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1、现在完成时态专题复习一、构成：have/hasdone（has川于第三人称单数,done指动词的过去分词）二、一般疑问句：把have/has提到句子最开头。否定句：在have/has后加not：缩写成haven，t/hasn't。作肯定回答：Yes,・・・have/has.作否定回答：No,...haven't/hasn，t・三、标志词:already,yet,just,everfneverytwicefonce,threetimes,before^sofarffor+时间段,since+时间点，等等。四、Howlong
2、:提问“for+时间段；since+时间点”。五、短暂性动词和持续性动词之间的转换：短暂性动词持续性动词come,go,arrive,getto,reachbeinopenbeopenclosebeclosedleavebeawaybuyhaveborrowkeepbeginbeondiebedeadstopbeover★短暂性动词不能用于含有howlong,for,since的现在完成时句子中，要变为持续性动词。六、for与since的用法区别：①for+时间段；女IIfortwodays;formanyyears;②
3、since+时间点；女nsincelastyear;sinceyesterday;③since+吋间段+ago;女IIsincetwoyearsago;sinceanhourago;④since+一般过去时的从句；女IIsincehewasborn;语法专练：一.用havebeento/havegoneto的正确形式填空。1.——Whereyou?——Ithelibrary.2.——IsMrSmithathome?——No,hethetown.3.——Whereareyourparents?——Ithinktheywor
4、k.4.Howmanytimesyouthere?5.SheneverAmerica.二.用yetyalready^just填空。1.Haveyouhadyourdinner?2.1haven9tgotaletterfromhim.3.——Ihavereceivedamessage.Shesaidshewouldn^tcome.4.Thescientisthasbeentothespacestation.三、用since和for填空。1.JimhasbeeninGermanMonday.2.JillhasbeeninGe
5、rmanthreedays.3.HisaunthaslivedinAustralia15days.4.Maryisinheroffice.Shehasbeenthere7o'clock.5.Indiahasbeenanindependentcountry1974・6.Thebusislate.Theyrvebeenwaiting20minutes.7.Nobodylivesinthosehouses.Theyhavebeenemptymanyyears.8.Mikehasbeenillalongtime.Hehasbee
6、ninhospitalOctober.9.MygrandparentshavelivedinGuangzhoutheymovedthere.10.1havestudiedinShenzhenfouryearsago.四、单项选择题。()1.——Howlonghaveyouhere?A.comeB.goneC.been()2.JohntoBeijing.Shewillcomebacktomorrow.A.havegoneB.hasbeenC.hasgone()3.TheSmithsinChinafor8years.A.ha
7、slivedB.livedC.havebeen()4.—Hello,thisisMeGreenspeaking.CanIspeaktoMr.Black?~Sorry.HetheBainiaoPark.A.hasbeentoB.hasgonetoC.wentto()5.—Mum,mayIgooutandplaybasketball?―youyourhomeworkyet?A.Do,finishB.Are,finishingC.Have,finished()6.MyparentsShandongfortenyears.A.h
8、avebeeninB.havebeentoC・havegoneto()7.1hersinceshehere.A.knew;cameB.haveknown;cameC.came;haveknown()8.MrLilikesHongKongverymuch.Hetherethreetimes.A.hasgoneB・has
