过去完成时讲解ppt01507.ppt

过去完成时,ThePastPerfectTense过去完成时,过去完成时的构成助动词had(用于各种人称和数)+过去分词,WhenIgottoschool,thebellhadrung.,2.过去完成时的用法: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.,ThePastPerfectTense过去完成时,3.常用的几种方式:用介词by,before等构成的时间短语.用连词when,before,after或者短语bythetime引导的时间状语从句.,Wehadlearnt20Englishsongsbytheendoflastmonth.,TheplanehadtakenoffwhenIreachedtheairport.BythetimeIgotup,mybrotherhadlefthome.,1.否定形式：had+not+过去分词(hadnot照样可缩写hadnt)。2.一般疑问形式：had提到句首，回答用Yes,主语+had./No,主语+hadnt.例如：Hadhetoldyoutogothereearlieryesterday?他昨天告诉过你早点儿到那儿吗？Yes,hehad./No,hehadnt.是的，他告诉了。/不，他没有。,3.被动语态形式：had+been+过去分词。如：WhenIgotthere,thewindowshadbeenbroken.,常用动词的过去式和过去分词,playplayedplayedworkworkedworkedleaveleftleftsaysaidsaidgowentgonebewas/werebeentaketooktakengetgotgotten,startstartedstarted,breakbrokebrokenspeakspokespokendrivedrovedrivenseesawseeneatateeatengivegavegivenknowknewknowngrowgrewgrown,BythetimeIgotoutside,thebushadalreadyleft.,thepolicemangettotheshop,Tomrunaway,Bythetimethepolicemangottotheshop,Tomhadrunaway.,Speaking-freely:BythetimeorWhen,LiuMeiwakeup,theconcertbeover,BythetimeLiuMeiwokeup,theconcerthadbeenover.,hisgrandmacomefromAmerica,LiMinggrowup,BythetimehisgrandmacamefromAmerica,LiMinghadgrownup.,20062011,learn4000Englishwords,Bytheendof,Bytheendof2006,Ihadlearned4000newwords.,1.We_(learn)twothousandswordsbythetimeIwenttoMiddleSchool.,Canyoudoit?,3.Whenwe_(arrive)atthestation,they_(wait)formorethantwentyminutes.,hadlearned,arrived,hadwaited,2.I_(know)himwhenIwasastudent.,hadknown,4.Oneofthemendidntmove,becausehe_(break)hislegs.,hadbroken,5.Byyesterdayeveninghe_thatimportantletter.(write)6.IthoughtI_themanbefore.(meet)7.Bysixoclockthey_fortenhours.(work)8.IwenttoNickshouse,buthe_out.(go)9.I_theproblemwhenclasswasover.(notunderstand),hadwritten,hadmet,hadworked,hadgone,hadntunderstood,口语练习1.a.Igotup.Mybrotherwasintheshoweralready.b.BythetimeIgotup,mybrother_intheshoweralready.2.a.Iranoutsidetothebusstop.Thebuswasgone.b.3.a.Igothome.Irealizedthatmyhomeworkwasstillatschool.b.,hadgotten,BythetimeIranoutsidetothebusstop,thebushadalreadygone.,WhenIgothome,IrealizedthatIhadleftmyhomeworkatschool.,4.a.Iwokeup.Myclockstoppedtwohoursago.b.5.a.Igottothecinemaat8.Thefilmstartedat7:30.b.6.a.Igottotheparty.Jimwenthomeanhourago.b.,BythetimeIgottothecinema,thefil