過去完成時講解ppt.ppt

過去完成時,主講：王建林,ThePastPerfectTense過去完成時,過去完成時的構(gòu)成助動詞had(用于各種人稱和數(shù))+過去分詞,WhenIgottoschool,thebellhadrung.,2.過去完成時的用法:主要是表示在過去某個時間,或是動作之前已經(jīng)發(fā)生或完成的動作.也就是過去的過去.,ThePastPerfectTense過去完成時,3.常用的幾種方式:用介詞by,before等構(gòu)成的時間短語.用連詞when,before,after或者短語bythetime引導的時間狀語從句.,Wehadlearnt20Englishsongsbytheendoflastmonth.,TheplanehadtakenoffwhenIreachedtheairport.BythetimeIgotup,mybrotherhadlefthome.,1.否定形式：had+not+過去分詞(hadnot照樣可縮寫hadnt)。2.一般疑問形式：had提到句首，回答用Yes,主語+had.或No,主語+hadnt.Hadhetoldyoutogothereearlieryesterday?他昨天告訴過你早點兒到那兒嗎？Yes,hehad./No,hehadnt.是的，他告訴了/不，他沒有。,4.被動語態(tài)形式：had+been+過去分詞。如：WhenIgotthere,thewindowshadbeenbroken.,3.疑問詞had主語過去分詞？,常用動詞的過去式和過去分詞,start,started,started,play,played,played,leave,left,left,say,said,said,go,went,gone,be,was/were,been,take,took,taken,get,got,gotten,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,口語練習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,thefilmhadalreadystarted.,BythetimeIwokeup