初中英语if条件状语从句ppt课件

.,Ifweworkharder,ourdreamswillcometrue.,.,DearJenny,Thanksforinvitingmetotheparty.Ofcourse,present,youarehappy.Ihopeitwontrainthatday.,Becauseifitwontrain,mylittlesonwillcome,too.,Ifhecomes,youarentdisappointed,heisreallyfunny.,OK,seeyouontheparty.,Yours,willbe,doesnt,give,wontbe,Illgototheparty.AndIthinkifIwillgiveyoua,Pleasehelpmecorrectthesentences.,Rose,CorrectandWrite,.,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,例句如果你努力工作，你的梦想将会实现,Ifyouworkhard,yourdreamwillcometrue.,例句如果明天下雨，我将不出去散步,Ifitrainstomorrow,Iwontgooutforawalk.,.,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,hewontfinishhiswork.,goes,IfI_(become)adoctor,Icanhelpothers.,become,Ifwe_(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）Iwontgobyplaneifitrainstomorrow.Ifyoudonthurry,youllmissthetrain.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.Idontknowifhewillcometomorrow.,.,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,youllgetgoodgrades.,Youllgetgoodgradesifyoustudyhard.,“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Thebuswontstartuntileverybodygetson.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,heavier,Ifshedoesntexerciseenough,shewillbeheavier.,1.主将从现,.,Ifhecleanstheroom,hecanget$10fromhismother.IfIwatchTVlate,Icantgetupearly.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,.,Exercises,ThestudentswillgototheSummerPalaceifit_(notrain)tomorrow.Ifhe_(walk)toschool,hellbelate.Ifshelikesit,she_(read)itsoon.Ifyouplaycomputergamesonweekdays,you_(be)tired.,doesntrain,walks,willread,willbe,.,5.Ifyou_(work)hard,yourdreamwillcometrue.6.Ifshe_(study)hard,ShewillgotoBeijingUniversity.7.Ifit_(rainy)tomorrow,Iwillplaythepiano.8.IfI_(have)muchmoneyinthefuture,Iwilltravelallovertheworld.,studies,israiny,have,work,.,1.用所给词的正确形式填空。1.Ifyou_(be)late,theteacherwillbeangry.2.He_(become)asoccerplayerifheworkshard.3.You_(be)famousifyousingwell.,are,willbecome,willbe,.,1.Imsureifhe_(go)totheparty,he_(have)agreattime.2.Iftherain_(stop)tonight,wewillgotothecinema.3.IllbuyacomputerifI_(have)enoughmoney.4.You_(notget)nervousifyou_(do)enoughexercise.,goes,willhave,stops,have,wontget,do,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.,is,wontargue,willcome,comes,willgive,wontget,pay,.,Exercise,选择题：1.Whowantstobuythebook?Mary_A.doB.didC.doesD.doing2.TheywillgototheGreatWallifit_raintomorrow.A.doesntB.wontC.isntD.dont3.Ifhe_heretomorrow,Illmeethim.A.comeB.willcomeC.comesD.came4.ImgoingtoGuilinforvacation_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.isstudying,A,C,D,A,C,C,D,C,.,Goodbye!,Goodbye!,Goodbye!,Goodbye!,Goodbye!,Goodbye!,Goodbye!,Goodbye!,Goodbye!,Goodbye!,Goo