，主句用“would/could/should/might+动词原形”。
高中英语虚拟语气讲解及练习附答案
高中英语虚拟语气讲解及练习虚拟条件句就是对现实条件的一种虚拟假设，所假设的条件一般不符合事实或与事实相反或在现实中发生的可能性极小。
根据时间的不同，虚拟条件句可分为三种，即与现在事实相反的虚拟条件句、与过去事实相反的虚拟条件句（1）表示与现在事实相反If I had enough money now, I would lend it to you.（2）表示与过去事实相反If he had taken your advice, he wouldn’t have made such a bad mistake.（3）表示与将来事实相反I would go shopping with you if it were to be Sunday tomorrow.1. 虚拟条件句的倒装在虚拟条件句中，为了强调所假设条件的虚拟性，或突出说话人的一种主观愿望，虚拟条件句可用倒装结构。
虚拟条件句的倒装是通过去掉if，把条件从句谓语中的助动词、情态动词或系动词放在句首实现的。
例如：Had I been（= If I had been ） in that situation， I would not have let the thief escape away with so much money.Should there be （= If there should be） a drought， what should we do at that time ？2. 错综时间条件句有时条件从句的动作和主句的动作发生的时间并不一致，这时谓语动词的形式应根据它所要表示的具体时间来确定。
例如：If we hadn’t been working hard in the past few years ，thing s wouldn’t be going so smoothly.3. 含蓄条件句有时假设的情况并不以条件从句的形式表现出来，而是通过某个介词或介词短语（如：with，otherwise，without，but for，in that position）、上下文或其它方式表现出来。
高考英语：虚拟语气全解析(含具体讲解,习题及答案)
例如：
I wish (ed) I could (would, might) go to the moon in a
与将来事实相反 动词过去式， would/ should/ should + 动词原 could/ might + 动 形，were to + 动 词原形 词原形
• 注: 主句中的should只用于I、we，但在美国 英语中，should常被would代替；从句中的 should 可用于各种人称。
例如：
I would rather he stayed at home now. 我宁愿他现在在家里．
he stayed at home tomorrow. 我宁愿他明天在家里.
he had stayed at home yesterday. 我宁愿他昨天在家里 ( 4 ) wish=if only+从句（从句谓语动词有三种形式） ①would (could, might) +动词原形（与过去事实相反） ②动词过去式（与现在事实相反） ③had+过去分词或用could have+ 过去分词（与过去事 实相反）
现将虚拟条件从句和主句的动词形式列表如下与现在事实相反动词的过去式的过去式一般用werewouldshouldcouldmight词原形与过去事实相反had过去分词wouldshouldcouldmight过去分词与将来事实相反动词过去式should动词原形wouldshouldcouldmight主句中的should只用于iwe但在美国英语中should常被would代替
• 如果假设的情况是过去或现在都不存在的，或将来不大 可能发生的，则是虚拟条件句。如: If he had seen you yesterday, he would have asked you about it. 如果他昨天 见到你，他会问你这件事的。(事实上他昨天没见到你， 因此也未能问你这件事。)
高中英语虚拟语气详解及练习(含答案)
高中英语虚拟语气讲解及练习虚拟条件句就是对现实条件的一种虚拟假设，所假设的条件一般不符合事实或与事实相反或在现实中发生的可能性极小。
根据时间的不同，虚拟条件句可分为三种，即与现在事实相反的虚拟条件句、与过去事实相反的虚拟条件句（1）表示与现在事实相反If I had enough money now, I would lend it to you.（2）表示与过去事实相反If he had taken your advice, he wouldn’t have made such a bad mistake.（3）表示与将来事实相反I would go shopping with you if it were to be Sunday tomorrow.1. 虚拟条件句的倒装在虚拟条件句中，为了强调所假设条件的虚拟性，或突出说话人的一种主观愿望，虚拟条件句可用倒装结构。
虚拟条件句的倒装是通过去掉if，把条件从句谓语中的助动词、情态动词或系动词放在句首实现的。
例如：Had I been（= If I had been ） in that situation， I would not have let the thief escape away with so much money.Should there be （= If there should be） a drought， what should we do at that time ？2. 错综时间条件句有时条件从句的动作和主句的动作发生的时间并不一致，这时谓语动词的形式应根据它所要表示的具体时间来确定。
例如：If we hadn’t been working hard in the past few years ，thing s wouldn’t be going so smoothly.3. 含蓄条件句有时假设的情况并不以条件从句的形式表现出来，而是通过某个介词或介词短语（如：with，otherwise，without，but for，in that position）、上下文或其它方式表现出来。
高中英语虚拟语气讲解及练习带答案
高中英语虚拟语气讲解及练习虚拟条件句就是对现实条件的一种虚拟假设，所假设的条件一般不符合事实或与事实相反或在现实中发生的可能性极小。
根据时间的不同，虚拟条件句可分为三种，即与现在事实相反的虚拟条件句、与过去事实相反的虚拟条件句（1）表示与现在事实相反If I had enough money now, I would lend it to you.（2）表示与过去事实相反If he had taken your advice, he wouldn’t have made such a bad mistake.（3）表示与将来事实相反I would go shopping with you if it were to be Sunday tomorrow.1. 虚拟条件句的倒装在虚拟条件句中，为了强调所假设条件的虚拟性，或突出说话人的一种主观愿望，虚拟条件句可用倒装结构。
