过去完成时+开课.ppt

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1、PastperfecttenseLet’sgetthisclassstarted!SisterFuRong___________(be)veryfatbeforeshetriedhardtoloseweight.hadbeenusedtobefattriedhardtoloseweightbeslimnowAftermysister__________(eat)allmyfood,Iwokeup.hadeatenasleepeatingmyfoodwhileIwasasleepwokeupSisterFuRonghadbeenveryfa

2、tbeforeshetriedhardtoloseweight.Whathappenedfirst?a.SisterFuRonghadbeenveryfatb.shetriedhardtoloseweight.PresentPastshetriedhardtoloseweightSisterFuRonghadbeenveryfat过去的过去Aftermysisterhadeatenallmyfood,Iwokeup.Whathappenedfirst?a.Mysisterhadeatenallmyfood.b.Iwokeup.PastPr

3、esentIwokeupMysisterhadeatenallmyfood过去的过去Discussion:ThestructureofthePastperfecttense:（结构）2.ThedefinitionofthePastperfecttense:（定义）FormhaddoneWhentouseThepastperfecttenseisoftenusedwiththesimplepasttense.Ifoneactionhappensbeforeanotherinthepast,thepastperfecttenseisused.

4、presentpastThepastperfecttenseshowsus过去的过去1.到上学期末，我们已经学了1500个单词。2.当他到学校时，他意识到把作业忘在家里了。3.当我到达车站时，火车已经开走了。4.在他们结婚之前，他们已经认识20年了。.Bytheendoflastterm,wehadlearnt1500words.Whenhegottoschool,herealizedthathehadforgottenhishomeworkathome.BythetimeIgottothestation,thetrainhadalrea

5、dyleft.Theyhadknowneachotherfor20yearsbeforetheygotmarriedSummay:一、主语＋过去完成时①when引导的从句②bythetime引导的从句③before引导的从句④by短语＋从句谓语动词为_____________式一般过去BythetimeRuoXiopenedhereyes,she____________(cross)toQingDynasty.hadcrossedWegotthereat7:00Thebusleftat6:59Whenwegotthere,thebus__

6、_____________(go).hadalreadygoneWannagotothetoliet?Sorry.I_________(be)therebeforeyouasked.hadbeen二1.主语＋had＋hardly＋过去分词＋when＋主语＋一般过去时。（一……就……）2.主语＋had＋nosooner＋过去分词＋than＋主语＋一般过去时。（一……就……）例如：①他们一到家，天就下起雨来。Theyhadnosoonergothomethanitbegantorain.Hehadhardlygottothestationwh

7、enthebusleft.②他一到车站，车就开走了。我们一到操场天就下雨了。nosooner…than……；hardly…when…We_______________totheplayground_____itrained.We___________________totheplayground_____itrained.hadhardlygotwhenhadnosoonergotthan______gotintotheroom，______thetelephonerang.A.Hehardlyhad；thenB.Hardlyhadhe

8、；whenC.Hehadnot；thatD.Nothadhe；when解析：正确答案为B。当否定词hardly，nosooner放在句首时，主谓要倒装。他一到家，电话就响了。1.Ihadmea