SectionAUnit10Ifyougototheparty,you’llhaveagreattime!Ifyou’rehappyandyouknowitclapyourhands（拍手）Ifyou’rehappyandyouknowitstompyourfeet（跺脚）Ifyou’rehappyandyouknowitshut"hurray"（吼“hurray"）Ifyouarehappy,whatwillyoudo?A:Ifyouarehappy,whatwillyoudo?B:IfI’mhappy,Iwill___singasongWatchTVplaysportsdancegototravelplaycomputerwatchcartoonIfheishappy,hewill…Let’sguessplaytheguitarIfsheishappy,shewill......eatsomefoodIfheishappy,hewill…singasongIftheyarehappy,theywill…dancePlayaguessinggameWhatwillhappenifItouch(触摸)it?Ifyoutouch(触，碰)it,itwill______getangryWillit…?crybehappybeexcited•Whendoyougetuponweekends?•Whatwillhappenifyougetupat9:00thismorning?•IfIgetupat9:00,Iwillbelate.•Whatwillhappenifyouarelate?•IfIamlate,myteacherwillbeangrywithme.•Whatwillhappenifyourteacherisangrywithyou?•Ifmyteacherisangrywithme,Iwillbesad.•Whatwillhappenifyouaresad?•IfIamsad,Iwillchatwithmyfriends.(和朋友闲聊)If句型•If意为如果，表示条件，if引导的句子是从句，用现在时态，主句则用将来时态。也就是所谓的“主将从现”。•Ifyoueatlessjunkfood,youwillbehealthier.•Ifyouworkhard,youwillgetgoodgrades.•Ifyoucometoschoollate,yourteacherwillbeangrywithyou.if“如果”，引导的条件状语从句1时态－－主将从现主句一般将来时，从句一般现在时2条件状语从句通常由连词if引导，意为“如果、假如”，主句不能用begoingto表示将来，而应该用will,shall(主语为第一人称）1.Ifshe(come)heretomorrow,I(ask)hertocallyou.2.Ifwe(work)harder,we(get)bettergrades.comeswillaskworkwillgetWhatwillhappenifyousleepinclass?IfI_____inclass,I________(get)badgrades.IwillgetbadgradesifIsleepinclass.sleepwillget温馨提示:if引导的条件状语从句既可放在主句前,也可放在主句后.从句置于主句前时,须有逗号与主句隔开,反之则不用逗号.IfI____computergamesonweekdays,I_____(be)verytiredinclass.I’llbeverytiredinclassifIplaycomputergamesonweekdays.Whatwillhappenifyouplaycomputergamesonweekdays?playwillbeIfI_____hard,I_____(get)goodgrades.IwillgetgoodgradesifIstudyhard.Whatwillhappenifyoustudyhard?studywillgetparty!Doyouwanttojointheparty...