虚拟条件句的倒装是通过去掉if，把条件从句谓语中的助动词、情态动词或系动词放在句首实现的。
例如：Had I been（= If I had been ） in that situation， I would not have let the thief escape away with so much money.Should there be （= If there should be） a drought， what should we do at that time ？2. 错综时间条件句有时条件从句的动作和主句的动作发生的时间并不一致，这时谓语动词的形式应根据它所要表示的具体时间来确定。
例如：If we hadn’t been working hard in the past few years ，thing s wouldn’t be going so smoothly.3. 含蓄条件句有时假设的情况并不以条件从句的形式表现出来，而是通过某个介词或介词短语（如：with，otherwise，without，but for，in that position）、上下文或其它方式表现出来。
高中虚拟语气的讲解+练习+详解
高中英语虚拟语气讲解及练习虚拟条件句就是对现实条件的一种虚拟假设，所假设的条件一般不符合事实或与事实相反或在现实中发生的可能性极小。
根据时间的不同，虚拟条件句可分为三种，即与现在事实相反的虚拟条件句、与过去事实相反的虚拟条件句（1）表示与现在事实相反If I had enough money now, I would lend it to you.（2）表示与过去事实相反If he had taken your advice, he wouldn’t have made such a bad mistake.（3）表示与将来事实相反I would go shopping with you if it were to be Sunday tomorrow.1. 虚拟条件句的倒装在虚拟条件句中，为了强调所假设条件的虚拟性，或突出说话人的一种主观愿望，虚拟条件句可用倒装结构。
虚拟条件句的倒装是通过去掉if，把条件从句谓语中的助动词、情态动词或系动词放在句首实现的。
例如：Had I been（= If I had been ） in that situation， I would not have let the thief escape away with so much money.Should there be （= If there should be） a drought， what should we do at that time ？2. 错综时间条件句有时条件从句的动作和主句的动作发生的时间并不一致，这时谓语动词的形式应根据它所要表示的具体时间来确定。
例如：If we hadn’t been working hard in the past few years ，thing s wouldn’t be going so smoothly.3. 含蓄条件句有时假设的情况并不以条件从句的形式表现出来，而是通过某个介词或介词短语（如：with，otherwise，without，but for，in that position）、上下文或其它方式表现出来。
高三英语虚拟语气特殊用法练习题40题答案解析版
高三英语虚拟语气特殊用法练习题40题答案解析版1. If I had studied harder in history class, I ______ more about the causes of the Industrial Revolution now.A. knowB. would knowC. knewD. had known答案：B解析：这是一个错综时间条件句。
从句中“had studied”是对过去的虚拟，表示过去没有努力学习。
主句中有“now”，是对现在情况的虚拟，在虚拟语气中，对现在情况虚拟时，主句要用“would + 动词原形”结构。
所以这里应该选B，表示如果过去努力学习了，现在就会对工业革命的起因知道得更多。
2. Had he not been so brave during the war, his family ______ in great danger at that time.A. would beB. will beC. would have beenD. is答案：C解析：这是一个省略了if的虚拟条件句，正常语序是“If he had not been so brave during the war”，是对过去情况的虚拟。
在这种情况下，主句要用“would + have + 过去分词”结构，所以选C，表示如果他在战争中不那么勇敢，他的家人当时就会处于极大的危险之中。
3. If she were to start the project today, she ______ it in a completely different way considering the new technology available.A. will planB. would planC. plannedD. has planned答案：B解析：这是一个对将来情况虚拟的句子，“were to + 动词原形”是对将来虚拟的一种结构。
虚拟语气讲解及练习题(含答案和解释)
高中英语虚拟语气讲解及练习虚拟条件句就是对现实条件的一种虚拟假设，所假设的条件一般不符合事实或与事实相反或在现实中发生的可能性极小。
根据时间的不同，虚拟条件句可分为三种，即与现在事实相反的虚拟条件句、与过去事实相反的虚拟条件句（1）表示与现在事实相反If I had enough money now, I would lend it to you.（2）表示与过去事实相反If he had taken your advice, he wouldn’t have made such a bad mistake.（3）表示与将来事实相反I would go shopping with you if it were to be Sunday tomorrow.1. 虚拟条件句的倒装在虚拟条件句中，为了强调所假设条件的虚拟性，或突出说话人的一种主观愿望，虚拟条件句可用倒装结构。
虚拟条件句的倒装是通过去掉if，把条件从句谓语中的助动词、情态动词或系动词放在句首实现的。
例如：Had I been（= If I had been ） in that situation， I would not have let the thief escape away with so much money.Should there be （= If there should be） a drought， what should we do at that time ？2. 错综时间条件句有时条件从句的动作和主句的动作发生的时间并不一致，这时谓语动词的形式应根据它所要表示的具体时间来确定。
