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1、江苏省灌南高级中学高三英语一轮复习《虚拟语气》教案译林牛津版SteponeLeadin选用Bread乐队的一首经典老歌“IF”作为热身。要求学生在欣赏歌曲的同时，写出歌词中空缺的单词。歌词如下：Ifapicture_paints__(paint)athousandwords,thenwhycan’tIpaintyou?Thewordswillnevershow,theyouI'vecometoknow.Ifafacecouldlaunch(launch)athousandships,thenwhere
2、amItogo?There'snoonehomebutyou.You'reallthat'sleftmeto.Andwhenmyloveforlifeisrunningdry,youcomeandpouryourselfonme.Ifamancouldbe(be)twoplacesatonetime,I’dbe(be)withyou.Tomorrowandtoday,besideyoualltheway.Iftheworldshouldstop(stop)revolving,spinningslowl
3、ydowntodie,I’dspend(spend)theendwithyou.Andwhentheworldwasthrough.Thenonebyonethestarswouldgoout.ThenyouandIwouldsimplyflyaway.SteptwoGrammarPartOne:leadin1.If条件从句所述情况If从句主句与现在相反过去式/be→werewould/could/might/should…do与过去相反haddonewould/could/might/should…
4、havedone与将来相反did/wereto/shouldwould/could/might/should…doPartTwo:Discoveryandpractice2.错综时间条件句和省略if的条件句有时候，条件和结果不是指同一个时间，这时，应根据上面谈到的几种情况，使用相应的形式，这种虚拟语气形式被称为错综虚拟语气。例)IfitwereChristmasDaytoday,Iwouldhaveboughtsomepresentslastweekend.1.总结:条件从句的动作和主句的动作时间不一
5、致时,动词的形式要作相应的调整.①假如你接受了我的意见，你现在就会好的多。Youmuchbetternowifyoumyadvice.②要不是你误了公共汽车的话，我们现在正在听音乐会呢．Ifyou____________thebus,we___________________theconcertnow.2.若从句中有were,had,should,可把if省略，而把_______ _______ _______放在主语前，从句部分形成倒装结构。例如：①要是我了解电脑程序，会节省大量的时间和能量HadI
6、knownaboutthiscomputerprogram,ahugeamountoftimeandenergy___________________.②如果明天下雨，我们将不得不取消球赛。Shoulditraintomorrow,wewouldhaveto___________________.3.含蓄式条件句有时为了表达的需要，虚拟语气中并不总是出现if引导的条件句，而通过其他介词,介词短语或副词等来替代。如：without,with，butfor,or(else),otherwise ，unde
7、r，in等。1)Wecouldn’thavesucceededwithoutyourhelp.(=ifwehadn’treceivedyourhelp.)2）Withhishelp(=IfIhadherhelp),Iwoulddotheexperimentwell.3）Undertheleadershipofalessexperiencedperson(=Iftherehadbeentheleadershipofalessexperiencedperson),theexperimentwouldhav
8、efailed.4）Iwouldhavelostmyheadinthatposition(=ifIhadbeeninthatposition).5)Butfortherain,wewouldhavefinishedthework.=Ifit________________________________________________.6)Hetelephonedtoinformmeofyourbirthday,or(else)Iwouldhavekno
