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虚拟语气知识点总结经典

虚拟语气知识点总结和练习

虚拟语气语法总结虚拟语气主要指的的是带有非真实条件状语从句的复合句，表达的是说话人的遗憾后悔的语气，愿望以及建议，命令，要求等等的情感，往往说的是与事实相反或者没办法实现改变的东西。虚拟语气主要表现为在对过去现在或者将来的情况做出假设后，有可能出现的情况。虚拟语气的内容主要有三大模块 1.虚拟条件句第一模块就是涉及到条件从句部分的内容。这一部分的虚拟语气主要体现在三个方面：基本用法，各自为政，以及含蓄之美。下表就是条件从句虚拟语气的基本用法：通常，在上面表格里反映的是非真实条件句的虚拟语气模式，从句和主句的谓语动词时间是一致的，如果两者时间不一致，此时就是混合型虚拟语气。混合型虚拟语气的使用要求“各自为政”，即从句和主句根据各自假设的时间不同，采用上面表格中对应的的谓语动词形式。如何“各自为政”呢？这就像是数学里的排列组合，一边有三种情况，交叉一搭配就出现了好多种情况。不管怎样，我们要遵循一个原则，就是“各自为政”。例如，从句是对过去情况的假设，而主句则是对现在情况的假设，那我们在使用时，从句就用过去完成式，而主句要用would/could do的形式。当然，也不是所有的AB配就是合理的，有时候在具体语境下，会出现矛盾的情况，这时我们就要结合要表达的意思来判断他们是对什么情况的假设，选择合适的形式。一般而言，主句的假设时间会发生在从句的假设时间之后。因为是有这么一个条件才会出现主句的现状。因此在此类的完成句子练习中，我们要特别提醒注意时间状语的暗示 1. If I had seen you, I would not be so worried now. (从句是对过去的假设，主句是对现在的假设)

英语总复习虚拟语气知识点(大全)

英语总复习虚拟语气知识点(大全) 一、初中英语虚拟语气 1． ---Tom is always making so many mistakes in his English exercises! --- Yeah. If he ________ more careful, he ________ fewer mistakes. A．was; will make B．is; would make C．were; will make D．were; would make 【答案】D 【解析】试题分析：句意：汤姆总是在英语练习中犯那么多的错误！—如果他能更细心一些，他就会犯更少的错误。表示与现在事实相反的假设，If+主语+动词过去式（be动词用were），主语+would/should/might/could+动词原形。根据题意及句型，故选D。考点：考查虚拟语气的用法。 2．I suggest that we Chinese people_______Chinese culture with love and joy everywhere we go. A．spread B．spreading C．to spread D．will spread 【答案】A 【解析】【详解】句意：我建议我们中国人无论走到哪里都要带着爱心和欢乐来传播中国文化，考查动词suggest后跟虚拟语气。spread是动词原形；spreading是动名词；to spread是动词不定式；will spread是一般将来时。动词在这里suggest表示建议，后面宾语从句中使用虚拟语气should+动词原形，should可以省略。根据句意说明本句的suggest表示建议，故后面使用虚拟语气，省略了should，故选A。【点睛】动词suggest 后面可以跟名词作宾语，用于句型“suggest sth.”。如：I suggested a visit. 我提议参观。 suggest 后跟动名词作宾语，如：He suggested going home. 他提议回家。 suggest后面跟that引导的宾语从句时，用虚拟语气，一般省略情态动词should，所以本题选项是A。 3．You _______ through that red light, for you _______ an accident. A．must have driven; should have caused B．could have driven; might have caused C．couldn’t have driven; should have caused D．shouldn’t have driven; could have caused 【答案】D 【解析】【详解】句意：你不应该开车闯红灯，因为你会引起事故的。考查情态动词。分析句子及选项“You ___ through that red light, for you____ an accident.”，你开车闯红灯，因为你事故的，可知是对过去的虚拟，应用情态动词+have done。此处

高中英语虚拟语气知识点及练习

高中英语虚拟语气知识点及练习内部编号：（YUUT-TBBY-MMUT-URRUY-UOOY-DBUYI-0128）

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 done 3、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）