例如：If we hadn’t been working hard in the past few years ，thing s wouldn’t be going so smoothly.3. 含蓄条件句有时假设的情况并不以条件从句的形式表现出来，而是通过某个介词或介词短语（如：with，otherwise，without，but for，in that position）、上下文或其它方式表现出来。
高中英语虚拟语气知识点详解及练习(含答案)
虚拟语气详讲及练习一、定义：虚拟语气表示动作或状态与事实相反，或不可能发生的情况。
1．虚拟语气用于条件状语从句中1）表示与现在事实相反或不可能发生：一般过去时（虚拟语气中be→were）Eg. If he had time, he would (could, might) go with youEg.If I were you, I would work hard.2）表示与过去事实相反或不可能发生Eg.If he had taken my advice，he would have succeeded in passing the examination.Eg.If they had helped us, we would have finished the task. (实际上没帮)3）表示与将来的事实可能相反或不可能发生Eg.If it should rain, the crops would be saved.Eg.If it were to snow tomorrow, they would not go out.4）※注意：虚拟语气的倒装语序：如果if从句里含有should, had, were或其他助动词,则可将从属连词if省去,将助动词.情态动词.be或have放在句首形成部分倒装.Eg.If he had finished the work yesterday, he would have gone to the concert with you.=Had he finished the work yesterday, he would have gone to the concert with you.Eg.If I were you, I would go to the party.=Were I you, I would go to the party.Eg.If it should rain tomorrow, I would stay at home=Should it rain tomorrow, I would stay at home.2. 虚拟语气在宾语从句中的用法➢在动词wish后的宾语从句中，表示与现在或过去的事实相反，或对将来的主观愿望，从句通常省略连词that。
虚拟语气讲解及练习题(含答案和解释)
高中英语虚拟语气讲解及练习虚拟条件句就是对现实条件的一种虚拟假设，所假设的条件一般不符合事实或与事实相反或在现实中发生的可能性极小。
根据时间的不同，虚拟条件句可分为三种，即与现在事实相反的虚拟条件句、与过去事实相反的虚拟条件句（1）表示与现在事实相反If I had enough money now, I would lend it to you.（2）表示与过去事实相反If he had taken your advice, he wouldn’t have made such a bad mistake.（3）表示与将来事实相反I would go shopping with you if it were to be Sunday tomorrow.1. 虚拟条件句的倒装在虚拟条件句中，为了强调所假设条件的虚拟性，或突出说话人的一种主观愿望，虚拟条件句可用倒装结构。
虚拟条件句的倒装是通过去掉if，把条件从句谓语中的助动词、情态动词或系动词放在句首实现的。
例如：Had I been（= If I had been ） in that situation， I would not have let the thief escape away with so much money.Should there be （= If there should be） a drought， what should we do at that time ？2. 错综时间条件句有时条件从句的动作和主句的动作发生的时间并不一致，这时谓语动词的形式应根据它所要表示的具体时间来确定。
例如：If we hadn’t been working hard in the past few years ，thing s wouldn’t be going so smoothly.3. 含蓄条件句有时假设的情况并不以条件从句的形式表现出来，而是通过某个介词或介词短语（如：with，otherwise，without，but for，in that position）、上下文或其它方式表现出来。
高中虚拟语气练习题及讲解
高中虚拟语气练习题及讲解1. 题目：假如你昨天没有忘记带手机，你就不会错过那个重要的电话。
答案：If you hadn't forgotten to bring your phone yesterday, you wouldn't have missed that important call.2. 题目：如果他没有生病，他就会参加我们的聚会。
答案：If he hadn't fallen ill, he would have joined our party.3. 题目：如果我有足够的钱，我就会买下那栋房子。
答案：If I had enough money, I would buy that house.4. 题目：如果她没有迟到，她就不会错过那趟火车。
答案：If she hadn't been late, she wouldn't have missedthe train.5. 题目：如果他们没有取消会议，我们就会讨论这个问题。
答案：If they hadn't canceled the meeting, we would have discussed this issue.6. 题目：假如我们昨天没有下雨，我们就去野餐了。
答案：If it hadn't rained yesterday, we would have gonefor a picnic.7. 题目：如果他没有努力学习，他就不会通过考试。
答案：If he hadn't studied hard, he wouldn't have passedthe exam.8. 题目：如果我没有收到你的邮件，我就不会知道这个消息。
答案：If I hadn't received your email, I wouldn't have known the news.9. 题目：假如我们提前出发，我们就不会迟到。
虚拟语气讲解及练习题(含答案和解释)
