现在完成时可用与过去完成时.ppt

现在完成时与过去完成时的区别Thepresentperfecttense用于不同句式HehasjustreturnedfromFrance.,用“just/already/yet.”填空,DoyouknowwhereJuliais?-Yes,I_(justsee)her.2.WhattimeisDavidleaving?-He_(already/leave)3.Whatsinthenewspapertoday?-Idontknow.I_(notreadyet)4.WhatdoesTimthinkofyourplan?-I_(not/tell/yet).5.IsAnncomingtothecinemawithus?-No,she_thefilm.(already/see),havejustseen,hasalreadyleft,haventreadityet,haventtoldhimyet,hasalreadyseen,1._you_(hear)fromGeorgerecently?2.Lin_(notmeet)thosepeopleinthelastfewdays.3.Everythingisgoingwell.They_(nothave)anyproblemssofar.4.Imhungry.I_(noteat)anythingsincebreakfast.5.Itsnicetoseeyouagain.We_(notsee)eachotherforalongtime.6.He_thenoveltwiceinthelastfewdays.(read),Have,heard,hasntmet,haventhad,haventeaten,haventseen,hasread,请改变动词形式，并注意副词,havebeento/havegoneto/havebeenin,1.Thechildcantfindhismother.Hismother_thesupermarket.2.We_theGreatWalltwice.3._youever_Japan?4.-MayIspeaktoDora?-She_Canada.,hasgoneto,havebeento,Havebeento,hasgoneto,JakehasgonetoAmerica.去过.WehavebeentotheSummerPalace.去.了WehavebeeninChinaforaboutayear.呆在某地(常加一段时间),RightorWrong,Ihaveboughtthiscarfortenyears.,buy-have,Ihavehadthiscarfortenyears.,瞬间动词VS.延续性动词,Theoldmanhasdiedfor2years.,Theoldmanhasbeendeadfor2years.,die-bedead,since与for,UsageExample,since+过去时间/名词since1970/hisarrival,since+一段时间+agosincetwoyearsago,since+句子(过去时)sincehelefthere,for+一段时间fortwoyears,固定句型,Itisthefirst/secondtime.that结构中,that从句用现在完成时。ItisthefirsttimethatIhavevisitedthecity.Itwasthethirdtimethattheboyhadbeenlate.Thisisthethat结构,that从句要用现在完成时.ThisisthebestfilmthatIve(ever)seen.Thisisthefirsttime(that)Iveheardhimsing.,1.Hehasneverdrivenacarbefore.Itsthefirsttimehe_acar.2.Lindahaslostherpassportagain.Itsthesecondtimethis_(happen)3.Billisphoninghispenpalagain.Thatsthethirdtimehe_himthisevening.4.Thisisalovelymeal.ItsthefirstgoodmealI_(have),hasdriven,hashappened,hasphoned,havehad,练习,过去完成时,表示过去的过去发生的动作；都是过去发生的动作，先发生的用过去完成时，后发生的用一般过去时.常和by或since,for引导的表时间的从句或短语连用,但必须要与一个表示过去时的动作相对照.,构成方式:,肯定句:sb.haddonesth.,否定句:sb.+hadnotdone+sth.,一般疑问句:Had+sb.+donesth.?,肯定回答:Yes,sb.had.否定回答:No,sb.hadnt.,过去完成时通常连用的时间状语：bybytheendof+过去的时间点beforeeg.Hehadreadthetextbeforehecametoschool.Bytheendoflastyear,hehadworkinthefactoryfor10years.Theyhadplanted100treesbeforelastSunday.,When引导的从句主语+过去完成时+Bythetime引导的从句从句谓语动词为过去式Before引导的从句eg.WhenIgotthere,thebushadalreadygone.BeforeImether,Ihadheardalotabouther.Bythetimewegottothecinema,thefilmhadbeenonforfiveminutes.,基本用法,1.过去完成时表示在过去某时或某个动作之前发生的动作或存在的状态,(1)我到达电影院之前电影早已经开始了.,Thefilmhadbegunbeforewegottothecinema.,(2)他来我们学校之前已经在那所学校工作了三年.,Hehadworkedinthatschoolforthreeyearsbeforehecametoourschool.,（3）.当我赶到学校时,已经开始上课了.,TheclasshadbegunwhenIgottoschool.,2.在told,said,knew,heard,thought等动词引导的宾语从句中，一般用过去完成时。(1)她说她从来没有去过巴黎。Shesaid(that)shehadneverbeentoParis.(2)我觉得我以前见过他。IthoughtthatIhadseenhimbefore.(3)Tom说他借了这本书两周了。Tomsaidhehadborrowedthebookfor2weeks.,kept,Morepractice,WhenIarrivedthere,they_(leave)already.Thefilm_(start),whenwegottothecinema.I_(read)thebookbeforeIstartedschool.Theythoughtthatthey_(try)theirbest.Thepoorgirlneversawhergrandpabecausehe_(passaway)beforeshewasborn.I_(notrealize)shewasntChineseuntilshespoke.,hadleft,hadstarted,hadread,hadtried,hadpassedaway,hadntrealized,过去完成时与现在完成时的区别,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”;过去完成时则是一个相对的时态,它所表示的动作不仅发生在过去,更强调”过去的过去”,只有和过去的某时或某动作相比较时,才用到它.,到目前为止我已经学会了3000个单词.,到这学期期末之前我已经学会了3000个英语单词.,Ihavelearned3000Englishwordssofar.,Ihadlearned3000Englishwordsbytheendofthisterm.,练习,1.Ihavethisnicewatchfortwoyears(A)had(B)bought(C)borrowed(D)lend2.ThetrainfromBeijing_tenminutesago.(A)hasarrived(B)wasarriving(C)arrive