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1、虚拟语气的用法及专项练习题虚拟语气表示一种假设的情况，或一种主观的愿望，即动词所表示的动作或状态并非事实，或不可能实现。英语虚拟语气的形式有下列几种：一、与现在事实相反连接词条件从句结果从句If1.动词过去式(或were)2.助动词（过去式）+动词原形Should Would +动词原形couldmightIfhadthetime,JohnwouldmakeatriptoChinatoseetheGreatWall.IfIwereyou,Iwouldgiveupdrinkingimmediat
2、ely.二.与将来事实相反连接词条件从句结果从句If1. should+动词原形2. 动词过去式3、wereto+动词原形ShouldWould +动词原形couldmightIfyoushouldlose,whatwouldyoudo?IfIweretoseehertomorrow,Iwouldtellherthetruth.Ifyouwenttherenexttime,youwouldseewhatImean.三、与过去事实相反连接词条件从句结果从句Ifhad+过去分词Shou
3、ld Would +have+过去分词couldmightIfI’dknownthatitwasgoingtorain,Iwouldneverhavegoneforawalkinthecountry.四、虚拟语气的几种特殊用法省掉if的条件从句结构：Hadyouaskedme,Iwouldhavetoldyou. (=Ifyouhadaskedme,…)2.有时虚拟条件不用条件从句而用不定式、分词、介词、名词、连接词或定语从句来表示，如：Atruefriendwouldnotdosuc
4、hathing.(=Ifhewereatruefriend,he...)(=Iftherewerenowater,…)(=Ifyouhadn’thelpedme,…)例句：Withoutyouradvice,ourmeetingwouldn’thavebeensosuccessfully.[过去]（=>可转换为：Iftherehadn’tbeenyouradvice,we…）Yournotesarealmostillegible(难以辨认的).Notestypedoutwouldbealoteasi
5、ertoread.[将来](=>可转换为：Ifthenoteshadbeentypedout,itwouldbealoteasiertoread.)IshouldhavegonetoseeDr.Smithandhemighthavecuredmeofthedisease.[过去](=>可转换为：IfhehavegonetoseeDr.Smith,he..)3. 有时条件从句中的动作和结果从句中的动作发生的时间不一致，如：Ifhehadfollowedthedoctor’sadvice,hewo
6、uldbequiteallrightnow.IfIwereyou,Iwouldhavegonehome.虚拟条件句的从句部分含有were, should, 或had时, 可省略if，再把were, should或had 移到从句的句首，实行倒装。例如： Were they here now, they could help us. =If they were here now, they could help us.他们现在在的话，就会帮助我们了。 Had you come earlier, y
7、ou would have met him. =If you had come earlier, you would have met him.你来得早一点，就碰到他了。 Should it rain, the crops would be saved. =Were it to rain, the crops would be saved.假如下雨，庄稼就有救了。注意：在虚拟语气的从句中，动词'be'的过去时态一律用"were"，不用was，即在从句中be用were代替。例如： If I we
8、re you, I would go to look for him. 如果我是你，就会去找他。 If he were here, everything would be all right. 如果他在这儿，一切都会好的。五、虚拟语气的其他用法1、Suggest,advise等动词之后宾语从句须用虚拟语气，其句子结构如下：suggest,advise,recommend,demand,require,insist,urge,request,order,
