人教八年级上册英语第十单元《Section A (Grammar Focus–3c)》教学课件

SectionA(GrammarFocus–3c)Unit10Ifyougototheparty,you’llhaveagreattime!1.语言能力：能够掌握“if”引导的条件状语从句的意义和用法。2.学习能力：（1）能够通过自主学习、合作学习的方式总结“if”引导的条件状语从句的意义和用法；（2）通过完成课时任务，提升举一反三的学习能力。3.思维品质：（1）能够从不同方面分析生活中遇到的问题；（2）能够合理预判不同选择所带来的不同结果。用if将下列句子合并成一句话Itwillbesunnytomorrow.Iwillgooutwithmyfriend.Ifitissunnytomorrow,Iwillgooutwithmyfriend.Iwillgooutwithmyfriendifitissunnytomorrow.Lead-inGrammarFocusIthinkI’lltakethebustotheparty.Ifyoudo,you’llbelate.IthinkI’llstayathome.Ifyoudo,you’llbesorry.Whatwillhappeniftheyhavethepartytoday?Iftheyhaveittoday,halftheclasswon’tcome.Shouldweaskpeopletobringfood？Ifweaskpeopletobringfood,they’lljustbringpotatochipsandchocolate.1.Callmeifyouneedanyhelp.2.Don’tgooutifitrainstomorrow.3.IfIamlate,pleasedon’twaitforme.主祈从现4.Ifthetrafficlightisred,youmuststop.5.Ifyouhelpwithhousework,Icanhavearest.Youmaygetbettergradesifyouaremorecareful.主情从现7.Waterturnsintoiceifthetemperatureisbelowzero.8.Alllivingthingsdieifthereisnowater.9.Itsnowsifthetemperatureisreallylow.主现从现客观现实10.Idon’tknowif/whetheritwillsnowtomorrow.11.Heasksmeif/whetherhecangototheconcert.12.Iamnotsureif/whetherheis12yearsold.13.Canyoutellmeif/whethersheisLisa?宾从：是否=whether思考条件状语从句中if的作用/成分是什么？条件状语从句中时态有哪几种？3.If还可以引导什么从句？如何判断？1.当主句用一般将来时时，if引导的条件状语从句用一般现在时。(主将从现)2.如果主句是祈使句，那么从句通常也是一般现在时。(主祈从现)3.如果主句含有must，can，may等情态动词，从句多用一般现在时。(主情从现)4.表示真实条件、客观真理、自然现象、定理定义、民间谚语等，句型是：If+句子（一般现在时），主句（一般现在时）.(主现从现)if还可以用于宾语从句中，表示“是否”（=whether），时态需根据语境确定。祈使句,and/or+将来时态的陈述句.Workhard,and

youwillmakegreatprogress.=Ifyouworkhard,youwillmakegreatprogress.Hurryup,or

youwillbelate.=Ifyoudon’thurryup,

youwillbelate.and/or与条件状语从句Listencarefullyinclassandyouwillpasstheexam.=Ifyoulistencarefullyinclass,youwillpasstheexam.Don’twatchTVatnightoryouwillgotobedlate.=IfyouwatchTVatnight,youwillgotobedlate.unless引导的条件状语从句unless意为“除非”，和if…not的意思相近Ifyoudon’tfinishyourhomework,Iwon’tletyouplayoutside.=Unlessyoufinishyourhomework,Iwon’tletyouplayoutside.1.如果明天不下雨，我们就去远足。Ifit_____________________,wewillgohiking.=Wewillgohiking___________________________.2.如果这块手表不是你的，你就不能拿走它。Youcan’t_______thiswatchaway________itisyours.=Ifthiswatch_______yours,youcan’t_______itaway.3.如果你现在不走，你就赶不上火车了。Ifyou______________,you__________________thetrain.=___________________,youwon’tcatchthetrain.unlessitrainstomorrowdoesn’traintomorrowdon’tleavenowUnlessyouleavenowwon’tcatch/willmissunlessisn’ttaketake1.Ithinkmymother________ifshe_______freetomorrow.A.willcome;isB.comes;isC.comes;willbeD.willcome;willbe2.Ifshelikesit,she_______itsoon.A.readB.readsC.willreadD.readingAC3.Hewillgooutwithyouafterhe_______hishomework.A.finishesB.willfinishC.isfinishingD.finishAExercises1.Ifyou______hurryup,you_________late.

=You______late_______youhurryup.2._______you_____(want)tomeetme,_____(call)me.3.Youcan_____(pass)theexamifyou________(prepare)forit.4.IfIhaveadream,I__________(keep)workingonitseriously.5.—Joinusifit_________sunnythisweekend.—I’dloveto.Butnobodyknowsifit_________sunny.6.Marywalksthedogeveryday______badweatherstopsher.7.Ifshe___________setoutnow,she_________late.=She_________late_______shesetsoutnow.8.Ifyou_______(jump)onthemoon,you________(jump)higher.don’twillbewillbeunlessIfcallwantpasspreparewillkeepiswillbeunlessdoesn’twillbewillbeunlessjumpjumpWedon’ttaketherocket.Wecan’tflyintospace.Tobecomethetopstudents,youmuststudyhard.Ihaveenoughtime.Imakefullpreparationsforthefinalexam.Iwon’tplaybasketball.Itwillraintomorrow.Ifwedon’ttaketherocket,wecan’tflyintospace.Wecan’tflyintospaceunlesswetaketherocket.Youmuststudyhardifyouwanttobecomethetopstudents.Unlessyoustudyhard,youcan’tbecomethetopstudents.IfIhaveenoughtime,Iwillmakefullpreparationsforthefinalexam.Iwon’tplaybasketballifitrainstomorrow.DearSuMei,Idon’t_______(know)whatto______(do)aboutgoingtoMike’sbirthdaypartytomorrownight.Myparents______(think)IshouldstudyformyEnglishexamnextweek.IfI_____(go)totheparty,they______(be)upset.Mike______(tell)ustowearniceclothes,butIdon’t______(have)any.IfI______(wear)jeans,I_______(look)theworst.Also,I’mnotsurehowto______(go)totheparty.IfI_______(walk),it________(take)metoolong.IfI_______(take)ataxi,it_______(be)tooexpensive.Canyougivemesomeadviceplease?Tina3aFillintheblankswiththecorrectformsoftheverbsinbrackets.knowdothinkgowillbetoldhaveweargowalkwilltaketakewillbewilllook3bCompletethesentencesusingyourownideas.1.IfIgetuplatetomorrow,___________________________2.IfIdon’tfinishmyhomework,______________________3.IfIdon’tgetenoughexercise,_______________________4.Iwillnothaveenoughtimetostudyif____________________________________________5.Iwillnotmakeanyfriendsif_______________________________________I’ll