高中英语虚拟语气讲解及练习虚拟条件句就是对现实条件的一种虚拟假设，所假设的条件一般不符合事实或与事实相反或在现实中发生的可能性极小。
根据时间的不同，虚拟条件句可分为三种，即与现在事实相反的虚拟条件句、与过去事实相反的虚拟条件句（1）表示与现在事实相反If I had enough money now, I would lend it to you.（2）表示与过去事实相反If he had taken your advice, he wouldn’t have made such a bad mistake.（3）表示与将来事实相反I would go shopping with you if it were to be Sunday tomorrow.1. 虚拟条件句的倒装在虚拟条件句中，为了强调所假设条件的虚拟性，或突出说话人的一种主观愿望，虚拟条件句可用倒装结构。
虚拟条件句的倒装是通过去掉if，把条件从句谓语中的助动词、情态动词或系动词放在句首实现的。
例如：Had I been（= If I had been ） in that situation， I would not have let the thief escape away with so much money.Should there be （= If there should be） a drought， what should we do at that time ？2. 错综时间条件句有时条件从句的动作和主句的动作发生的时间并不一致，这时谓语动词的形式应根据它所要表示的具体时间来确定。
例如：If we hadn’t been working hard in the past few years ，thing s wouldn’t be going so smoothly.3. 含蓄条件句有时假设的情况并不以条件从句的形式表现出来，而是通过某个介词或介词短语（如：with，otherwise，without，but for，in that position）、上下文或其它方式表现出来。
虚拟语气详细讲解及经典习题 附答案
虚拟语气一、考点聚焦1、虚拟语气用于条件状语从句中（1）表示与现在事实相反的假设，条件状语从句中的谓语动词用“过去式（be动词的过去式用were）”，而主句中的谓语动词用“would / should/ could / might + 动词原形”。
如：If I were a boy, I would join the army.If the had time, she should go with you.（2）表示与过去的事实相反，条件状语从句中的谓语动词用过去完成时，主句中的谓语动词则用“would / should / might / could + have +过去分词”。
如：If he had taken my advice, he would have succeeded in the competition.（3）表示与将来事实相反，条件状语从句中的谓语动词一般过去时或should(were to) + 动词原形，而主句中的谓语动词则用would / should/could might + 动词原形。
如；If it were to rain tomorrow, the football match would be put off.（4）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，动词的形式要根据它所表示的时间作相应调整。
如：If they had worked hard, they would be very tired.(从句说的是过去，主句指的是现在)Were I a boy, I would join the army.Had he taken my advice, he would have succeeded.Were it not for the expense, I would go to Britain.2、虚拟语气用于名词性从句（1）虚拟语气在宾语从句中的运用。
（完整版）虚拟语气讲解及练习题（含答案和解释）
（完整版）虚拟语气讲解及练习题（含答案和解释）虚拟语气讲解与练习黄志刚2013.10.一. 简介虚拟语气用来表示说话人的主观愿望或假想，而不表示客观存在的事实，所说的是一个条件，不一定是事实，或与事实相反。
虚拟语气通过谓语动词的特殊形式来表示。
英语中的语气分为陈述语气、祈使语气、虚拟语气在什么情况下用虚拟语气? 在表示虚假的、与事实相反的或难以实现的情况时用虚拟语气，表示主观愿望或表示某种强烈情感时，也用虚拟语气。
即当一个人说话时欲强调其所说的话是基于自己的主观想法，而不是根据客观实际，就用虚拟语气。
二. 虚拟语气在非真实条件状语从句中的用法1、真实条件状语从句与非真实条件状语从句真：eg . If he doesn’t hurry up, he will miss the bus. 如果他不快点，他将错过巴士。
( 真实条件状语)（不是虚拟语气）If he is free, he will ask me to tell stories. 如果他是空闲的，他会要求我讲故事。
（真实条件状语）（不是虚拟语气）非真：eg. If I were you, I would go at once.如果我是你，我马上就会去。
（非真实条件状语从句）If there were no air, people would die. 如果没有空气，人就会死亡。
（非真实条件状语从句）2、用法及动词形式1、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 orwater, 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。
高中英语语法虚拟语气详解及练习
虚拟语气一、知识框架二、知识梳理（一）语气的定义和种类l、语气：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：(1)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。
如：We are not ready. 我们没准备好。
What a fine day it is!多好的天气啊!(2)祈使语气: 表示说话人的建议、请求、邀请、命令等。
如: Open the door, please。
请打开门。
(3)虚拟语气: 表示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。
如: If I were you, I should study English. 如果我是你，我就学英语了。
May you succeed! 祝您成功！（二）虚拟语气在条件从句中的用法条件句有两类，一类是真实条件句，一类是虚拟条件句。
如果假设的情况是有可能发生的，就是真实条件何。
在这种真实条件句中的谓语用陈述语气。
