if条件状语从句--语法--好用

If从句（条件状语从句）Ifitisfinetomorrow,Iwillclimbthemountain.Ifitissunnythisweekend,whatwillyoudo?Ifitissunnythisweekend,I__________footballwithmyclassmates.willplayIfitissunnythisweekend,whatwon’tyoudo?Ifitissunnythisweekend,I_____________________.Ifitissunnythisweekend,I_____________________.Won’tstayathomewon’twatchtelevisionIfyouhaveenoughpocketmoney,whatwillyoubuy?•IfIhaveenoughpocketmoney,•I____________________.IfIdon’tfinishmyhomework,Iwon’tgotobed.由if引导的从句叫条件状语从句，if意为“如果”当主句是一般将来时时，if引导的从句必须用现在时来表示将来可能发生的动作或存在的状态。（“主”将从“现”）IfIgetuplate,Iwillbelateforschool.=IwillbelateforschoolifIgetuplate.Grammar条件状语从句•1.主将从祈•2.主将从现if…will/won’t•3.主情（can，may，should，must）从现IfI’mhungry,Iwill______________.IfI’mtired,Iwill_____________.LookandsayeatsomefoodhavearestIfyoufeelhungry,youshouldeatsomething.Ifyoufeeltired,youmusthavearest.IfI’mill,__________________.IwillseeadoctorLookandsayIfI’mlate,_________________.IwillsaysorryIfyouareill,youshouldgotoseeadoctor.Ifyouareridingabikeinthestreet,youmustbeverycareful.Ifitrainstomorrow,I_____________________.willwatchTVathomeIfit_____________tomorrow,________________.I’llplaybasketballdoesn’trainIwon’t________________.playbasketballIfyouarefreethisweekend,whatwillyoudo?IfIamfree,…sleepwatchTVplaycomputergamespracticeCompletethesentenceswiththecorrectformofthewords.1.Ifyou_______(listen)tothemusic,_____(buy)aCD.2.Ifhe______(be)lateforschool,______(notwait)forhim.3.Ifyou____(buy)anewcamera,____(get)agoodone.4.Ifthelight____________(notcome)on,____(wait)foroneminute.isbuygetdoesn’tcomewaitdon’twaitlistenbuye.g.1.Ifyoudon’tgetupearly,youwillbelateforschool.你如果不早点起床，上学就会迟到。2.Ifyoufinishthehomework，youcangohome．如果你作业做完了就可以回家了。