人教版英语八年级下册现在完成时重点讲解 20课件

学习目标CourseObjectives1.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学习目标CourseObjectives1.掌握现在完成目录Catalog1现在完成时的用法2现在完成时的结构3综合练习4课堂总结目录Catalog1现在完成时的用法PART01现在完成时的用法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？nowfuturepast现在完成时的用法[复习]目前我们学过哪些时态？nowfutu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。nowfuturepast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PART02现在完成时的结构PART02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.

现在完成时的结构主语+have/has+done+其他现在完成时的结构Idon'twanttogowithyou.Ihaveseenittwice.Isawittwicelastweek.IhavelivedinBeijingfortenyears.

[分析]现在完成时的结构Idon'twanttogowit现在完成时的结构[时间状语]for+时间段since+时间点句子Wehaven’tusedourcarfor

alongtime.HehaslivedinBeijingsincehewasalittleboy.HehaslivedinBeijingsince1986.现在完成时的结构[时间状语]for+时间段since+时间点现在完成时的结构[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)Hehasn'tcomebackyet.(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[常与already,just,yet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,butIcan'trememberwhere.5.I____________(see)herlastweek.现在完成时的结构[练习]I____________(fi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,heisn’there.He______Changsha.A.hasbeentoB.hasgonetoC.wentto2.—Whereisyourbrother?

—He____________theshop.He’llbebacksoon.3.—______youever_________toAmerica?

—Yes,I___________NewYorktwice.[练习]现在完成时的结构[结构辨析]have/hasbeenPART03综合练习PART03综合练习1.Congratulations!You

theexam.A.passB.willpassC.passedD.havepassed

2.Ican’tjoinyou.I

myhomework.A.don’tfinishB.haven’tfinishedC.didn’tfinishD.won’tfinish3.—WhereisTom？

—He

Shanghai.Hewillbebackintwoweeks.A.hasbeentoB.hasgonetoC.hasbeeninD.hasgonein综合练习1.Congratulations!You综合练习4.I______Mr.SmithsincehemovedtoShanghai.A.didn'thearfromB.don'thearfromC.won'thearfromD.haven'thearfrom5.He______inthisfactoryfor20yearsalready.A.willworkB.worksC.hasworkedD.isworing6.ZhangHongwenttoCanadain2008.He_____therefor10years.

A.livedB.livesC.islivingD.haslived综合练习4.I______Mr.Smithsince综合练习7.—Isyourmotherateacher?—Yes,sheis.She______atajuniorhighschool.A.taught B.teaches C.willteachD.isteaching8.Don’ttalkloudlyhere.Mylittlebaby______.A.hasgoneout B.issleeping C.sleeps D.wenttoschool9.—MayIseeMr.Lin,please?—Well,I’mafraidhe’snotinatthemoment.Ithinkhe______backsoon.A.came B.hascome C.willbe D.was10.—HaveyoureadabookcalledJaneEyre?—Who______it?A.writes B.haswritten C.waswriting D.wrote综合练习7.—Isyourmotherateache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[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[短暂性动词与延续性动词的转换]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拓展—短暂性动词和延续性动词[巩固练习]1、-Theboy课堂总结课堂总结学习目标CourseObjectives1.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学习目标CourseObjectives1.掌握现在完成目录Catalog1现在完成时的用法2现在完成时的结构3综合练习4课堂总结目录Catalog1现在完成时的用法PART01现在完成时的用法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？nowfuturepast现在完成时的用法[复习]目前我们学过哪些时态？nowfutu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。nowfuturepast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PART02现在完成时的结构PART02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.

现在完成时的结构主语+have/has+done+其他现在完成时的结构Idon'twanttogowithyou.Ihaveseenittwice.Isawittwicelastweek.IhavelivedinBeijingfortenyears.

[分析]现在完成时的结构Idon'twanttogowit现在完成时的结构[时间状语]for+时间段since+时间点句子Wehaven’tusedourcarfor

alongtime.HehaslivedinBeijingsincehewasalittleboy.HehaslivedinBeijingsince1986.现在完成时的结构[时间状语]for+时间段since+时间点现在完成时的结构[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)Hehasn'tcomebackyet.(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[常与already,just,yet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,butIcan'trememberwhere.5.I____________(see)herlastweek.现在完成时的结构[练习]I____________(fi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,heisn’there.He______Changsha.A.hasbeentoB.hasgonetoC.wentto2.—Whereisyourbrother?

—He____________theshop.He’llbebacksoon.3.—______youever_________toAmerica?

—Yes,I___________NewYorktwice.[练习]现在完成时的结构[结构辨析]have/hasbeenPART03综合练习PART03综合练习1.Congratulations!You

theexam.A.passB.willpassC.passedD.havepassed

2.Ican’tjoinyou.I

myhomework.A.don’tfinishB.haven’tfinishedC.didn’tfinishD.won’tfinish3.—WhereisTom？

—He

Shanghai.Hewillbebackintwoweeks.A.hasbeentoB.hasgonetoC.hasbeeninD.hasgonein综合练习1.Congratulations!You综合练习4.I______Mr.SmithsincehemovedtoShanghai.A.didn'thearfromB.don'thearfromC.won'thearfromD.haven'thearfrom5.He______inthisfactoryfor20yearsalready.A.willworkB.worksC.hasworkedD.isworing6.ZhangHongwenttoCanadain2008.He_____therefor10years.

A.livedB.livesC.islivingD.haslived综合练习4.I______Mr.Smithsince综合练习7.—Isyourmotherateacher?—Yes,sheis.She______atajuniorhighschool.A.taught B.teaches C.willteachD.isteaching8.Don’ttalkloudlyhere.Mylittlebaby______.A.hasgoneout B.issleeping C.sleeps D.wenttoschool9.—MayIseeMr.Lin,please?—Well,I’mafraidhe’snotinatthemoment.Ithinkhe______backsoon.A.came B.hascome C.willbe D.was10.—HaveyoureadabookcalledJaneEyre?—Who______it?A.writes B.haswritten C.waswriting D.wrote综合练习7.—Isyourmotherateache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[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