•I__________(do)myhomeworkalready.•He_______________(notfinish)hishomeworkyet.•ThisisthemostexcitingmatchI______ever_____(see).•Mother_____just_______(clean)thehouse.It’ssotidy.•They_________________(practice)thisdialoguetwice.•We_____________(learn)Englishfortwoyears/sincetwoyearsago/since2010.•Mr.Green_________(be)inChinatheseyears.havedonehasn’tfinishedhaveseenhascleanedhavepracticedhavelearnedhasbeenhavebeento曾经去过某地（人已回）Someonewenttosomeplaceandhasalreadycomebackhavebeenin去某地一段时间(跟时间)someonestayinsomeplaceforsometimehavegoneto去了某地（人未归）SomeonewenttosomeplaceandisstillthereABAABB1.A:Where’sJim,LiLei?B:He______________hisschoollibrary.2.TheGreens_____________theUSA.Theywon’tgotherewithusthissummer.3.We_____________theGreatWalltwice.It’sverybeautiful.4.Myfather____________Beijing.Hewillbebackintwodays.5.A:_____Tommy_________Shanghai?B:Yes.Hewentthereyesterdayandhasn’tcomebackyet.6.Kitty_________________hongkongfor2days.hasgonetohavegonetohavebeentohasgonetoHasgonetohasbeeninDaniel:_______youever________(be)toSingapore,Millie?Millie:No,butI__________(be)toThailandwithmyparents.Daniel:Oh,that’sgreat!_____you______(visit)thefamousGrandPalaceinBngkok?Millie:Yes,we__________(be)totheGrandPalace.Itwaswonderful!Lookatthesephotos.Daniel:Wow!Thepalaceisreallywonderful,andyoulookgreatinthephotos.Haveyouvisitedanyotherinterestingplaces?HavebeenhavebeenHavevisitedhavebeenMillie:We_____also______(be)tothePattayaBeach.Lookatthisone.Isn’titbeautiful?Daniel:Yes,thebeachisverybeautiful.IseeAndywastheretoo.Millie:Yes.We_________(go)therewithhisfamily.Daniel:Really?I___________(notsee)himforsometime.Itseemshe___________(notcome)backyet.Millie:Heandhisfamily__________(go)toShanghaitovisithisgrandparents.Theywillcomebacktomorrowmorning.havebeenhavegonehaven’tseenhasn’tcomehavegone1.知道have/hasbeen（to）,gone（to）,been（in）三者之间的根本区别：have/hasbeento表示当事人曾经去过某地。have/hasgoneto说话时当事人不在现场,去了某地。have/hasbeenin强调当事人在某地待过一段时间。2、三者的常见用法been(to)+地点+次数been(in)+地点+for+时间段/since+时间点，时间段+ago，since+句子gone(to)+地点3、共同点当后跟地点是副词时，介词省略。1.WehavelearntEnglish_____3years.______3yearsago._____we_______(come)hereforsincecame_______________________HowlonghaveyoulearntEnglish?for+一段时间since+过去的时间点就画线提问用howlong想一想since标志词：for+一段时间,since+过去的时间点,overtheseyears,sofar,inthepast/last…years•We__________(learn)Englishforthreeyears/sincetwoyearsago/since2000.•Mr.Green_________(be)inChinatheseyears.•They____________(write)15songssofar.•Thepopulation____________(grow)moreslowlyinthepasttenyears.HavelearnedhasbeenhavewrittenhasgrownDiscussion:Fillingblankswithfororsinceandrewritethesentencessince•1.Wehavelivedhere______1990.•2.Youhavestudiedhere___5years.•3.Theboyhashadabadcold_____lastweek.•4.Mr.Huanghaskeptthebooks______amonthago.•5.Ihavetaughtintheschool_____Icameheretwoyearsago.•6.Wehavebeenfriends_____years.forsincesincesinceforformanyyears.since5yearsago.foraweek.foramonth.for2years.sinceyearsago.Ihavealreadyboughtawatch.It’sverybeautiful.Whendidyoubuyit?Iboughtitoneyearago.Ihavehadthewatchforoneyear/sinceoneyearago.A:B:A:Ihavealreadyboughtawatch.It’sverybeautiful.Whendidyoubuyit?Iboughtitoneyearago.Ihavehadthewatchforoneyear/sinceone...
