If-引导的条件状语从句

If引导的条件状语从句If引导的条件状语从句遵循主过从过、主将从现的原则。主将从现（主情从现、主祈从现）Ifitrainstomorrow,Iwon’tclimbthehills.Ifitdoesn’traintomorrow,Iwillgotothecountrysidewithmyfriends.If引导的条件状语从句If引导的条件状语从句遵循主过从过、主将从现的原则。主将从现（主情从现、主祈从现）Ifyouwillhelpme,I'llfinishitontime.Wemaygooutifit'sfinetomorrow.Ifyoufinishyourhomework,youcanwatchTV.PleasecallmeifyougoshoppingnextSunday.IfIgothere，I'lltakehersomeflowers.We'llstayathomeifitrainstomorrow.Pleasecallmeifhe’sathome.Ifyouworkharder,you’llpasstheexam.Shewillvisithergrandpaifshehastimetomorrow.We’lltakeataxitothecityifthetraindoesn’tarriveontime.Theteacherwillbeangryifheislate.If引导的条件状语从句与unless引导的条件状语从句的转换If+否定形式=unless+肯定形式Youwon’tpasstheexamifyoudon’tworkhard.=Youwon’tpasstheexamunlessyouworkhard.Ifyoudon’tgotobedearlier,youwillfeeltiredinthemorning.=Unlessyougotobedearlier,youwillfeeltiredinthemorning.Ifitdoesn’train,hewillplaywithmetomorrow.=Unlessitrains,hewillplaywithmetomorrow.Ifshedoesn’tcome,I’llgoshoppingalone=Unlessshecomes,I’llgoshoppingalone.if条件状语从句与祈使句,and/or＋一般将来时的句子转化Ifyougetupearly,you’llgetthereontime.=Getupearly,andyou’llgetthereontime.=Getupearly,oryouwon’tgetthereontime.Ifyougetupearly，youwon'tbelateforschool.=Getupearly，andyouwon'tbelateforschool.=Getupearly，oryouwillbelateforschool.Ifyoudon’tgetupearly,youwon’tcatchupwiththeearlybus.=Getupearly,andyouwillcatchupwiththeearlybus.=Getupearly,oryouwon’tcatchupwiththeearlybus.if条件状语从句与without的句子转化Ifthereisnowater,wecan'tlive.=Wecan'tlivewithoutwater.Ifthereisnowater,fishwilldie.=Fishwilldiewithoutwater.Ifyouhelpme,I’llfinishtheworksoon.=Withyourhelp,Ifinishtheworksoon.if条件状语从句与祈使句,and/or＋一般将来时的句子转化Ifyougetupearly,you’llgetthereontime.=Getupearly,andyou’llgetthereontime.=Getupearly,oryouwon’tgetthereontime.Ifyougetupearly，youwon'tbelateforschool.=Getupearly，andyouwon'tbelateforschool.=Getupearly，oryouwillbelateforschool.Ifyoudon’tgetupearly,youwon’tcatchupwiththeearlybus.=Getupearly,andyouwillcatchupwiththeearlybus.=Getupearly,oryouwon’tcatchupwiththeearlybus.1.yourfriend,I'lltellyou.A.comeB.willcomeC.comesD.arecoming2.Ifyougotocollege，youagoodeducation.A.willgetB.getC.getsD.got3.Iwanttoknowiftheytomorrow.A.comeB.willcomeCcomesD.came4.Takeenoughexercise,you'llbeingoodheath.A.orB.soC.butD.and5.Ifit(notrain),he(play)basketballwithmetomorrow.6.IfUncleLan______(come),I______(call)youup.7.Shemustseeadentistifshe______(have)atoothache.8.Pleasewakemeupifhe______(come)back.9.Hurryup！Oryou______(be)lateagain.10.Ifyoudon’tbequick,you(be)late.1.Wewon’twaitforyouyoucan’tarriveontime.A.untilB.whenC.afterD.if2.Thechildrenwillgotothezooifit(notrain)thisSaturday.3.Ifsheworkhard,shebeabletogotocolleage.A.not,notB.won’t,won’tC.won’t,doesn’tD.dpesn’t,won’t4.IfIruneveryday,I(be)healthier.5.Ifit(notrain),he(play)withmetomorrow.6.Shemustseeadentistifshe(have)atoothache.7.Studyhard,oryou(notpass)thetest.8.Ifyou(notgo)tobedearlier,youwillfeeltiredinthemorning.9.Ifhe(be)freetomorrow,hewillcometoyourbirthdayparty.10.Wewillgotothezooifit(notsnow)tomorrow.11.Ifitisfinetomorrow,I(go)forafiledtrip.