过去完成时经典PPT文档格式.ppt
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20nowhadcleanedtheroomclosedthewindowShehadcleanedtheroombeforesheclosedthewindow.Aftershehadcleanedroom,sheclosedthewindow.1.(first)ateanapple2.(then)sleptnowhadeatenanapplesleptShehadeatenanapplebeforesheslept.Aftershehadeatenanapple,sheslept.2.(then)playedsoccer1.(first)didhishomeworknowplayedsoccerhaddonehishomeworkHehaddonehishomeworkbeforeheplayedsoccer.Afterhehaddonehishomework,heplayedsoccer.Maryranbacktoschoolbecauseshehadleftherbookintheclassroom.Whathappenedfirst?
a.Maryranbacktoschool.b.Maryleftherbookintheclassroom.Igothomenow9:
00pm8:
00pmMylittlebrotherwenttobedBythetimeI_,mylittlebrother_tobed.gothomehadgoneIgottoschoolnow8:
158:
00amTheteachercameintotheclassroomBythetimeI_,theteacher_intotheclassroom.gottoschoolhadcomeBythetimeI_,Thebusleftatfivetoeight.Igotoutsideateight.thebus_already_.wentouthadleftby:
在在之前,不迟于之前,不迟于bynoon,bytomorrow,bylastweek,by6:
00,bytheendof到到末为止末为止bythetime到到的时候的时候BythetimeIgothome,BythetimeIcamein,BythetimeIgottoschool,Bythetimeshegotoutside,thebushadalreadyleft.她出去的时候她出去的时候,公共汽车已经开走了公共汽车已经开走了.bythetime意思是意思是“到到的时候的时候”,相当于相当于when引导的从句引导的从句,后接后接过去时过去时的句子时的句子时,主语的谓语动词用主语的谓语动词用had+过去分词,过去分词,也就是过去完成时也就是过去完成时.Igothomenow9:
00pmMylittlebrotherwenttobedBythetimeIgothome,mylittlebrotherhadgonetobed.弟弟上床睡觉在我回家之前。
弟弟上床睡觉在我回家之前。
Igottoschoolnow8:
00amTheteachercameintotheclassroomBythetimeIgottoschool,theteacherhadcomeintotheclassroom.老师进入教室在我到达学校之前。
老师进入教室在我到达学校之前。
When/BythetimeBefore/After+过去时态+从句过去完成时态主句thepolicemangettotheshopTomrunawayBythetimethepolicemangottotheshop,nowTomhadrunawayLiuMeiwakeuptheconcertbeoverBythetimeLiuMeiwokeup,theconcerthadbeenover.now20112012learn4000EnglishwordsBytheendoflastyearBytheendoflastyear,Ihadlearned4000newwords.ThePastPerfectTense过去完成时1.过去完成时的构成助动词had(用于各种人称和数用于各种人称和数)+过去分词过去分词2.过去完成时态的含义:
主要是表示在过去某个时间,或是动作之前已经发生或完成的动作.也就是:
过去的过去过去的过去.过去完成时的判断依据过去完成时的判断依据:
1.由时间状语来判定:
一般说来,各种时态都有特定的时间状语。
由时间状语来判定:
与过去完成时连用的时间状语有:
1)by+过去时间点Ihadfinishedreadingthebookbynineoclocklastnight.2)bytheendof+过去时间点.如Wehadlearnedover2000Englishwordsbytheendoflastterm.3)before+过去时间点.如Theyhadplanted600treesbeforelastFriday.2.由由“过去的过去过去的过去”来判定。
来判定。
在状语从句中,在状语从句中,先先发生的动作用发生的动作用过去完成时过去完成时,后后发生的发生的动作用动作用一般过去时一般过去时。
WhenIgottothestation,thetrainhadalreadyleft.Afterhehadfinishedhishomework,hewenttobed.firstfirst3.常用在宾语从句中常用在宾语从句中:
当宾语从句的主句为一般过去时,且从当宾语从句的主句为一般过去时,且从句的动作先于主句的动作时,从句要用过句的动作先于主句的动作时,从句要用过去完成时。
在去完成时。
在told,said,knew,heard,thought等动词后的宾语从句。
如:
等动词后的宾语从句。
Hetoldmehehadalreadyfinishedhishomework.IrealizedIhadleftmykeysathome.4.体现在上下文中体现在上下文中IdidntgotothemoviesyesterdaybecauseIhadseenittwice.过去完成时的否定形式:
过去完成时的否定形式:
过去完成时的疑问形式:
肯定回答:
否定回答:
主语主语hadnothadnt+p.p.+其它其它.Yes,主语主语+had.Had+主语主语p.p.+其它其它?
No,主语主语+had+not.1.BythetimeIgotup,mybrotheralready(have)hisbreakfast.2.BythetimeIgottothestation,thebusalready(leave).3.WhenIgottoschool,IrealizedI(leave)mybagathome.hadhadhadhadleftleft4.Hedidntgotothecinemabecausehe_(see)themovietwice.5.Bytheendoflastyear,theworkers_(build)threehighrises.6.She_(work)onthefarmforthreeyearsbeforeshebecameateacher.hadseenhadbuilthadworked按要求改写下列句子按要求改写下列句子(5/1)TomhadfinishedhishomeworkbeforehewatchedTV.否定句:
否定句:
疑问句:
TomhadntfinishedhishomeworkbeforehewatchedTV.HadTomfinishedhishomeworkbeforehewatchedTV?
Yes,hehad.No,hehadnt.句型转换句型转换(10/1)1.Hehadstoodupbeforehecleanedthewindow.2._hehadstoodup,hecleanedthewindow.2.HisfatherwenttoBeijing.Hearrivedhome.3.(用用before合并句子合并句子)4.Hisfather___Beijingbeforehe_home.AfterhadgonetoarrivedQuestions:
1.Whatdoyouusuallydointhemorningbeforeschool?
2.Doyoulikemornings?
Whyorwhynot?
Whatdoyouusuallydointhemorningbeforeschool?
brushmyteethWhatdoyouusuallydointhemorningbeforeschool?
takea