if条件状语从句_复习解析

If引导的条件状语从句(复习)用法：1.主将从现Ifitrains（从句），Iwillstayathome.I’llgowithyouifyoudon’twanttogoalone（从句）.2.主情从现Ifyoudrivetoofast,youmayhaveanaccident.Youmuststopifthetrafficisred.3.主祈从现Don’tgoandplayfootballifyoudon’tfinishyourhomework.PleasecallmeifhecomesnextSunday.•1.主祈从现•2.主将从现if…,will/won’t•3.主情（can，may，should，must）从现Ifyoufeelhungry,youshouldeatsomething.Ifyoufeeltired,youmusthavearest.Ifyouareill,youshouldgotoseeadoctor.Ifyouareridingabikeinthestreet,youmustbeverycareful.1.Canyoutellmeifshecancometothemeeting?2.Shewillnotgothere,ifitisrainytomorrow.3.Ican’tguessifshewillbeangry.4.Ifwehelpeachother,webothwillgetgoodresults.If在宾语从句中翻译为“是否”If在条件状语从句中翻译为“如果”I’llgotoseeyouifIamfreenextweek.Iwanttoknowifheisateacher.whether1.if在句中的含义不同2.if在从句中的位置不同If引导的宾语从句放在主句之后；而if引导的状语从句可放在主句之前也可放在主句之后=Ifitdoesn’train,Iwillgoouttomorrow.Iwillgoouttomorrowifitdoesn’train.Idon’tknowifthetrainhasarrived.If引导的条件状语从句放于句首时多用逗号隔开；而if引导的宾语从句则不能。3.时态要求上有区别If引导条件状语从句的时态为一般现在时记住“主将从现”1.Iwanttoknowifthereasportsmeetingnextmonth.doesn’trainwillbe2.Ifit,we’llholdit.If引导的宾语从句的时态由主句及本身时态决定；练一练：1。如果你请求他，他会帮你的Ifyou___him,he_______you2。如果她早点儿起床，就有时间在家里吃早餐Ifshe________alittleearlier,she’llhavetimetoeatbreakfastathome.3。如果你参加聚会，你将会过得很开心。Ifyou____theparty,you_________agreattime.4。如果明天下雨，我们将不去野餐Ifit____tomorrow,we__________forapicnic.5。如果你经常听英文歌，你将会喜欢英语Ifyouoften_________Englishsongs,you______English.•二、选择题：()1.Ifyou________him,hewillhelpyou.(2009海南中考)A.askedB.askC.willask()2.Iwillstayathomeifit__________tomorrow.(2007海南中考)A.rainB.rainsC.willrain()3.Ifshe_____hard,ShewillgotoBeijingUniversity.A.studyB.willstudyC.studies()4.Ifhe________heretomorrow,I’llmeethim.A.comeB.willcomeC.comes()5.Ifshelikesit,she_______itsoon.A.readB.readsC.willread()6.IfI_______muchmoneyinthefuture,Iwilltravelallovertheworld.A.haveB.hasC.willhave三、用所给词的正确形式填空。1.Ifhe_______________(not,do)it,I___________(do)it.2.Ifyou__________(be)lateforschool,myteacher____________(be)angry.3.we___________(be)happyifshe______________(win)theprize.4.IfI_______________(not,eat)somuch,I_____________(get)thinner.5.I______________(notplay)soccerifit______________(rain).6.He_______________(watch)TVifhe__________(be)free.【2011陕西】24.Iftherenobuyingandsellingofanimals,therenokillinginnature.Ais;willhe；B.willbe;willbeC.is;isD.willbe;is【2011黑龙江绥化市】I’mwaitingformyfriend.,I'llgoshoppingalone.A.IfshecomesB.Ifshewon'tcomeC.Ifshedoesn'tcome【2011雅安】10.Thestudents____haveasportsmeetingthisweekendifit_____。A.won’t;rainsB.will;rainsC.won’t;willrainD.aregoingto;isgoingtorain•【2011重庆江津】12.Ifsheheretomorrow,Iwilltellyou.A.comesB.willcomeC.comeD.came•【2011黑龙江齐齐哈尔】13.I’mwaitingformyfriend.,I’llgoshoppingalone.A.IfshecomesB.Ifshedoesn’tcomeC.Ifshewon’tcome•【2011山东泰安】14.—Tomwantstoknowifyouwillhaveapicnictomorrow.—Yes.Butifit______,we’llplaychessinstead.A.willrainB.rainedC.israiningD.rains•【2011山东潍坊】15.IfTom_____thegame,we'llgivehimasurprise.A.winB.winsC.wonD.winning有关if引导的状从考点1、主将从现Ifit_____(rain)tomorrow,I____(go)out.2、If的两种意思（如果\是否）Iwanttoknowifhe_________(come)tomorrow,ifhe_______(come),I__________(give)themessagetohim.3、If的同义句改写请观察下列句子：Ifyougetupearly,youwillcatchthebus.____________,andyouwillcatchthebus.Ifyoudon’tstudyhard,youwillnotpasstheexam.__________，oryouwillnotpasstheexam.从上题我们可以看出，if引导的条件状语从句是可以改写成“祈使句+and+主句”，此处的and表示顺接。IfIsleepallthetime,Iwillnotpasstheexam.________,andIwillnotpasstheexam.这样的从句还可以改写成“祈使句+or+主句”,此处的or表示转折，翻译为“否则，不然”。Ifyoudon’tstudyhard,yourparentswillbesad.________,oryourparentswillbesad.