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1、虚拟语气SubjunctiveMood1虚拟语气用来表示所说的不是事实，或者是不可能发生的情况，而是一种愿望，建议或是与事实相反的假设。虚拟语气通常用在下列情况。(一)用于虚拟条件句中1.其主从句的谓语动词形式如下表：虚拟语气2从句主句与现在事实相反谓语动词用--谓语动词用--与过去事实相反谓语动词用--谓语动词用--与将来事实相反谓语动词用--谓语动词用--1)did2)be动词用wereshould/would/could/might+doshould/would/could/might+do
2、should/would/could/might+have+done1)did/were2)should/could+动动词原形3)weretodohad+done31)Ifeveryoneinthecountry_____(know)firstaid,manylives______________(save).(与现在事实相反)2)Ifthehurricane_____________(happen)duringtheday-time,there_______________(be)morede
3、aths.(与过去事实相反)3)Ifit___________(rain)tomorrow,we____________(notgo)out.(与将来事实相反)knewwouldbesavedhadhappenedwouldhavebeenweretorainshouldnotgo42．虚拟条件句中的省略与倒装当虚拟条件句中有动词were,had,should时可将if省去,而将were，had，should提到主语之前,形成省略倒装。1)_____ittoraintomorrow，weshoul
4、dnotgoout.2)____itnotrainedyesterday,hewouldhavecometotheparty.3)_______therebeaflood,whatshouldwedo?WereHadShould53.有时假设情况是通过一个介词短语来表示用without/butfor;or/orelse代替if从句。Without/Butforhishelp,wewouldn’thavemadesuchgreatprogress.＝Ifhishelp,wewouldn’thavem
5、adesuchgreatprogress.therehadn’tbeenwehadn’tgotithadnotbeenfor64.混合时间条件句与主句条件句与主句的动作发生的时间有先后,应按各自动作时间搭配好相应的形式。1)Ifthey___________(study)hard,theycould_________(do)iteasilynow.如果他们以前努力学习的话，现在干的就会容易些。2)Ifhe_____________(take)myadvice,hewouldn't________i
6、tmuchbetterlike this.如果他不听取我的建议，他就不会干得这样好。hadstudieddohadnottakendo75.省略虚拟语气的条件从句或者主句情况1)Ifonlyhecouldcome!要是他能来就好了2)Sheshouldhavecometotheparty.她应该来参加聚会。3)Ifhehadmuchmoremoney.如果他有更多的钱就能...。86.句型Ifitwerenotfor...(=Wereitnotfor...)Ifithadn'tbeenfor…(=
7、Haditnotbeenfor...)要不是...;如果不是...1)Ifithadn'tbeenforthedeterminedcaptain,allthepassengersonboardwouldn'thavebeensaved.2)Ifitwerenotforhisrichparents,hecouldn'tlivesoeasyalife.9(二)用于宾语从句中1.用在表命令，建议，要求等动词后的宾语从句中动词为suggest,demandrequest,desire,order,prop
8、ose,insist,advise等,宾语从句中用谓语用(should)do/be…Iinsistedhe__________(go)toseeadoctor,butheinsistednothing_______(be)wrongwithhim.2)Isuggestthatwe_____________ameetingnextweek.3)Herpalefacesuggeststhatshe______(be)ill.(should)gowas（should）holdis10表示
