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（完整版）英语虚拟语气语法归纳总结英语中的虚拟语气是一种表示非事实或想象的语气，用来表达对现实情况的猜测、愿望、要求、建议、命令和反讽等。
虚拟语气主要通过动词的形式和句子的结构来表达。
一、虚拟语气的用法：1.表达建议、要求、命令、禁止：- 主语+动词原形+宾语（动词原形要用动词底形、如be）；- 主语+动词原形+that从句（用于表达建议、命令、禁止，动词原形用“should + 动词原形”或用情态动词）。
例句：- It is important that he be present at the meeting.（建议）- I suggest that he should go to the doctor.（建议）- They insisted that he leave the room immediately.（命令）2.表达愿望、请求、要求：-主语+动词过去式；- 主语+would/could/might + 动词原形；- 主语+动词过去式+宾语+should + 动词原形。
例句：- I wish I could fly.（愿望）- I would appreciate it if you could help me.（请求）3.表示虚拟条件：- If条件从句中的谓语动词用过去完成时，主句用would/should/might/could + have + 过去分词；- If条件从句中的谓语动词用过去时，主句用would/should/could + 动词原形。
例句：- If I had known his phone number, I would have called him.（虚拟条件）- If you had listened to me, we could have finished the project earlier.（虚拟条件）4.表达建议、要求、祝愿：- If only内部称述 + 主语 + 过去式。
英语语法虚拟语气的知识点归纳一、虚拟条件句(一)含有if条件句的主从句的虚拟语气总结：1. If 条件句中谓语动词的虚拟结构是在原来陈述语气所用时态的基础上倒退一个时态（对将来虚拟的were to do/should do例外）2. 主句要借助于情态动词的过去式，后跟动词原形（现在或将来）或have done(过去)；if条件句中只出现一个情态动词，即对将来虚拟的should.3.做此类题目时一定要分清是从句还是主句谓语动词的虚拟，还要把握好时态。
注意：1. 在虚拟条件从句中，动词“be”的过去时态一律用”were”，不用was。
2. 在虚拟条件状语中如果有were, should, had这三个词中任何一个，可省略if，把这三个词提到主语之前, 变成：were/should/had +主语+剩余成分。
3.在虚拟条件状语从句中，省略连词的倒装形式的句首不能用动词的缩略形式。
如我们可说Were I not to do., 而不能说Weren‘t I to do。
4.在表示与将来事实相反的条件句中，只能用should，而不能用would，could和might 等。
5.主句中的should通常用于第一人称，would，could以及might 可以用于各种人称eg :①If I were a bird, I could fly in the air.如果我是一只小鸟，我就能在空中飞行。
②I wish I could pass the examination.我希望我能通过考试。
在虚拟条件句中，对于与将来事实相反的情形，请注意以下几点：（1）条件从句表示的内容与将来事实相反，实为对将来情况的推测，用过去时表示虚拟；（2）条件从句谓语除用过去式外，有时也用“should+动词原形(表示可能性极小，常译为“万一”)”或“were to+动词原形(表示与将来事实相反的假设)”；（3）条件从句使用“should+动词原形”这样的谓语形式时，主句谓语除可用“should (would, could, might)+动词原形”这样的虚拟语气形式外，也可用直陈语气或祈使语气。
高中英语虚拟语气的用法归纳以下是高中英语虚拟语气的用法归纳：虚拟语气是一种特殊的动词形式，表示假设、愿望、建议、命令、猜测等非真实的情况。
一、基本用法1. 与现在事实相反条件从句：If + 主语 + 动词过去式（be 动词用 were）主句：主语 + would/should/could/might + 动词原形例句：If I were you, I would study harder. （如果我是你，我会更努力学习。
）Wouldn't life be boring if we had everything we wanted? （如果我们想要什么就有什么，生活岂不是很无聊？）2. 与过去事实相反条件从句：If + 主语 + had + 过去分词主句：主语 + would/should/could/might + have + 过去分词例句：If I had known your phone number, I would have called you. （如果我知道你的电话号码，我就给你打电话了。
）Couldn't you have done better if you had tried harder? （如果你再努力些，难道不能做得更好吗？）3. 与将来事实相反条件从句：① If + 主语 + 动词过去式② If + 主语 + were to + 动词原形③ If + 主语 + should + 动词原形主句：主语 + would/should/could/might + 动词原形例句：If it rained tomorrow, we would stay at home. （如果明天下雨，我们就待在家里。
）If she were to come here tomorrow, I would be very happy. （如果她明天来这儿，我会非常高兴。
