If-引导的条件状语从句

1、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,Iwontclimbthehills.Ifitdoesnrtaintomorrow,Iwillgotothecountrysidewithfriends.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,Illfinishitontime.Wemaygooutifitsfinetomorrow.Ifyoufinishyourhomework,youcanwatch

2、TVPleasecallmeifyougoshoppingnextSunday.IfIgothere,Illtakehersomeflowers.Wellstayathomeifitrainstomorrow.Pleasecallmeifhesathome.Ifyouworkharder,youllpasstheexam.Shewillvisithergrandpaifshehastimetomorrow.Welltakeataxitothecityfthetraindoesntarriveontime.Theteacherwillbeangryifheislate.If 引导的条件状语从句与

3、 unless 引导的条件状语从句的转换If+否定形式=unless+肯定形式myYouwontpasstheexfyoudonWorkhard.=Youwontpasstheexamlessyouworkhard.Ifyoudongotobedearlier,youwillfeeltiredinthemorning.=Unlessyougotobedearlier,youwillfeeltiredinthemorning.Ifitdoesnrain,hewillplaywithmetomorrow.=Unlessitrains,hewillplaywithmetomorrow.Ifshedo

4、esnCtome,Illgoshoppingalone=Unlessshecomes,Illgoshoppingalone.if 条件状语从句与祈使句，and/or+一般将来时的句子转化Ifyougetupearly,youllgetthereontime.=Getupearly,andyoullgetthereontime.=Getupearly,oryouwontgetthereontime.Ifyougetupearly,youwontbelateforschool.=Getupearly,andyouwontbelateforschool.=Getupearly,oryouwillbe

5、lateforschool.Ifyoudontgetupearly,youwonatchupwithctheearlybus.=Getupearly,andyouwillcatchupwiththeearlybus.=Getupearly,oryouwontcatchupwiththeearlybus.if 条件状语从句与 without 的句子转化Ifthereisnowater,wecantlive.=Wecantlivewithoutwater.Ifthereisnowater,fishwilldie.=Fishwilldiewithoutwater.Ifyouhelpme,Illfin

6、ishtheworksoon.=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,youllgetthereontime.=Getupearly,andyoullgetthereontime.=Getupearly,cryouwontgetthereontime.Ifyougetupearly,youwontbelateforschool.=Getupearly,andyouwontbelateforschool.=Getupearly,oryouwillbelateforschool.

7、Ifyoudontgetupearly,youwontcatchupwiththeearlybus.=Getupearly,andyouwillcatchupwiththeearlybus.=Getupearly,oryouwontcatchupwiththeearlybus.1. yourfriend,Illtellyou.A.comeB.willcomeC.comesD.arecoming2. Ifyougotocollege,youagoodeducation.A.willgetB.getC.getsD.got1.1wanttoknowiftheytomorrow.A.comeB.wil

8、lcomeCcomesD.camea95.Takeenoughexercise,youllbeingoodheath.A.orB.soC.butD.and5.Ifit(notrain),he(play)basketballwithmetomorrow.6.IfUncleLan(come),I(call)youup.a95.Shemustseeadentistifshe(have)atoothache.Pleasewakemeupifhe(come)back.Hurryup!Oryou(be)lateagain.10.Ifyoudontbekqyuixu(be)late.Wewontwaitfo

9、ryouyoucantarriveontime.A.untilB.whenC.afterD.if.Thechildrenwillgotothezooifit(notrain)thisSaturday.fsheworkhard,shebeabletogotocolleage.A.not,notB.wont,wonC.twont,doesnDtdpesnt,wont4.IfIruneveryday,I(be)healthier.5.Ifit(notrain),he(play)withmetomorrow.6.Shemustseeadentistifshe(have)atoothache.7.Studyhard,oryou(notpass)thetest.8.Ifyou(notgo)tobedearlier,youwillfeeltiredin