可用虚拟语气的用法总结

虚拟语气的用法总结语气：语气是动词的一中形式，它表示说话人对某一行为或事情的看法和态度。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. 一．虚拟语气在条件从句的用法条件句有两类，一类是真实条件句；一类是非真实条件句，也就是虚拟条件句。如果假设的情况是有可能发生的，就是真实条件句，谓语要用陈述语气。如If it doesn’t rain tomorrow, we will go to the park. 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. 在含有虚拟条件句的复合句中，主句 If her mother had taken the doctor’s advice, she would/might have got well earlier. If it were to rain tomorrow, the match would be canceled. 有时候省略if，采用局部倒装语序。把had /should/were 等动词（不包括行为动词）移到从句的句首。例如： Were it to rain tomorrow, our picnic would be canceled. Had it not been for the storm, we would have arrived in time. Should the earth stop running, what would happen? 二. 错综时间条件句有时条件从句的动作和主句动作发生的时间不一致，这时需要根据意思采用表示不同时间的动词形式来进行调整。 If she had taken the doctor’s advice, she might still be alive. If I were you, I would have accepted their terms. 三．含蓄条件句

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】虚拟语气知识点总结和题型总结

【英语】虚拟语气知识点总结和题型总结一、初中英语虚拟语气 1． If I _______ you , I _______ do that . A．was , would B．were ; wouldn’t C．am , won’t D．were , won’t 【答案】D 【解析】试题分析：句意：如果我是你，我不会那样做。本句是与现在事实相反的虚拟条件句，从句谓语用动词用过去式（be动词一般用were）；主句用should （would,could,might）+ 动词原形。故选D。考点：虚拟条件句。 2．If I _______ you, I would say another student could do it better. A．was B．were C．were D．are 【答案】B 【解析】【详解】句意：如果我是你，我会说另一个学生可以把它做得更好。考查虚拟语气。根据句意可知“现在事实”相反，此句是虚拟语气，be动词使用were；故选A。 3． If I ______ you, I _____the job. A．was; will take B．was; would take C．were; would take D．were; will take 【答案】 C 【解析】试题分析：句意：如果我是你，我就要这份工作。If引导的句子是愿望时，用过去式表示，而且系动词用were,主句用would加原形。故选C。考点: 考查虚拟语气的用法。 4．If I ______ you, I ______invite him to go to see a movie. A．am;would B．were;will C．were;would D．was;will 【答案】C 【解析】试题分析：句意：如果我是你，我会邀请他去看电影。go to see a movie去看电影；invite sb to do邀请某人做某事；在表达与现在事实相反的虚拟语气中，Be用were,主句用would。考点：考查虚拟语气。 5．— What would you do if you _______ a million dollars? — I would give it to charity.

牛津高中英语虚拟语气的全部考点和记忆技巧

虚拟语气的基本容【开头引入】 If 如果(如果有两种可能,有可能发生的，不可能发生的。) ①有可能发生If it rains tomorrow, I will not go to the park. ②不可能发生虚拟语气，例如，如果我是明，。。。虚拟语气表示说话人的愿望，假设，猜测或建议，而不表示客观存在的事实。所以，凡表示与事实不符的假设，想象，愿望时，需用虚拟语气表达。一、If 引导的虚拟（一）If 引导的虚拟语气,可用下表表示。例如： ①与现在事实相反：If I had wings, I would fly over the sea. ②If she were rich, she would buy a bigger house. If there were no gravity, we would not be able to walk on the earth. ②与过去事实相反： If You had gone to the party, You would have seen YaoMing. If you had taken my advice, you would not have failed in the exam. ③与将来事实相反： If he were to tomorrow, We would have the meeting. If he should come tomorrow, We could go to the park together. If there were a heavy snow next Monday, we would not go skating. （二）if虚拟语气条件句的省略倒装。如果虚拟条件从句中有were, had, should,可把if 省略，把were, had, should 提到主语前面，成为倒装结构。 ①If I were you, I would accept the challenges. ----Were I you, I would accept the challenges ②If you had informed me earlier, I wouldn’t have signed the contract. ----Had you informed me earlier, I wouldn’t have signed the contract. ③If she should be my daughter, I wouldn’t allow her to study abroad. ----Should she be my daughter, I wouldn’t allow her to study abroad.

