过去完成时讲解、全解.ppt

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1、PastperfecttenseUnit10Grammar过去完成时1.Shecleanedtheroom.2.Shelockedthedoor.——————∣—————∣—————→∣——→nowcleanedtheroomlockedthedoorBythetimeshelockedthedoor,shehadcleanedtheroom.Igotoutsidethebusleft1.Thebusleft.2.Igotoutside.BythetimeIgotoutside,thebushadleft.————

2、——∣—————∣—————→∣——→now1.Sheateanapple.2.Sheslept.——————∣—————∣—————→∣——→nowateanapplesleptBythetimesheslept,shehadeatenanapple.2.Heplayedpingpong1.Hefinishedhishomework——————∣—————∣—————→∣——→nowplayedpingpongfinishedhishomeworkBythetimeheplayedpingpong,hehadfi

3、nishedhishomeworkDiscussion:过去完成时ThestructureofthePastperfecttense:（结构）2.ThedefinitionofthePastperfecttense:（定义）had+动词的过去分词(p.p.)定义：过去完成时：表示在过去的某一时间或动作之前已经发生或完成了的动作。即：过去的过去。1.在老师进入教室前,李磊擦了黑板.LiLei______________(clean)theblackboardbythetimetheteachercameintothe

4、classroom.hadcleaned2.当我们到那儿时火车已经离开了。Thetrain__________(leave)whenwearrivedthere.hadleft构成：Dotheexercises.Millieranbacktoschoolbecauseshehadlefthermagazineintheclassroom.Whathappenedfirst?a.Millieranbacktoschool.b.Millielefthermagazineintheclassroom.Simonlefts

5、choollatebecausethefootballgamehadstartedlate.Whathappenedfirst?a.Simonleftschoollate.b.Thefootballgamestartedlate.Whathappenedfirst?Amyhadlosthercarandhadtogotothepolicestation.a.Amylosthercar.b.Amywenttothepolicestation.选择题(10’/1)Millie_______someChinesebyth

6、etimeshecametoChina.A.learnedB.haslearnedC.learntD.hadlearnedShe___________thefirstprizeinaninternationalpianocompetitionbeforeshe__________anactress.A.havewon,becameB.hadwon,becomeC.hadwon,becameD.haswon,became用所给动词的正确形式填空．(10’/1)1.He_______________(turnoff)t

7、helightsbeforehelefttheclassroom.2._________yourparents_______(have)lunchwhenyouarrivedathome?hadturnedoffHadhad用所给动词的正确形式填空．(10’/1)1.Thepoorgirlneversawhergrandpa,becausehe____________(die)beforeshewasborn.2.She________already___________(clean)theblackboardwh

8、enIenteredtheclassroom.haddiedcleanedhad翻译题(10’1)1.在我们到达电影院之前，电影已经开始了．2.踢完足球之后我买了瓶果汁．Thefilm_________________________we_____tothecinema._________I_________________football,I_______