如果假设的情况是过去或现在都不存在的，或将来不大可能发生的，则是虚拟条件句。
If it doesn't rain tomorrow, we will go to the park.If he had seen you yesterday, he would have asked you about it. (事实上他昨天没见到你，因此也未能问你这件在含有虚拟条件句的复合句中，主句和从句的谓语都要用虚拟语气。
同步练习：1. If she had worked harder, she __________.A. would succeedB. had succeededC. should succeedD. would have succeeded2. If my lawyer ________ here last Saturday, he _________me from going.A. had been; would have preventedB. had been; would preventC. were; wouldD. were; would have prevented3. If he were here, he __________ us how to do it.A. toldB. would tellC. had toldD. have told4. If it_________rain next week,the farmers could still have a good harvest.A.shouldB.couldC.wouldD.mightKeys: DABA（三）虚拟条件句的特殊情况(1) 省略if的虚拟语气如果从句中含有were/ should/ had时，则可以把这三个词置于句首，省略if，采用倒装语序。
虚拟语气讲解和练习(附答案)
高中英语虚拟语气讲解及练习虚拟条件句就是对现实条件的一种虚拟假设，所假设的条件一般不符合事实或与事实相反或在现实中发生的可能性极小。
根据时间的不同，虚拟条件句可分为三种，即与现在事实相反的虚拟条件句、与过去事实相反的虚拟条件句（1）表示与现在事实相反If I had enough money now, I would lend it to you.（2）表示与过去事实相反If he had taken your advice, he wouldn’t have made such a bad mistake.（3）表示与将来事实相反I would go shopping with you if it were to be Sunday tomorrow.1. 虚拟条件句的倒装在虚拟条件句中，为了强调所假设条件的虚拟性，或突出说话人的一种主观愿望，虚拟条件句可用倒装结构。
虚拟条件句的倒装是通过去掉if，把条件从句谓语中的助动词、情态动词或系动词放在句首实现的。
例如：Had I been（= If I had been ） in that situation， I would not have let the thief escape away with so much money.Should there be （= If there should be） a drought， what should we do at that time ？2. 错综时间条件句有时条件从句的动作和主句的动作发生的时间并不一致，这时谓语动词的形式应根据它所要表示的具体时间来确定。
例如：If we hadn’t been working hard in the past few years ，thing s wouldn’t be going so smoothly.3. 含蓄条件句有时假设的情况并不以条件从句的形式表现出来，而是通过某个介词或介词短语（如：with，otherwise，without，but for，in that position）、上下文或其它方式表现出来。
高中虚拟语气的讲解+练习+详解
高中英语虚拟语气讲解及练习虚拟条件句就是对现实条件的一种虚拟假设，所假设的条件一般不符合事实或与事实相反或在现实中发生的可能性极小。
根据时间的不同，虚拟条件句可分为三种，即与现在事实相反的虚拟条件句、与过去事实相反的虚拟条件句（1）表示与现在事实相反If I had enough money now, I would lend it to you.（2）表示与过去事实相反If he had taken your advice, he wouldn’t have made such a bad mistake.（3）表示与将来事实相反I would go shopping with you if it were to be Sunday tomorrow.1. 虚拟条件句的倒装在虚拟条件句中，为了强调所假设条件的虚拟性，或突出说话人的一种主观愿望，虚拟条件句可用倒装结构。
虚拟条件句的倒装是通过去掉if，把条件从句谓语中的助动词、情态动词或系动词放在句首实现的。
例如：Had I been（= If I had been ） in that situation， I would not have let the thief escape away with so much money.Should there be （= If there should be） a drought， what should we do at that time ？2. 错综时间条件句有时条件从句的动作和主句的动作发生的时间并不一致，这时谓语动词的形式应根据它所要表示的具体时间来确定。
例如：If we hadn’t been working hard in the past few years ，thing s wouldn’t be going so smoothly.3. 含蓄条件句有时假设的情况并不以条件从句的形式表现出来，而是通过某个介词或介词短语（如：with，otherwise，without，but for，in that position）、上下文或其它方式表现出来。
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虚拟语气：虚拟证据表示说的话不是事实，或者不可能发生的情况，而是一种愿望、建议或者与事实相反的假设等，一般常用于正式的书面语中。