关于虚拟语气的知识点整理

关于虚拟语气的知识点整理虚拟语气的重点是： 1．一些常见的虚拟语气的句型或结构。 2．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。 3．主从句表示不同的时间概念、事实或假设情况，从而交错成为复合虚拟语气。 4．含蓄条件句中的虚拟语气的表示愿望的虚拟形式。上述四个要点往往在完形填空或者阅读理解里面存在，尤其是每年完形填空都至少有一道直接考这方面的知识的题目，而在阅读理解里，我们掌握上述四个重点对于我们理解文章的大意和作者态度很有帮助，了解哪些观点是作者假设的、虚拟的，哪些是真实的，这样对于我们回答关于作者态度观点题很有帮助。下面我们将主要从上述四个方面来重点论述在考试中应该注意的问题。一、虚拟语气的常见类型和句型（1）由wish引起的表示愿望的虚拟语气 A．用wish表示对现在的愿望时，它所引起的宾语从句中谓语动词形式为：过去式（be动词用were）。 B．用wish表示对将来的愿望时，它所引起的宾语从句中谓语动词形式为：would, could, might+ 动词原形。 C．wish用于对过去的事实表示一种不可能实现的愿望时，宾语从句中的谓语动词形式为：had+动词过去分词或could, would + have +动词过去分词。 The picture exhibition bored me to death; I wish I had not gone to it. ---“I let Joe borrow our radio for the afternoon.” ---“That’s all right, but I wish he would buy one of his own.” I wish that he weren’t so lazy. (2)had hoped引起的宾语从句中备用语动词形式为would+动词原形，表示一种过去未实现的愿望或令人失望的事。 His father had hoped that his son would go to business with him, but his son became an artist later. (3)would (had) rather, would as soon, would sooner和would prefer所引起的从句中要求用过去式表示当时或将来的情况，用过去完成时表示过去的情况，表示希望或婉转的责备。例如： I’d rather you posted the letter right away. 我倒希望你把这封信立刻寄出去。 I would prefer he didn’t stay there too long.我倒希望他不要在那儿可得太久。 I would just as soon you had returned the book yesterday.我真希望你昨天把这本书还了。（4）I t’s (high, about) time that 句型中that从句中要求用虚拟语气形式，即动词要用过去式。 It’s time that something was done about the traffic problem downtown. It is high time that we put an end to this discussion.现在是我们该结束讲座的时候了。（5）as, 或者whether…or…谓语多用be的原形，引导让步虚拟从句，这种用法通常采用倒装结构：Church as we use the word refers to all religious institutions, be they Christian, Islamivc, Buddhist, Jewish, and so on. The business of each day, be it selling goods or shipping them, went quite smoothly. （6）由连接词in case, so that ,unless, lest ,for fear that引起的状语从句中，谓语动词要用虚拟形式，即should(might, would)+动词原形，例如： She put a blanket over the baby for fear that he should catch cold. 她在那个婴儿身上盖上了毯子以免他着凉。 The bad man was put in the soft-padded cell lest he injure himself. (7) if it were not for…与现在事实相反，if it had not been for与过去事实相反，两个都相当于but for： If it had not been for his help(=but for his help),we would not have succeeded.

虚拟语气考点练习(二)

虚拟语气考点练习（二） 16.I wish our teacher ______ to give another test. I haven’t got prepared yet. a. isn’t going b. weren’t going c. will not going d. could have gone 17.I wish I ______ to the movies with you last night. a. went b. did go c. could go d. could have gone 18.I’d just as soon ______ rudely to her. a. that you won’t speak b. your not speaking c. you not speak d. you didn’t speak 19.If I ______ in the twenty-first century, I ______ my vacation in a very different way. a. should live…would spend b. will live ….should spend c. are living … should have spent d. will be living…would have spent 20.It is required that the machine ______ as frequently as necessary. a. be oiled b. must be oiled c. is oiled d. will oil 21.His English teacher recommends that he ______ a regular degree program. a. begins b. begin c. will begin d. is beginning 22.We prefer that the plan ______ before being put into execution. a.is fully discussed b. must be fully discussed

虚拟语气用法总结讲课稿

虚拟语气用法总结

虚拟语气用法总结朱世梅新时代大学英语中针对虚拟语气的练习题较多,而学生们往往把握不好虚拟语气的正确使用,现将其用法总结如下: 一.虚拟语气在英语里主要用来表达： a. 非真实的情景，不可能发生的事，即某种与事实相反或难以实现的情况，或说话人主观愿望。 b. 与客观事实相反地情景，即强制性虚拟语气，表示建议、命令、劝告这一类的意思上，表示强烈的要求做到、必须做到这样的含义。 c. 虚拟语气的表达形式是通过动词的变化形式表达的，其特点是主从句时态的不一致，而且一般有明显得标志。二.虚拟语气的考点为： 1.If 句型 (共有三种句型) 非真实条件句: a.与现在的事实相反：从句用一般过去时，主句的谓语用would (could, might) ＋动词原形 If I were Bill Gates, I would not work so hard every day. b.与过去的事实相反：从句用过去完成时，主句的谓语用would (could, might) ＋现在完成时 If I had gone to America when I graduated from middle school, I would have got my PhD degree. c.与将来的事实相反：从句用should (were to，did) + 动词原形，主句的谓语用would (could, might) ＋动词原形 If it should/were to snow tomorrow, I would go skiing.

