Past perfect tense 牛津9A unit5grammar 过去完成时态精品课件.ppt

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1、Unit5GrammarPastperfecttense知识回顾1.Theyarrivedatthestationattenyesterday.一般过去时表示在过去时间里发生的动作或存在的状态。强调过去某一特定的时间。2.Ihavelearned1000Englishwordssofar.现在完成时表示的动作发生在过去，但侧重对现在产生的结果或造成的影响，与现在有关。其结构为：“助动词have（has）+过去分词”温故而知新Shehadputmostofhereffortintoballettrain

2、ingbeforesheenteredthefilmindustry.ShehadbeenamodelbeforeshebecameaHollywoodsuperstar.a.Sheputmostofhereffortintoballettraining.Whathappenedfirst?b.Sheenteredthefilmindustrya.Shewasamodel.Whathappenedfirst?b.shebecameaHollywoodsuperstar.thePastPerfectte

3、nseStructure(结构):had+pp(动词的过去分词)pp规则的:不规则的:clean—believe—study—stop—cleanedbelievedstudiedstoppedcut—buy—do—come—cutboughtdonecome过去完成时的概念:Shehadputmostofhereffortintoballettrainingbeforesheenteredthefilmindustry.ShehadbeenamodelbeforeshebecameaHollywoo

4、dsuperstar.过去完成时表示在过去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（thepastpast）”。——————∣—————∣—————→∣——→nowfuturepastthepastpast(beforethepast)1.WestartedtolearnEnglish5yearsago.一般过去时表示在过去某时发生的动作或存在的状态。2.WehavelearnedEnglishfor5years.现在完成时表示的动作发生在过去，但侧重对现在产生的结果或造成的影响，与现

5、在有关。其结构为：“助动词have（has）+过去分词”5yearsagonow5yearsagohavelearnednowRevisionCompletethetableusingthepastperfecttense.VerbPastperfecttenseVerbPastperfecttenseacthelpbeopenbeginseebringsinghadactedhadbeenhadbegunhadbroughthadhelpedhadopenedhadseenhadsung过去完成时表

6、示在过去某个时间或动作之前已经发生或完成了的动作或存在的状态即“过去的过去（past-in-the-past）”。pastinthepastpastnow过去完成时的概念与结构特点:had+doneMillieranbacktoschoolbecauseshehadlefthermagazineintheclassroom.Whathappenedfirst?a.Millieranbacktoschool.b.Millielefthermagazineintheclassroom.PracticeWe

7、hadlearnedEnglishfor4yearsbylastyear.5yearsagolastyearnowhadlearnedSimonleftschoollatebecausethefootballgamehadstartedlate.Whathappenedfirst?a.Simonleftschoollate.b.Thefootballgamestartedlate.Whathappenedfirst?Danielarrivedoutofbreath–hehadgonetothewron

8、gcinema.a.Danielarrivedoutofbreath.b.Danielwenttothewrongcinema.Whathappenedfirst?Amyhadlostherpurseandhadtogotothepolicestation.a.Amylostherpurse.b.Amywenttothepolicestation.Connecttwosentenceswith“before”、“when”、“after”1.Ifinis