完整版条件状语从句PPT课件

Ifitiscloudythisweekend,theywillgofishingIfitis…Whatwilltheydothisweekend?Ifitissunnythisweekend,theywillplayvolleyball.•you___________.(tired)willbetired•yourparents________________.(benothappy)willnotbehappy•youreyes_________.(hurt)willbehurtIfyouplaycomputergamesallday.Ifhealways__________(watchTV),he____________(bored).watchesTVwillbeboredinthefuturemakealotofmoneybuyabighouseIfImakealotofmoney,Iwillbuyabighouse.IfIhaveenoughmoney,Iwilltravelaroundtheworld.IfIstudyhard,Iwillgotocollege.剑桥大学if引导的条件状语从句时态－－主将从现主句一般将来时，从句一般现在时例句１如果你努力工作，你的梦想将会实现．Ifyouworkhard,yourdreamwillcometrue.例句２如果明天下雨，我将不出去散步．Ifitrainstomorrow,Iwon’tgooutforawalk.If引导条状语从句时，从句中用一般现在时代替一般将来时。Ifhe______(go)tothemovies,hewon’tfinishhiswork.goesIfI________(become)adoctor,Icanhelpothers.becomeIfwe_______(have)time,wewillgototheparktomorrow.have如果你去，我也去。Ifyougo,Iwillgo.如果明天下雨，请带雨衣。Pleasetakearaincoatifitrains.1.If(如果……)引导的条件状语从句,主句用一般将来时,从句用一般现在时.（主将从现）Iwon’tgobyplaneifitrainstomorrow.Ifyoudon’thurry,you’llmissthetrain.注意:从句放在主句之前或主句之后.如放在主句之前,要用逗号与主句隔开.If引导的宾语从句,常译为是否,应注意时态变化.Idon’tknowifhewillcometomorrow.If后紧跟的句子叫从句,另一个句子叫主句,主句和从句次序可以互相调换。Ifyoustudyhard,you’llgetgoodgrades.You’llgetgoodgradesifyoustudyhard.“主将从现”不仅在if条件句,也用在其它时间状从:（1）until引导的时间状语从句Thebuswon’tstartuntileverybodygetson.公共汽车直到每人都上车为止，才开动。（2）assoonas（一…就）引导的时间状语Mikewilltellyouassoonashecomes.Mike一来就会告诉你。nowar,theworld,morebeautiful,Ifthereisnowar,theworldwillbemorebeautiful.she,notexerciseenough,heavierIfshedoesn’texerciseenough,shewillbeheavier.1.主将从现Ifhecleanstheroom,hecanget$10fromhismother.IfIwatchTVlate,Ican’tgetupearly.Ifyougetuplate,youmusttakeabustoschool.Ifyouaresad,pleasetalkwithus.Ifyouarehungry,pleaseeatsomefood.PleasecallmeifhecomesnextSunday.3.主句是祈使句2.主句含有情态动词结论:If引导的条件状语从句中:从句用一般现在时态;主句有三种情况一般将来时态含情态动词的祈使句unless除非,非……不可,表强烈的否定Youwillfailunlessyouworkharder.你不努力就会失败的。Don’tcomeunlessIcallyou.我不叫你就别来注意:unless表示否定,从句的谓语要用肯定式误:Unlessyoudon’tworkhard,youwillfail.正：Unlessyouworkhard,youwillfail.正：Ifyoudon’tworkhard,youwillfail.DearJenny,Thanksforinvitingmetotheparty.Ofcoursepresent,youarehappy.Ihopeitwon’trainthatday.②Becauseifitwon’train,mylittlesonwillcome,too.③Ifhecomes,youaren’tdisappointed,heisreallyfunny.④OK,seeyouontheparty.Yours,willbedoesn’tgivewon’tbeI’llgototheparty.AndIthinkifIwillgiveyoua①Pleasehelpmecorrectthesentences.RoseCorrectandWrite1.用所给词的正确形式填空。1.Ifyou__(be)late,theteacherwillbeangry.2.He___________(become)asoccerplayerifheworkshard.3.You_______(be)famousifyousingwell.arewillbecomewillbe1.Iftheyhavetheparty,(他们会玩得高兴)__________________2.Ifyougetuplate,(你会上学迟到)___________________3.Ifyoudon’tgotoschool,(你父母会担心)_________________4.Ifwefinishourhomeworkontime,(老师会让我们踢球)_______________________theywillenjoythemselves.youwillbelateforschool.yourparentswillbeworried.ourteacherwillletusplayfootball.Exercises1.ThestudentswillgototheSummerPalaceifit___________(notrain)tomorrow.2.Ifhe_________(walk)toschool,he’llbelate.3.Ifshelikesit,she__________(read)itsoon.4.Ifyouplaycomputergamesonweekdays,you_________(be)tired.doesn’trainwalkswillreadwillbe5.Ifyou______(work)hard,yourdreamwillcometrue.6.Ifshe______(study)hard,ShewillgotoBeijingUniversity.7.Ifit_____(rainy)tomorrow,Iwillplaythepiano.8.IfI_____(have)muchmoneyinthefuture,Iwilltravelallovertheworld.studiesisrainyhavework1.I’msureifhe_____(go)totheparty,he________(have)agreattime.2.Iftherain_______(stop)tonight,wewillgotothecinema.3.I’llbuyacomputerifI______(have)enoughmoney.4.You_________(notget)nervousifyou_____(do)enoughexercise.goeswillhavestopshavewon’tgetdo用括号内所给词的正确形式填空5.Ifshe____(be)kindtome,I__________(notargue)withher.6.Iwanttoknowifhe________(come)tomorrow,ifhe_______(come),I__________(give)themassagetohim.7.Ifyou_____(pay)moreattentiontothat,he_________(notget)injured.iswon’targuewillcomecomeswillgivewon’tgetpay选择题：1.Whowantstobuythebook?Mary_____A.doB.didC.doesD.doing2.TheywillgototheGreatWallifit____raintomorrow.A.doesn’tB.won’tC.isn’tD.don’t3.Ifhe_____heretomorrow,I’llmeethim.A.comeB.willcomeC.comesD.came4.I’mgoingtoGuilinforvacation______A.GoodByeB.IsthattrueC.ReallyD.Haveagoodtime5.Ifshelikesit,she____itsoon.A.readB.readsC.willreadD.reading6.IfI_____muchmoneyinthefuture,Iwilltravelallovertheworld.A.haveB.hasC.havingD.willhave7.Ifyouplaycomputergamesonweekdays,you_______tired.A.areB.willC.beD.willbe8.Ifshe_____hard,ShewillgotoBeijingUniversity.A.studyB.willstudyC.studiesD.isstudyingACDACCDC