）If he should fail in the exam, how disappointed his parents would be!（要是他考试不及格，他父母该多失望啊！）二、固定搭配1. wish 后的宾语从句与现在事实相反：从句用一般过去时与过去事实相反：从句用过去完成时与将来事实相反：从句用 would/could + 动词原形例句：I wish I were as tall as you. （我希望我和你一样高。
虚拟语气的用法归纳虚拟语气是英语中一种特殊的句式，它用来表达与事实相反或与实际情况有差别的意思。
它可以帮助我们表达不同形式的否定、虚拟假设、条件、建议、建议等。
本文将对虚拟语气的用法进行归纳，以便更好地理解它。
一、虚拟语气的基本概念虚拟语气是一种特殊的句式，它表示“如果”的意思，即“假如”，“要是”，“如果”，“就好了”，“就像”，“就算”等。
它可以表达不同形式的否定、虚拟假设、条件、建议、建议等。
二、虚拟语气的使用1. 否定形式：如果不，要是不，就算不，就好了不，就像不。
例句：If he didn't come, I wouldn't be here now.2. 条件形式：如果，要是，就算，就好了，就像。
例句：If it rains tomorrow, we'll have to cancel the picnic.3. 虚拟假设形式：如果，要是，就算，就好了，就像。
例句：If I had a million dollars, I'd travel around the world.4. 建议形式：如果，要是，就算，就好了，就像。
例句：If I were you, I would take this opportunity.三、虚拟语气的动词形式1. 一般时态：Should/would/could/might（动词原形）例句：I should go to bed early if I want to wake up early.2. 过去时态：should/would/could/might + have + 动词过去分词例句：I should have gone to bed earlier if I wanted to wake up early.3. 将来时态：should/would/could/might + be going to + 动词原形例句：I should be going to bed early if I want to wake up early.四、虚拟语气的重要点1. 虚拟语气使用在if引导的句子中，即虚拟条件句。
完整版)虚拟语气语法归纳.虚拟语气语法归纳虚拟语气的使用主要体现在三个方面：虚拟条件句、虚拟语气在某些从句中的运用，以及虚拟语气的一些特殊用法。
虚拟条件句虚拟条件句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：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，以及与将来事实相反的虚拟条件句。
具体情况请看下表：例句：1.表示与现在事实相反If I had enough money now。
I would lend it to you.If I were you。
I would tell him my true feelings.If I were a boy。
I would join the army.If she had time。
she would go with you.2.表示与过去事实相反If he had XXX your advice。
XXX't have made such a bad mistake.She would have come to enjoy the party if she hadn't been very busy.If he had XXX my advice。
he would have XXX.3.表示与将来事实相反I would go shopping with you if it were Sunday tomorrow.If he were given another chance to do it again。
he could XXX.If it were to rain tomorrow。
the football match would be postponed.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。
虚拟语气用法总结(完整)if+主语+had+过去分词+其他+主语+should/would/could/might+have+过去分词+其他例：1.XXX,XXX如果我知道你要来，我就会准备些食物的。
（事实：我不知道）2.XXX,XXX.如果我当时研究更努力些，我就能通过考试了。
（事实：我没有用功研究）3、表示与将来事实相反的情况：if+主语+were/should+动词原形+其他+主语+would/could/might+动词原形+其他例：1.IfIwereyou,XXX.如果我是你，我不会那样做。
（将来：我不可能成为你）2.XXX,XXX.如果下雨了，带上这把伞。
（将来：不一定会下雨）1.If I had arrived earlier。
I would have been able to meet her。
(Fact: I arrived late)2.If he had XXX my advice。
he would not have made such a mistake。
(Fact: He didn't listen to me)3.If he were to come here tomorrow。
I would talk to him。
(Fact: It's XXX he will come)In expressing ns。
orders。
requests。
etc。
the subjunctive mood is often used in the object clause。