一、虚拟语气在if条件从句中的用法：1、a. If I were you, I would apply for the job.b. If I lived near my office, I would walk to the office.与现在事实相反，If条件从句谓语：过去式（be用were）主句谓语：should / would / could / might+动词原形2、a. If you had been more careful, You could have passed the exam.b. If you had turned off the gas, the house wouldn’t have caught fire.与过去事实相反，If条件从句谓语：had+动词过去分词主句谓语：should / would / could / might + have done3、a. If it should rain tomorrow, we would not go camping.b. if it were to rain tomorrow, we would not go camping.c. If it rained tomorrow, we would not go camping.与将来事实相反：If条件从句谓语：过去式/ should + v原形/ were + to do主句谓语：should / would / could / might + do二、混合虚拟条件句：不同时间的虚拟，各遵守各的规则，如：a. If you had followed the doctor’s advice, you would be quite all right now.从句叙述与过去事实相反（had + done），主句叙述与现在事实相反（would + v）b. If I were you, I would have taken his advice.从句叙述与现在事实相反（过去式），主句叙述与过去事实相反（would have done）三、虚拟语气在宾语从句中的适用：a. They demanded that the black people (should) be treated as well as white people.b. He suggested that we (should) start off at once.（建议）His smile suggested that he was satisfied with our work.（暗示，表明）c. I insisted that you (should) give me my money back.（坚决（持），要求）Mike insisted that he had never stolen anything.（坚持说/坚持认为）这类动词有：一坚持（insist），二命令（order, command），三建议（advise, suggest, recommend, propose），四要求（require, request, demand, desire）d. I wish I were a bird.I do wish you would come earlier next time.I wish I had done better in my work.四、虚拟语气在主语从句中的适用：1. It was / is important / vital / necessary / appropriate / proper / right that……eg: It is important that we (should) think before we decide.2. It is important that we (should) think before we decide.据建议/要求/命令……eg: It is suggested that parents (should) spend more time with their children alone.五、虚拟语气在表语从句中的适用（与表示决定、主张、要求、建议、命令的名词。
如：suggestion,proposal, advice, order, demand, requirement等）构成的表语从句常用should + do结构eg：Our suggestion is that the meeting (should) be put off.六、虚拟语气在同位语从句中的适用（与表示决定、主张、要求、建议、命令的名词。
如：suggestion, proposal, advice, order, demand, requirement等）构成的同位语从句中常用should + do结构eg: Doctors give us some advice that we (should) pay more attention to our health.七、含蓄条件句的虚拟语气：由but for（要不是），Without（要是没有），otherwise（要不然）,but等引导如：but for the storm, I would have arrived much earlier.Without your help, I wouldn’t have passed the driving test.I was too busy at that time. Otherwise I would have called you.I would have come to see you, but I was too busy.注意：句子或主句中的谓语动词的形式视具体情况而定。
这是考查考生应变能力的最佳试题。
八、虚拟语气的其他用法1、It’s (high) time that 从句: (从句用过去式或者should + 动词原形eg：It’s high time that you went to school.2、If only（要是……就好了……）用一般过去式表示与现在或将来事实相反，用过去完成的表示与过去事实相反。
eg：If only I were a film star.If only I had known his phone unmber.3、as if引导的方式状语从句中的虚拟语气：eg: He treats me as if I were his own son.She speaks English so fluently as if she had learned English in America for years.He learns English so hard as if he would go abroad.4、would rather + that从句中的虚拟语气eg: I would rather that you paid me now.I would rather that you hadn’t done it before.5、虚拟语气也常用于“if it were / had been not for……”句型中，意为“要不是……”eg: If it were not for peace, we could not be living a happy life today.If it had not been for your advice, I would not have accepted the job.6、省略if的虚拟语气：从句中有were, had, should等词语，省略if，将were, had, should提到句首，如：a. If it should rain tomorrow, we would not go camping.