人教版英语八年级下册现在完成时重点讲解20PPT.pptx
学习目标,CourseObjectives,1.掌握现在完成时的用法和结构,2.掌握现在完成时的基本应用,目录,Catalog,1现在完成时的用法2现在完成时的结构3综合练习4课堂总结,PART01,现在完成时的用法,现在完成时的用法,复习,目前我们学过哪些时态？,now,future,past,现在完成时的用法,现在完成时的两个用法,强调过去发生的动作或状态对现在造成的影响或结果。动作从过去一直持续到现在并且可能继续延续下去。,now,future,past,PART02,现在完成时的结构,现在完成时的结构,主语+have/has+done+其他.(肯定句)主语+have/has+not+done+其他.(否定句)Have/has+主语+done+其他?(一般疑问句)Ihavefinishedmyhomework.,现在完成时的结构,Idontwanttogowithyou.Ihaveseenittwice.Isawittwicelastweek.IhavelivedinBeijingfortenyears.,分析,现在完成时的结构,时间状语,Wehaventusedourcarforalongtime.HehaslivedinBeijingsincehewasalittleboy.HehaslivedinBeijingsince1986.,现在完成时的结构,常与already,just,yet,ever,never和before等标志词连用,Ihavealreadylostthekey.(我现在没有钥匙)Ihavejustcleanedmyhands.(手是干净的)Hehasntcomebackyet.(还没回来),already:常用于肯定句中just:常用于肯定句中yet:常用于否定句、疑问句尾,现在完成时的结构,练习,I_(finish)myhomeworkalready.2.ThisisthebestfilmI_ever_(saw).3.They_theirhomeworkyet.(finish)4.I_(see)herbefore,butIcantrememberwhere.5.I_(see)herlastweek.,现在完成时的结构,结构辨析,have/hasbeento+地点“去过，已回”have/hasgoneto+地点“去了，未回”,TheyhavebeentoBeijing.TheyhavegonetoBeijing.,1.MayIspeaktoMr.Smith?Sorry,heisnthere.He_Changsha.A.hasbeentoB.hasgonetoC.wentto,2.Whereisyourbrother?He_theshop.Hellbebacksoon.3._youever_toAmerica?Yes,I_NewYorktwice.,练习,PART03,综合练习,综合练习,1.Congratulations!Youtheexam.A.passB.willpassC.passedD.havepassed2.Icantjoinyou.Imyhomework.A.dontfinishB.haventfinishedC.didntfinishD.wontfinish3.WhereisTom？HeShanghai.Hewillbebackintwoweeks.A.hasbeentoB.hasgonetoC.hasbeeninD.hasgonein,综合练习,4.I_Mr.SmithsincehemovedtoShanghai.A.didnthearfromB.donthearfromC.wonthearfromD.haventhearfrom5.He_inthisfactoryfor20yearsalready.A.willworkB.worksC.hasworkedD.isworing6.ZhangHongwenttoCanadain2008.He_therefor10years.A.livedB.livesC.islivingD.haslived,综合练习,7.Isyourmotherateacher?Yes,sheis.She_atajuniorhighschool.A.taughtB.teachesC.willteachD.isteaching8.Donttalkloudlyhere.Mylittlebaby_.A.hasgoneoutB.issleepingC.sleepsD.wenttoschool9.MayIseeMr.Lin,please?Well,Imafraidhesnotinatthemoment.Ithinkhe_backsoon.A.cameB.hascomeC.willbeD.was10.HaveyoureadabookcalledJaneEyre?Who_it?A.writesB.haswrittenC.waswritingD.wrote,拓展短暂性动词和延续性动词,概念,拓展短暂性动词和延续性动词,短暂性动词与延续性动词的转换,leave-beawaygo-bethereborrow-keepfinish-beoverdie-bedeadstart/begin-beonjoin-bein/beamemberofarrive/reach-be(in)buy-havecome-behere,拓展短暂性动词和延续性动词,巩固练习,1、-Theboymisseshisparentsverymuch.-Sohedoes.They_thehometownfornearlytwoyears.A.haveleftB.willleaveC.havebeenaway2、Hisfather_thePartysince1998.A.joinedB.hasjoinedC.wasinD.hasbeenin3、Hurryup!Theplay_fortenminutes.A.hasbegunB.hadbegunC.hasbeenonD.began,课堂总结,