注意：虚拟条件句的倒装虚拟条件句的从句部分如果含有were, should, 或had, 可将if省略，再把were, should或had 移到从句句首，实行倒装。 Eg: Should it rain, the crops would be saved. =Were it to rain, the crops would be saved. Eg:_____ to do the work, I should do it some other day. A. If were I B. I were C. Were I D. Was I 答案C. 在虚拟条件状语中如果有were, should, had这三个词，通常将if省略，主语提前, 变成 were, should, had +主语的形式。但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. d.混合条件句主句与从句的动作发生在不同的时间，这时主，从句谓语动词的虚拟语气形式因时间不同而不同，这叫做混合条件句。例如：条件句动作发生在过去，主句的动作发生在现在)谓语动词要根据表示的时间进行调整。 Eg: If it had rained last night (过去), it would be very cold today (现在). 2.Wish 句型表达“但愿…，要是…多好”的语气表示与事实相反的情况，或表示将来不太可能实现的愿望。其宾语从句的动词形式为： He wished he hadn't said that. 他希望他没讲那样的话。 I wish it would rain tomorrow. 我希望明天下雨就好了。 Wish to do表达法: Wish sb / sth to do I wish to see the manager. = I want to see the manager. I wish the manager to be informed at once. (= I want the manager to be informed at once.) 3.在强制性语气的宾语从句中的运用即表示建议、命令、劝告、决心等主观色彩的动词 + that + (should) + 动词原形，其中should 经常被省略。这类动词包括： suggest, propose, recommend, demand, order, command, desire, require, insist,

虚拟语气语法汇总

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虚拟语气在英语文法中有三种语气，即直述式语气(Indicative Mood)、祈使语气(Imperative Mood)和虚拟语气(Subjective Mood)，其中前两种我们早已熟悉了，这里则不多谈了，如：How beautiful she is! 则是直述式语气，而Hurry up! Don't hurry up 则是祈使语气。我们主要来看看虚拟语气的主要用法。虚拟语气主要是用来表达一种无法实现的愿望，一种与事实相反的情况，或者将不可能实现的，或可能性很小的事实，假想为事实予以表述。这样的动词结构称为虚拟语气。它主要有三种形式，即与现在事实相反的假设，与过去事实相反的假设，与将来事实相反的假设。它们具体结构如表８－７。虚拟语气的构成种类条件句结构主句结构与现在事实相反动词用过去式 be 动词用were Should/could＋动词原形 would/might＋动词原形与过去事实相反的用had＋过去分词 Should/could＋have＋过去分词 would/might＋have＋过去分词与将来事实相反动词用过去式 were to 加动词原形 should 加动词原形 should＋动词原形 would＋动词原形虚拟语气其他习惯用法简表种类功用句型例句虚拟语气表示主观愿望主句谓语宾语从句谓语动词I wish we could go to the seaside today. wish 现在过去式过去 had+过去分词 I wish I had gone to the basketball match. 将来 should+ 动词原形 would+ 动词原形 could+动词原形 might+动词原形 I wished I could fly to the moon. I wish you would stay here a little longer. would rather 现在过去式 I would rather you came to my party tomorrow. 表示虚拟状语从句从句动She looked after the orphan as if he

英语虚拟语气知识点归纳

虚拟语气（注意时态和所用规则）一般原则现在：if+主+动词过去式（be动词用were）主+should/could/would/might+do 过去：if+主+had + done 主+should/could/would/might+have/has + done 将来：if+主+动词过去式 If+主+were to do 主+should/could/would/might+do If+主+should do 出现with、without、but for、otherwise、ever if 、ever though………用法与一般原则一样 Wish原则虚拟的动作相比wish是同时时，虚拟部分用-----------过去式过去-----------过去完成时未来-----------could/would do 例：I wish ……………………………… If only =I wish 学过倒装的，可以回顾一下if的倒装形式区别：If only 与only if （if）(只有…才…) 意思雷同首字母

Would rather原则对现在虚拟-------用过去式过去-------用过去完成式将来-------用过去式例：I’d rather that……………… As if /as though 原则对现在虚拟-------用过去式过去-------用过去完成式将来-------用would do 区别：as if/as though与even if/even though 前者意思是好像，后者意思是即使、虽然后三种原则区别是对将来的虚拟形式不同

英语虚拟语气知识点(大全)