→Should it rain tomorrow, we would not go camping.b. If it were to rain tomorrow, we would not go camping.→Were it to rain tomorrow, we would not go camping.c. If I had had the money last year, I would have bought the house.→Had I had the money last year, I would have bought the house.（）1. If we adequate preparations, the conference wouldn’t have been so successful.A. haven’t madeB. wouldn’t makeC. didn’t makeD. hadn’t made（）2. Jack is a great talker. It’s high time that he something instead of just taking.A. will doB. has doneC. doD. did（）3. Don’t handle the vase as if it made of steel.A. isB. wereC. has beenD. had been（）4. Sorry, I am too busy now. If I time, I would certainly go for an outing with you.A. have hadB. had hadC. haveD. had（）5. We lost our way in that small village, otherwise we more places of interest yesterday.A. visitedB. had visitedC. would visitD. would have visited（）6. Grace doesn’t want to move to New York because she thinks if she there, she wouldn’t be able to see her parents very often.A. livesB. would liveC. has livedD. were to live（）7. We the difficulty together, but why didn’t you tell me?A. should faceB. might faceC. could have facedD. must have faced （）8. If my car more reliable, I would have driven to Lhasa instead of flying last summer.A. wasB. had beenC. should beD. would be（）9. Had they known what was coming next, they second thoughts.A. may haveB. could haveC. must have hadD. might have had （）10. ―Where are the children? The dinner’s going to be completely ruined.―I wish they always late.A. weren’tB. hadn’t beenC. wouldn’t beD. wouldn’t have been（）11. I through that bitter period without your generous help.A. couldn’t have goneB. didn’t goC. wouldn’t goD. hadn’t gone（）12. Maybe if I science, and not literature then, I would be able to give you more help.A. studiedB. would studyC. had studiedD. was studying（）13. Teachers recommend parents their children under 12 to ride bicycles to school for safety.A. not allowB. do not allowC. mustn’t allowD. couldn’t allow （）14. If he my advice, he wouldn’t have lost his job.A. followedB. should followC. had followedD. would follow （）15. ―John went to the hospital alone.―If he me about it, I would have gone with him.A. should tellB. tellsC. toldD. had told（）16. ―The weather has been very hot and dry.―Yes. If it had rained even a drop, things would be much better now! And myvegetables .A. wouldn’t dieB. didn’t dieC. hadn’t diedD. wouldn’t have died（）17. Had I known about this computer program, a huge amount of time and energy .A. would have been savedB. had been savedC. will be savedD. was saved（）18. I have watched that movie it’ll give me horrible dreams.A. shouldn’tB. needn’tC. couldn’tD. mustn’t（）19. George is going to talk about the geography of his country, but I’d rather he more on its culture.A. focusB. focusedC. would focusD. had focused（）20. This printer is of good quality. If it break down within the first year, we would repair it at our expense.A. wouldB. shouldC. couldD. might。