人教八年級上冊英語第十單元《Section A (Grammar Focus–3c)》教學(xué)課件

SectionA(GrammarFocus–3c)Unit10Ifyougototheparty,you’llhaveagreattime!1.語言能力：能夠掌握“if”引導(dǎo)的條件狀語從句的意義和用法。2.學(xué)習(xí)能力：（1）能夠通過自主學(xué)習(xí)、合作學(xué)習(xí)的方式總結(jié)“if”引導(dǎo)的條件狀語從句的意義和用法；（2）通過完成課時任務(wù)，提升舉一反三的學(xué)習(xí)能力。3.思維品質(zhì)：（1）能夠從不同方面分析生活中遇到的問題；（2）能夠合理預(yù)判不同選擇所帶來的不同結(jié)果。用if將下列句子合并成一句話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.主祈從現(xiàn)4.Ifthetrafficlightisred,youmuststop.5.Ifyouhelpwithhousework,Icanhavearest.Youmaygetbettergradesifyouaremorecareful.主情從現(xiàn)7.Waterturnsintoiceifthetemperatureisbelowzero.8.Alllivingthingsdieifthereisnowater.9.Itsnowsifthetemperatureisreallylow.主現(xiàn)從現(xiàn)客觀現(xiàn)實10.Idon’tknowif/whetheritwillsnowtomorrow.11.Heasksmeif/whetherhecangototheconcert.12.Iamnotsureif/whetherheis12yearsold.13.Canyoutellmeif/whethersheisLisa?賓從：是否=whether思考條件狀語從句中if的作用/成分是什么？條件狀語從句中時態(tài)有哪幾種？3.If還可以引導(dǎo)什么從句？如何判斷？1.當(dāng)主句用一般將來時時，if引導(dǎo)的條件狀語從句用一般現(xiàn)在時。(主將從現(xiàn))2.如果主句是祈使句，那么從句通常也是一般現(xiàn)在時。(主祈從現(xiàn))3.如果主句含有must，can，may等情態(tài)動詞，從句多用一般現(xiàn)在時。(主情從現(xiàn))4.表示真實條件、客觀真理、自然現(xiàn)象、定理定義、民間諺語等，句型是：If+句子（一般現(xiàn)在時），主句（一般現(xiàn)在時）.(主現(xiàn)從現(xiàn))if還可以用于賓語從句中，表示“是否”（=whether），時態(tài)需根據(jù)語境確定。祈使句,and/or+將來時態(tài)的陳述句.Workhard,and

youwillmakegreatprogress.=Ifyouworkhard,youwillmakegreatprogress.Hurryup,or

youwillbelate.=Ifyoudon’thurryup,

youwillbelate.and/or與條件狀語從句Listencarefullyinclassandyouwillpasstheexam.=Ifyoulistencarefullyinclass,youwillpasstheexam.Don’twatchTVatnightoryouwillgotobedlate.=IfyouwatchTVatnight,youwillgotobedlate.unless引導(dǎo)的條件狀語從句unless意為“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，我們就去遠(yuǎn)足。Ifit_____________________,wewillgohiking.=Wewillgohiking___________________________.2.如果這塊手表不是你的，你就不能拿走它。Youcan’t_______thiswatchaway________itisyours.=Ifthiswatch_______yours,youcan’t_______itaway.3.如果你現(xiàn)在不走，你就趕不上火車了。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