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1、Ifyougototheparty,youwillhaveagreattime!Ifitiscloudythisweekend,theywillgofishingIfitis…Whatwilltheydothisweekend?Ifitissunnythisweekend,theywillplayvolleyball.you___________.(tired)willbetiredyourparents________________.(benothappy)willnotbehappyyoureyes_________.(hurt)willbehurtIfyouplaycomp
2、utergamesallday.Ifhealways__________(watchTV),he____________(bored).watchesTVwillbeboredinthefuturemakealotofmoneybuyabighouseIfImakealotofmoney,Iwillbuyabighouse.IfIhaveenoughmoney,Iwilltravelaroundtheworld.IfIstudyhard,Iwillgotocollege.剑桥大学Ifweworkharder,ourdreamswillcometrue.if引导的条件状语从句时态－－
3、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,wewillgotothe
4、parktomorrow.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引导的条件状语
5、从句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.if引导的条件状语从句“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
6、,morebeautiful,Ifthereisnowar,theworldwillbemorebeautiful.she,notexerciseenough,heavierIfshedoesn’texerciseenough,shewillbeheavier.1.主将从现if引导的条件状语从句Ifhecleanstheroom,hecanget$10fromhismother.IfIwatchTVlate,Ican’tgetupearly.Ifyougetuplate,youmusttakeabustoschool.if引导的条件状语从句Ifyouaresad,pleasetal
7、kwithus.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if引导的条件状语从句if引导的条件状语从句unless除非,非……不可,表强烈的否定Youwillfailunlessyouworkharder.你不努力就会失败的。Don’tcomeunle