英语虚拟语气知识点(大全) 一、初中英语虚拟语气 1．—I don’t know what to wear at the party. — If I you, I would wear a shirt and a tie. A．am B．is C．were D．was 【答案】C 【解析】试题分析：if从句的虚拟语气，对于现在的虚拟用一般过去式，be动词都用were,故选C.句意：——我不知道聚会该穿什么。——如果我是你，我会穿一件衬衫加一条领带。故选C 考点：if条件句的虚拟语气点评：if条件句的虚拟语气，是中考要求掌握的知识点，分为三种情况：表示与现在事实相反的情况，从句谓语动词用一般过去式（be用were），主句谓语动词用should/would/could/might +do;2.表示与过去的事实相反的情况，从句谓语动词用过去完成时，主句谓语动词用should/would/could/might+have done;3.表将来的事实相反的情况，从句谓语动词用should+动词/did/were to do，主句谓语动词用should/would/could/might +do。 2．You _______ through that red light, for you _______ an accident. A．must have driven; should have caused B．could have driven; might have caused C．couldn’t have driven; should have caused D．shouldn’t have driven; could have caused 【答案】D 【解析】【详解】句意：你不应该开车闯红灯，因为你会引起事故的。考查情态动词。分析句子及选项“You ___ through that red light, for you ____ an accident.”，你开车闯红灯，因为你事故的，可知是对过去的虚拟，应用情态动词+have done。此处是不应该开车闯红灯，会引起事故，故选D。 3．Yesterday, the storm delayed us. _______ the storm, we would have been here in time. A．But for B．If it were not for C．But that D．Unless 【答案】A 【解析】【详解】句意：昨天暴风雨耽搁了我们。要不是有暴风雨，我们会及时赶到这里的。考查连词。But for要不是+短语；If it were not for要不是（用于对现在的虚拟）；But that 要不是+从句；Unless除非,后接条件状语从句；根据句中是“the storm”，是名词，所以排除C；根据“would have been ”，是对过去的虚拟排除选项B；分析句子“___ the storm, we would have been here in time.”有暴风雨，我们会及时赶到这里的，应该是“要不是”，故选A。

(完整)虚拟语气用法归纳,推荐文档

虚拟语气用法归纳虚拟语气主要指的的是带有非真实条件状语从句的复合句，表达的是说话人的遗憾后悔的语气，愿望以及建议，命令，要求等等的情感，往往说的是与事实相反或者没办法实现改变的东西。虚拟语气主要表现为在对过去现在或者将来的情况做出假设后，有可能出现的情况。虚拟语气的内容主要有三大模块，第一模块就是涉及到条件从句部分的内容。这一部分的虚拟语气主要体现在三个方面：基本用法，各自为政，以及含蓄之美。下表就是条件从句虚拟语气的基本用法：通常，在上面表格里反映的是非真实条件句的虚拟语气模式，从句和主句的谓语动词时间是一致的，如果两者时间不一致，此时就是混合型虚拟语气。混合型虚拟语气的使用要求“各自为政”，即从句和主句根据各自假设的时间不同，采用上面表格中对应的的谓语动词形式。如何“各自为政”呢？这就像是数学里的排列组合，一边有三种情况，交叉一搭配就出现了好多种情况。不管怎样，我们要遵循一个原则，就是“各自为政”。例如，从句是对过去情况的假设，而主句则是对现在情况的假设，那我们在使用时，从句就用过去完成式，而主句要用would/could do的形式。当然，也不是所有的AB配就是合理的，有时候在具体语境下，会出现矛盾的情况，这时我们就要结合要表达的意思来判断他们是对什么情况的假设，选择合适的形式。一般而言，主句的假设时间会发生在从句的假设时间之后。因为是有这么一个条件才会出现主句的现状。因此在此类的完成句子练习中，我们要特别提醒注意时间状语的暗示 1. If I had seen you, I would not be so worried now. (从句是对过去的假设，主句是对现在的假设) 2. If you had not watched television so late last night, you would not be so sleepy now.( 从句是对过去的假设，主句是对现在的假设) 3. If I were you, I would seize the chance to go abroad. (从句和主句都是现在的假设) 4. Had you followed the doctor’s suggestion, you would be fine now.( 从句是对过去的假设，主句是对现在的假设) 5. If I had made some money last summer, I would go on holiday next month.( 从句是对过去的假设，主句是对将来的假设) 6. You didn’t let me drive. If we had driven in turns, you wouldn’t be so tired now. (从句是对过去的假设，主句是对现在的假设) 7. If Jack hadn’t met Rose on his voyage, he would be alive now. (从句是对过去的假设，主句是对现在的假设) 8. If Lily didn’t attend today’s party, she could not have the chance to work in the company next week. (从句是对现在的假设，主句是对将来的假设) 9. Had Father followed my travel plan , our family would not stay at home now. (从句是对

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。