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1、高考英语虚拟语气详细分类讲解（适合初学/复习）英语的动词有三种语气形式，即陈述语气、祈使语气和虚拟语气。陈述语气用来说明事实或就事实提出询问，可用于陈述句、疑问句和某些感叹句中；祈使语气用于表示请求、命令、建议或警告等。虚拟语气是谓语动词的一种特殊形式，用来表达假设、主观愿望、猜测、建议、可能或空想等非真实情况。如：He is honest. 他很诚实。（陈述语气）Dont be late next time. 下次别迟到。（祈使语气）If Iwereyou ，I would not go. 我要是你，我就不会去。（虚拟语气）I wish Ihada lot of money. 要是我有很多很
2、多钱就好了。（虚拟语气）第一类虚拟语气在条件句中的用法：条件句有真实条件句和虚拟条件句两种。真实条件句所表示的假设是有可能发生的，此时主句不用虚拟语气；而虚拟条件句则表示一种假想，与事实相反或不大可能会发生，此时用虚拟语气。如：If Ihavetime，I will go. 假若我有时间，我就去。（陈述语气）If Iwereyou，Iwouldgo. 假若我是你，我就去。（虚拟语气 ）注：特别说明1、l would/should/could/might主句谓语中的should主要用于第一人称后；would表示结果还表示过去经常常常做某事，might表示可能性，could表示能力、允许或可能性。
3、比较：If you tried again ，you would succeed. 要是你再试一试，你就会成功的。(would表结果)If you tried again， you might succeed. 要是你再试一试，你可能会成功的。(might表可能)If you tried again ，you could succeed. 要是你再试一试，你就能成功了。(could表能力)2、错综时间虚拟条件句 即条件从句与主句所指时间不一致，如从句指过去，而主句即指的是现在或将来，此时应根据具体的语境情况，结合上面提到的三种基本类型对时态作相应的调整：If it had rained las
4、t night, the ground would be wet now. 要是昨晚下过雨的话，现在地面就会是湿的。You would be much better now if you had taken my advice. 假若你当时听我的话，你现在就会好多了。3、If虚拟条件句的否定（含蓄条件句） 常考两个句型：If it werent for和If it hadnt been for，其意为“若不是(有)” “要不是”。如：If it werent for water, no plant could grow. 要是没有水植物就无法生长。If it hadnt been for yo
5、ur assistance ，we wouldnt have succeeded.=But for your assistance ，we wouldnt have succeeded.=Without your assistance ，we wouldnt have succeeded.如果没有你的帮助，我们不会成功的。4、If虚拟条件句的倒装形式，即把were, had, should置于句首。例：Were I in school again (= If I were in school again), I would work harder.如果我能再上一次学，我会学习得更努力。Had
6、you asked me, I would have told you. (=If you had asked me,)如果你问我，我会告诉你。第二类编辑使用虚拟语气的常见结构或从句：1.*wish与hope接宾语从句的区别在于：hope表示一般可以实现的希望，宾语从句用陈述语气。wish表示很难或不大可能实现的希望,宾语从句用虚拟语气。试比较：（1） We hope they will come. (We dont know if they can come.)（2） We wish they could come. (We know they are not coming.)我们希望他们能
7、来。2.if only 与 I wish一样，也用于表示与事实相反的愿望，其后所虚拟语气的时态与 wish后所接时态的情况相同：If only she had had more courage! 她再勇敢一些就好了。If only I had listened to my parents! 我要是当时听了父母的话就好了。If only she would go with me! 她要是愿意和我一道去就好了!*if only 通常独立使用，没有主句。3.l would rather后句子用虚拟语气 只分现在和过去在would rather, would sooner, would just as
8、 soon后的that从句中, 句子谓语习惯上要用虚拟语气， 表示宁愿做什么 ，具体用法为：一般过去时表示现在或将来的愿望Id rather you went tomorrow (now). 我宁愿你明天(现在)去。用过去完成时表过去的愿望Id rather you hadnt said it. 我真希望你没有这样说过。4.l as if (though)从句用虚拟语气以as if (as though)引导的方式状语从句或表语从句，有时用虚拟语气,则与wish用法相同，例：He acts as if he knew me. 他显得认识我似的。They treat me as though I
9、 were a stranger. 他们待我如陌生人。He talks as if he had been abroad. 他说起话来好像曾经出过国。注：两点说明(1) 从句所表示的内容若为事实或可能为事实，也可用陈述语气：It looks as if well be late. 我们似乎要迟到了。(2) 注意It isnt as if的翻译：It isnt as if he were poor. 他不像穷的样子(或他又不穷)。4第三类编辑从句中should+动词原形，should可省略1.在lest ，for fear that( 以免) ,in case(以防)引导的目的状语从句中的虚拟语
10、气She walked quietly lest she(should)wake up her roommates. 她走得很轻以免吵醒她的室友。2.表应当做 值得做 一类动词后的宾语从句建议advise, suggest, propose, recommend命令order, command请求ask, demand, require, request指示direct督促urge提议move, vote希望desire坚持insist打算intend安排arrange例如：I insisted that he(should)stay. 我坚持要他留下。He urged that they g
11、o to Europe. 他督促他们到欧洲去。He suggested that weshouldleave early. 他建议我们早点动身。He ordered that it(should)be sent back. 他命令把它送回去。I ask that he leave. 我要求他走开。He requires that I(should)appear. 他要求我出场。I move that we accept the proposal. 我提议通过这项提案。He arranged that I should go abroad. 他安排我去国外。She desires that he
12、 do it. 她希望他做此事。The general directed that the prisoners should be set free. 将军指示释放那些俘虏。*suggest表“暗示”insist表“坚持说”时不用虚拟语气比较：Heinsistedthat Ihad readhis letter. 他坚持说我看过他的信。Heinsistedthat Ishould readhis letter. 他坚持要我看他的信。Hesuggestedthat we(should) stayfor dinner. 他建议我们留下吃饭。Isuggestedthat youhad a secre
13、tunderstanding with him. 我觉得你与他心照不宣。3. order,suggestion,idea,plan, proposal, advice, demand等名词后的表语从句或同位语从句Oursuggestionis that you（ should）be the first to go 我们的建议是你应该第一个去。4.*advice, agreement, command, decision, decree, demand, determination, indication, insistence, order, preference, proposal, req
14、uest, requirement, stipulation, suggestion, idea, plan, orderl “It is (was)+ 紧急 重要- 带感情色彩上述demand/suggest等动词过去分词 或important,natural,strange ,necessary，surprised, appropriate等形容词 后的主语从句1. It isorderedthat the army(should)get there by 4 a.m.2. It isnecessarythat she(should) besent there at once.注：*It
15、is necessary，important，strange，natural， advisable, anxious, compulsory, crucial, desirable, eager, essential, fitting, imperative(绝对必要), impossible, improper, obligatory, possible, preferable, probable, recommended, urgent, vital etc. ；it is a pity；It is requested/suggested/desired/proposed第四类Its time后的从句用虚拟语气从句谓语通常用过去式表示 (早)该干某事了*有时也用过去进行时或“should+动词原形”(较少见，且should不能省略)ex. Its time we went were going, should go. 我们该走了。Its time I was in bed. 我该上床睡了。(不用were)Its time = It is (the very/high/right/about) time第五类表示祝
