Tomislookingforhiskeytohisbike.Hecan’tfindit.Hehaslosthiskeytohisbike.Helostitashorttimeagoandhestilldoesn'thaveit.Hecan’tridehisbiketogotoschool.Helooksworried.DefinitionDefinition2.过去某一时间点发生的动作持续到现在或还将持续下去。1.过去某一时间点发生的动作对现在产生影响。IhavelearnedEnglishfortenyears.IhavelearnedEnglishfortenyears.Wehavevisitedyourschoolbefore.Wehavevisitedyourschoolbefore.Hehaslosthiskeytohisbike.Hehaslosthiskeytohisbike.HehaslivedinLondonsincetenyearsHehaslivedinLondonsincetenyearsago.ago.have/has+pastparticipleA:I’velookedatyourresume.Iseeyouworkinahotel.B:Yes,Ido.A:Howlonghaveyouhadthisjob?B:I’vehadthisjobforonlyashottime.ButIhavealotofexperienceinthehotelbusiness.Infact,myparentsownahotelinMexico.A:Howlonghaveyourparentsownedahotel?B:Mostoftheirlives.A:Haveyouseenyourparentsrecently?B:Yes,Ihave.MymotherhasbeentotheU.S.afewtimestoseeme.Butmyfatherhasneverbeenherebecausesomeonehastostayatthehotelallthetime.He’stoldmemanytimes,“Whenyouareanownerofabusiness,youdon’thavetimeforvacations.”ButIdon’twanttobeanownernow.Ijustwantajobasamanager.Haveyoufilledthepositionyet?A:No,Ihaven’t.I’vealreadyinterviewedseveralpeople…A:______yourbrother_________anewwatch?(buy)B:Notyet.KeyKeywordswordsHasboughtyetA:_______youever_______tothepark?(be)B:Yes,Iwenttherelastsummer.KeyKeywordswordsHavebeenyeteverI______never______ofanythinglikethat.(hear)KeyKeywordswordshaveheardyeteverneverTom___________inthefactorysinceheleftschooltenyearsago.(work)KeyKeywordswordshasworkedyeteverneversinceA:Howlong______you________inthisschool?(teach)B:For6years.KeyKeywordswordshavetaughtyeteverneversinceforI______just________thedesk,youcantakeittoyourclassroom.(mend)KeyKeywordswordshavemendedyeteverneversinceforjust_______you_______theForbiddenCity(紫禁城)before?(visit)KeyKeywordswordsHavevisitedyeteverneversinceforjustbeforeHe____already______ajob.(find)KeyKeywordswordshasfoundyeteverneversinceforjustbeforealreadyWe_______only____________thefirstfivequestionssofar.(discuss)KeyKeywordswordshavediscussedyeteverneversinceforjustbeforealreadysofarThey______________over24,000fruittreesuptonow.(plant)KeyKeywordswordshaveplantedyeteverneversinceforjustbeforealreadysofaruptonowGreatchanges_________________inBeijinginthepast10years.(takeplace)KeyKeywordswordshavetakenplaceyeteverneversinceforjustbeforealreadysofaruptonowinthepast10yearsHe__________alotofgoodthingsinhislife.(do)KeyKeywordswordshasdoneyeteverneversinceforjustbeforealreadysofaruptonowinthepast10yearsinhislifeI____________herlately.(notsee)KeyKeywordswordshaven’tseenyeteverneversinceforjustbeforealreadysofaruptonowinthepast10yearsinhislifelatelyI_________________himrecently.(nothearfrom)KeyKeywordswordshaven’theardfromyeteverneversinceforjustbeforealreadysofaruptonowinthepast10yearsinhislifelatelyrecentlyHe___________inthiscityeversincethen.(live)KeyKeywordswordshaslivedyeteverneversinceforjustbeforealreadysofaruptonowinthepast10yearsinhislifelatelyrecentlyeversincethenHe___________inthishighschooltillnow.(teach)KeyKeywordswordshastaughtyeteverneversinceforjustbeforealreadysofaruptonowinthepast10yearsinhislifelatelyrecentlyeversincethentillnowhave/hashave/hasbeentobeentohave/hashave/hasgonetogonetohave/hashave/hasbeeninbeenin1.Bill1.BillhasgonetohasgonetoLondon,hewillcomebacktomorrow.London,hewillcomebacktomorrow.2.A:W...