with the verb in the form of "should + infinitive," which can be omitted.Other uses of XXX:1.The subjunctive mood is used in the object clause after "wish" to express a XXX fact。
虚拟语气（Subjunctive Mood）1.if（条件状语从句）2.wish（宾语从句）/if only(要是……就好了）3.would rather+ 从句（表示宁愿某人在现在或将来要做某事或过去做过某事）4.as if/as though,even if/though + 从句--------------------------------------------------------------------- 5.在表示“坚持、要求、命令、建议”之类的动词后的宾语从句中，用“（should）+动词原形”。
6.虚拟语气用于主语从句7.虚拟语气用于表语从句、同位语从句 [用（should)+动词原形]8.虚拟语气用于定语从句这种从句常用在It is (high) time (that)...句型中，定语从句的谓语动词用过去式或should + 动词原形（should不能省略，be用were来表示），意【好题珍藏】1.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. （Pano M6 P16:15) A.lives B.would live C.has lived D.were to live【解析】主句说明了客观事实，if从句是对将来事实的假设。
见“1.if（条件状语从句）——与将来事实相反”。
【答案】D2.If Mr.Dewey present,he would have offered any possible assistance to the people there. （Pano M6 P16:16) A.were B.had been C.should be D.was【解析】见“1.if（条件状语从句）——与过去事实相反”。
虚拟语气的总结总览虚拟语气是一种语法现象，用于表达非现实的情况、假设的情况或者推测的情况。
在中文中，虚拟语气主要通过动词的词形变化来表示，而在英语中，虚拟语气除了动词词形变化外，还可以通过其他语法结构来表示。
在英语中，虚拟语气主要有三种形式：虚拟条件句、虚拟愿望句和虚拟建议句。
1. 虚拟条件句：用于表示假设的情况或者与事实相反的情况。
虚拟条件句有三种形式：与过去事实相反的假设、与现在事实相反的假设和与将来事实相反的假设。
- 与过去事实相反的假设：形式为"if + 过去完成时，would/could/might + 动词原形"。
例如："If I had studied harder, I would have passed the exam."（如果我研究更努力，我就能通过考试。
）- 与现在事实相反的假设：形式为"if + 过去时，would/could/might + 动词原形"。
例如："If I were you, I would go on the trip."（如果我是你，我会去旅行。
）- 与将来事实相反的假设：形式为"if + 过去完成时，would/could/might + have + 过去分词"。
例如："If it hadn't rained, we would have gone to the beach."（如果没有下雨，我们就去海滩了。
）2. 虚拟愿望句：用于表示对现在或将来的非现实愿望或希望。
虚拟愿望句有两种形式：对现在的愿望和对将来的愿望。
- 对现在的愿望：形式为"虚拟语气的过去时/现在时 +would/could/might + 动词原形"。
例如："I wish I were taller."（我希望自己更高。
虚拟语气:表示说的话不是事实，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，不可能发生或者说可能性很小的情况，不可能发生或者说可能性很小的情况，表达一种愿望、表达一种愿望、表达一种愿望、建建议、假设。
议、假设。
一、条件状语从句中的用法一、条件状语从句中的用法从句 谓语形式谓语形式主句 谓语形式谓语形式现在现在were/ didwould/could/should (+not) + do 过去过去 had donewould/could/should/might (not)+ have done将来将来1. were/did2. should do3. were to dowould/could/should/might (not) + do简单记法：简单记法：if were/did, would doif had done, would have done if were to do/should do, would do举例：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：附注：虚拟语气，条件状从倒装虚拟语气，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 upIf you had taken the advice, you would have…. →Had you taken the advice, you would have… If the world should 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构成的条件状语从句中，也有含蓄的虚拟语气 But for the populariza on of electricity, we would lead a whole different life today. (populariza on 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）（表示可能性小）但其实，高中英语考试也常考：但其实，高中英语考试也常考：错综虚拟语气条件句错综虚拟语气条件句 即：即：假设条件状从发生的时间与所假设的谓语动词不一致，此时，主句和从句要根据各自的时间而定。
