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1、英语教学课件八年级上册SectionAPeriodTwoUnit10Ifyougototheparty,you'llhaveagreattime!upsettaxiadviceadj.难过；失望；沮丧n.出租汽车；的士n.劝告；建议WordsreviewIfit_____tomorrow,I________athome.rainswillstayLookandsayYoushouldn’twalktoschool.Ifyou_____thebustoschool,you_________late._____youwalktoschool,you______late.Ifwillbetak
2、ewon’tbeIfyougototheparty,you’llhaveagreattime.IfyouwatchTVeverynight,yourparentswillbemadatyou.aguessinggameWhatwillhappenifItouch(触摸)it?Ifyoutouch(碰)it,itwill______.getangryWillit…?ObjectivesTopracticethesentencestructures:If…,you’ll…—Whatwillhappenifthey…—Ifthey...,…will/won’t…—Shouldwe…?—Ifwe
3、…,they’ll…HaveALk1.—IthinkI’lltakethebustotheparty.—Ifyoudo,you’llbelate.2.—IthinkI’llstayathome.—Ifyoudo,you’llbesorry.3.—Whatwillhappeniftheyhavethepartytoday?—Iftheyhaveittoday,halftheclasswon’tcome.4.—Shouldweaskpeopletobringfood?—Ifweaskpeopletobringfood,they’lljustbringpotatochipsandchocola
4、te.1.—IthinkI’lltakethebustotheparty.—Ifyou_____(do),you__________(be)late.2.—IthinkI’llstayathome.—Ifyou_____(do),you___________(be)sorry.3.—Whatwillhappeniftheyhavethepartytoday?—Ifthey______(have)ittoday,halftheclass____________(notcome).4.—Shouldweaskpeopletobringfood?—Ifwe_____(ask)peopletob
5、ringfood,they______just_____(bring)potatochipsandchocolate.dowillbedowillbehavewon’tcomeaskwillbringgoReady?由引导词if或unless等引导的状语从句叫条件状语从句。条件状语从句if从句主句位置：if引导的条件状语从句，既可放在主句之前，也可放在主句之后。当从句置于主句之前时，常用逗号与主句隔开。Ifyoutakethebustotheparty,youwillbelate.这个句子可以改写为：Youwillbelateifyoutakethebustotheparty.if从句主
6、句时态：应遵循“主将从现”的原则，即：如果主句是一般将来时，从句用一般现在时。Ifshecomestoseemetomorrow,I’llbehappy.Ifitsnowstomorrow,Iwillnotgotothepark.注意：当主句中包含can,may,must等情态动词时，从句也常用一般现在时。仿照例子把两句话合成一句话。Example:a.Youthinkyou’regoingtovisitNewYorkCity.b.Youwillseesometallbuildings.→IfyougotovisitNewYorkCity,you’llseesometallbuildin
7、gs.1.a.Youthinkyou’regoingtostudyEnglishhard.b.YouwilldobetterinEnglish.2.a.Youthinkyou’regoingtoeatanddrinkmore.b.Youwillbefatter.→IfyoustudyEnglishhard,you’lldobetterinEnglish.→Ifyoueatanddrinkmore,you’llbefatter.3.a
