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1、虚拟语气语法深化If引导的真实条件句(16)：主将从现Ifsheshowsup,we’llstickwithher.I’llgiveyouacallifanythingcomesup.I’llkickyououtifdon’tlistentome.2.主祈从现Catchmeifyoucan.Lovemeifyoudare.Ifhecomes,heisgoingtobringhisviolin.虚拟语气语法深化If引导的虚拟条件句：与现在事实相反的假设条件从句 主句一般过去时should(wouldcould)+动词原形如果我是你，我不会让他走。=
2、IfIwereyou,Iwouldnotlethimgo.如果我能飞，你就抓不到我。=IfIcouldfly,youwouldnotcatchme.虚拟语气语法深化If引导的虚拟条件句：2.与将来事实相反的假设条件从句 主句一般过去时should(wouldcould)+动词原形Wereto+动词原型Should+动词原型Ifyoushouldsucceed,everythingwouldbeallright.Ifyouweretosucceed,everythingwouldbeallright.虚拟语气语法深化If引导的虚拟条件句：3.与过去
3、事实相反的假设条件从句 主句Haddonewould,should,could+havedoneIfhehadcomeyesterday,Ishould/wouldhavetoldhimaboutit.Ifhehadnotbeenillandmissedmanyclasses,hewouldhavemadegreaterprogress.虚拟语气语法深化If引导的虚拟条件句：4.混合虚拟语气Ifyou_______himyesterday,you______whattodonow.(ask,know)（从句与过去事实相反，主句与现在事实相反。）I
4、fithadrainedlastnight(过去),itwouldbeverycoldtoday(现在).虚拟语气语法深化If引导的虚拟条件句：5.虚拟条件句的倒装虚拟条件句的从句部分如果含有were,should,或had,可将if省略，再把were,should或had移到从句句首，实行倒装。Iftheywereherenow,theycouldhelpus.=Weretheyherenow,theycouldhelpus.Ifyouhadcomeearlier,youwouldhavemethim.=Hadyoucomeearlier,youwou
5、ldhavemethim.Ifitweretorain,thecropswouldbesaved.=Wereittorain,thecropswouldbesaved.1.Thisprinterisofgoodquality.Ifit_______breakdownwithinthefirstyear,wewouldrepairitatourexpense.(09年天津市高考)A.would B.shouldC.could D.might2.—Itwasthedrug，notthedisease，thatkilledMichael
6、Jackson.—Hewouldbestillalivetodayifhe___thatdrug.A.nottake B.shouldn’thavetakenC.didn’ttake D.hadn’ttaken3. You didn‘t let me drive. If we _____in turn, you ______so tired. (1996年全国高考题)A. drove, didn't getB. drove; wouldn't getC. were drivi
7、ng; wouldn't getD. had driven; wouldn't have got4.---Sorry,ProfessorSmith.Ididn'tfinishtheassignmentyesterday.---Oh,youhavedoneitasyesterdaywasthedeadline.(2010年上海市高考题)mustB.mustn'tC.shouldD.shouldn't5.Bobwouldhavehelpedusyesterday,buthe_______(2010年安徽省高考)wasbusyB.isbusyC.hadbeen
8、busy.D.willbebusy6.Ifhemyadvice,hewouldn
