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1、虚拟语气讲解subjunctivemood虚拟语气的概念虚拟语气（subjunctivemood）表示所说的话只是一种主观的愿望、假设和建议等。虚拟语气的形式If条件句的种类条件句有真实条件句与非真实条件句两种。真实条件句所表的假设是可能发生或实现的，句子中的条件从句与结果主句皆用直接语气，如：1）ifIhaveenoughmoneynextyear,IwillgotoJapan2）ifyouhavefinishedwiththatbook,takeitbacktothelibrary.If条件句的虚拟语气非真实条件句所表的假设则是不可能或不大可能发生或实现的，句中的条件从句和结果
2、主句皆须用虚拟语气。Ifyouhadnotremindedme,Imighthaveforgotten.Ifhewerewise,heshouldhavecometoseeme.虚拟语气构成类表从句主句与过去事实相反Had+过去分词Shouldhave+done与现在事实相反动词过去式Be用wereShould+do与将来事实相反动词过去式Wereto+doshould+动词原型Should+doExamples假如我是你的话，我就不会要那些钱。IfIwereyou,Iwouldrefusethemoney.假若我们有时间的话，我们就会顺道拜访了Weshouldhavedroppe
3、dbyifwehadhadtime.假如他来看我，就会认识我。Ifheshouldseeme,hewouldknowme.条件从句和结果主句所表时间不一致的虚拟语气从句的动作与主句的动作发生时间不一致的情况，这时动词的形式应根据所表示的时间做相应的调整。这称为错综虚拟条件句。ExamplesIfIhadspokentohimyesterday,Ishouldknowwhattodonow.从句是过去时虚拟，主句是现在进行时虚拟Ifwehadnotbeenworkinghardinthepastfewyears,thingswouldnotbegoingsmoothly.从句是过去时
4、虚拟，主句是现在进行时虚拟ExercisesYou(be)betternowifyou(take)myadvice.Ifmyfather(sent)me,I(be)notherenow.Ifhe(come),whatwe(say)tohim.虚拟语气中的倒装句非真实条件从句的连词if在书面语中可以省略，并将谓语中的were,had,should移置主语之前。Wereyouinmyposition,youwoulddothesame.HadItime,Iwouldcome.含蓄条件句非真实条件句中的从句有时不表达出来，只暗含在上下文中，这种句子叫做含蓄条件句。WhatwouldIha
5、vedonewithoutyou?Itwouldbeeasiertodoitinthisway.WithoutyourhelpIcouldnothavefinishedthetaskontime.Butforthestorm,weshouldhavearrivedearlierIamreallyverybusy,otherwiseIwouldcertainlygotherewithyou.Amanoflesscouragewouldnothavedaredtogo.IfonlyIhadmoretimetothinkaboutitconclusion介词或介词短语with,witho
6、ut,butfor(要不是),intheabsenceof,under,ifonly(要是…就好了),表示条件，句中用虚拟语气.从句中的虚拟语气—主语从句在下列结构的主语从句中，谓语动词用虚拟语气,形式为should+do,should可省Itisnecessary/imperative/important/essential/advisable/better/ordered/proposed/desired/requested/suggested/recommended/demanded/decided/arranged/natural/impossible/sorry/stra
7、nge/apity/ashame/nowonder…that…ExampleItwasarrangedthattheyleavethefollowingweek.Itisapitythatsheshouldfare(过活)sobadly.Itishisdesirethatamedicalmanshouldstayhere.Exercises我们说话要有礼貌，这是很重要的。Itisimportantthatweshouldspeakpolitely.应当进行批评与自我批
