现在完成时可用与过去完成时

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1、现在完成时与过去完成时的区别Thepresentperfecttense&ThepastperfecttenseIhavefinishedmyhomework.Ihadfinishedmyhomeworkby10:00thismorning.现在完成时用法结构搭配用语辨析瞬间动词VS.延续性动词固定句型强调过去发生的动作对现在造成的影响。2.过去发生的动作一直持续到现在，常搭配一段时间,与for或since连用.Hehasjustleft.Hehasbeenherefortwoweeks.Wehavelivedheresince1998现在完成时含义肯定式sb.+have/hasdone+

2、sth.sb.have/hasnotdone+sth.Have/hassb.Done+sth.?Theyhavealreadyfinishedthework.Theyhaven’tfinishedtheworkyet.Havetheyfinishedtheworkyet?否定式一般疑问句式现在完成时：句子结构与现在完成时搭配的时间状语everatanytimeHaveyouevervisitedNewYork?nevernotatanytimeYes,Ihave.No,I’venevervisitedNewYork.already用于肯定句(用于一般疑问句表示惊讶的语气)Wegotther

3、eat6:30butshehadalreadygone.Haveyoufinishedalready?yet用于否定和一般疑问句Hasitstoppedrainingyet?Just刚刚;用于不同句式HehasjustreturnedfromFrance.用“just/already/yet.”填空DoyouknowwhereJuliais?--Yes,I______________(justsee)her.2.WhattimeisDavidleaving?--He_____________(already/leave)3.What’sinthenewspapertoday?--Idon’

4、tknow.I_______________(notreadyet)4.WhatdoesTimthinkofyourplan?--I__________________(not/tell/yet).5.IsAnncomingtothecinemawithus?--No,she_______________thefilm.(already/see)havejustseenhasalreadylefthaven’treadityethaven’ttoldhimyethasalreadyseen1._____you_____(hear)fromGeorgerecently?2.Lin______

5、____(notmeet)thosepeopleinthelastfewdays.3.Everythingisgoingwell.They_____________(nothave)anyproblemssofar.4.I’mhungry.I___________(noteat)anythingsincebreakfast.5.It’snicetoseeyouagain.We___________(notsee)eachotherforalongtime.6.He_______thenoveltwiceinthelastfewdays.(read)Haveheardhasn’tmethav

6、en’thadhaven’teatenhaven’tseenhasread请改变动词形式，并注意副词havebeento/havegoneto/havebeenin1.Thechildcan’tfindhismother.Hismother______________thesupermarket.2.We_________theGreatWalltwice.3.______youever________Japan?4.----MayIspeaktoDora?----She__________Canada.hasgonetohavebeentoHavebeentohasgonetoJakeh

7、asgonetoAmerica.去过…..WehavebeentotheSummerPalace.去….了WehavebeeninChinaforaboutayear.呆在某地(常加一段时间)RightorWrongIhaveboughtthiscarfortenyears.buy---have×√Ihavehadthiscarfortenyears.瞬间动词VS.延续性动词Theoldmanhasdiedfor2yea