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1、虚拟语气定义虚拟语气（theSubjunctiveMood）表示说话人的一种愿望、建议、命令、要求，有时是一种非真实的假设、料想，或是不可能实现的、与事实相反的愿望。陈述语气（theIndicativeMood）用来陈述一个事实，或提出一个想法，有肯定、否定、疑问和感叹等形式。考点1.条件句中的虚拟语气的用法/倒装；2.名词性从句中虚拟语气的用法；3.几种特殊结构中虚拟语气的用法；4.虚拟语气与陈述语气的判定。主要形式(1)与现在事实相反的非真实条件句，谓语动词形式如下：从句：过去时主句：would/should/could/might+动词原形IfIwereyou,Iwoul
2、daskourteacherforadvice.如果我是你的话，我就去请教老师了。(2)与过去事实相反的非真实条件句，谓语动词形式如下：从句：过去完成时主句：would/should/could/mighthave+过去分词IfIhadn’ttakenthewrongbus,Iwouldn’thavemissedthecontest.如果我没有乘错车，我就不会不参加竞赛了。(3)与将来事实相反的非真实条件句，谓语动词形式如下：从句：过去时/should+动词原形/wereto+动词原形主句：would/should/could/might+动词原形IfIhadenoughmon
3、eynextmonth,Iwouldbuyacopyof“TheAdvancedLearnersDictionaryofCurrentEnglish”.如果我下个月有足够的钱，我就会买一本《现代高级英语学习词典》。if引导的虚拟条件句区别:Ifitrainstomorrow,thecropswillbesaved.陈述语气Ifitrainedtomorrow,thecropswouldbesaved.虚拟语气与现在事实相反的虚拟条件句If+主+did(were),主+would/should/could/might+动词原形1.如果我是你，我会再试一次。IfIwereyou,I
4、wouldtryitagain.2.如果我有一百万美元，我会买下这架飞机。IfIhadonemilliondollars,Iwouldbuytheplane.与过去事实相反的虚拟条件句If+主+haddonesth.,主+would/should/could/might+动词完成式（havedone）1.如果他努力学习的话，他就会通过这次考试了。Ifhehadworkedhard,hewouldhavepassedtheexamination.2.要是当时我和她结了婚的话，那我是很不幸的。IfIhadmarriedherthen,Iwouldhavebeenunhappy.与将
5、来事实相反的虚拟条件句(通常有时间状语)If+主+did(wereto/shoulddo),主+would/should/could/might+动词原形1.如果他明天来的话,我会告诉他这件事。Ifhecameheretomorrow,Iwouldtellhimaboutit.2.如果他明天来的话,我会告诉他。Ifheweretocomeheretomorrow,Iwouldtellhim.条件状语的倒装：如果条件状语中有were,had,should时,可以倒装成：Were/Should/Had+主+其他IfIwereyou,Iwouldtryitagain.→WereIyo
6、u,Iwouldtryitagain.Ifhehadbeenthereyesterday,hewouldhaveseenthefilm.→Hadhebeenthereyesterday,hewouldhaveseenthefilm.Ifitshouldsnowtomorrow,wewouldn’tgoout.→Shoulditsnowtomorrow,wewouldn’tgoout.wish引导的虚拟句wish+thatHowIwishIfonlydid/were现在haddone过去would/might/coulddo将来(1)我要是记得地址就好了。（真可惜我忘了）Iwis
7、hIrememberedtheaddress.(2)要是他没有离开这里就好了。（他已离开）HowIwishhehadnotleft.(3)要是明天下雨就好了。（说话人已预料到明天不会下雨）Iwishitwouldraintomorrow.Ifonly要是……就好了=Iwish（1）IfonlyIknewhisnamenow!（2）Ifonlywehadfollowedyouradvicelasttime!（3）IfonlyIcouldseehimagainnextyear!（4）要是我们的父
