单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级*Thepresentperfecttense现在完成时Heisfull.Hehashadabigbreakfast.1.过去某一时间点发生的动作对现在产生影响。功能：IhavelearnedEnglishfortenyears2.过去某一时间点发生的动作持续到现在或还将持续下去。基本结构Thepresentperfecttensehave/has+done助动词（可以帮助构成肯定、疑问和否定句）1.Hehascleanedhisroom.(写一个一般疑问句）Hashecleanedhisroom?2.ShehaslivedinLondonforfouryears.(划线部分提问）HowlonghasshelivedinLondon?3.HehasbeentoChina,________?（写出反义疑问句部分）hasn’the4.Theyhavecomebackfromwork.(写否定句）Theyhaven’tcomebackfromwork.WhatarethekeywordsforthePresentPerfectTense?A:______yourbrother______hishomeworkyet?(finish)B:Yes,he‘salreadydoneit.KeywordsHasfinishedyetalready注意：already用于肯定句，yet用于疑问句和否定句中A:_______youever_______tothepark?(be)B:No,never.KeywordsHavebeenyetalreadyevernever注意：ever曾经用于疑问句中never从不带有否定意义I______just________thedesk,youcantakeittoyourclassroom.(mend)KeywordshavemendedyeteverneverjustalreadyJust刚刚与现在完成时连用一般置句中Justnow刚才与一般过去时连用Tom___________inthefactorysinceheleftschooltenyearsago.(work)Keywordshasworkedyeteverneversincealreadysince后面带过去时间或有一般过去时的句子A:Howlong______you________inthisschool?(teach)B:For6years.Keywordshavetaughtyeteverneversinceforalready+一段时间We_______only____________100treessofar.(answer)Keywordshaveplantedyeteverneversinceforjustalreadysofar到目前为止Keywordsyeteverneversinceforjustbeforealreadysofarinthepast10yearstwice也可以是其他表示次数的词howlongSomeverbscan'toftenbeusedwithfororsinceHehasboughtthebook.Hehasboughtthebookforaweek.Hehashadthebookforaweek.buyhavecome/go/gettobeinjoinbeinbea…memberleavebeawayborrowkeepbeginbeonfinishbeoverdiebedeadreturnbebackPleasepointoutanymistakesandcorrectShehasboughtthecomputerfortwoyears.hadbuyhave/hashadPleasepointoutanymistakesandcorrectHowlonghaveyoucometotheUnitedStates？beenincometohave/hasbeenin buyhave/hashadPleasepointoutanymistakesandcorrectAnnhasgonetoChinasincethreemonthsago.beenincometohave/hasbeeninbuyhave/hashadgotohave/hasbeeninPleasepointoutanymistakesandcorrectMybrotherhasjoinedthearmyforfiveyears.beeninbeenasoldiercometohave/hasbeeninbuyhave/hashadgotohave/hasbeeningottohave/hasbeeninjoinhave/hasbeeninhave/hasbeenasoldierPleasepointoutanymistakesandcorrectIhaveleftShanghaifor3days.beenawayfor3days.cometohave/hasbeeninbuyhave/hashadgotohave/hasbeeningottohave/hasbeeninjoinhave/hasbeeninhave/hasbeenasoldierleavehave/hasbeenawayPleasepointoutanymistakesandcorrectIhaveborrowedthedictionarysince3daysago.keptcometohave/hasbeeninbuyhave/hashadgotohave/hasbeeningottohave/hasbeeninjoinhave/hasbeeninhave/hasbeenasoldierleavehave/hasbeenawayborrowhave/haskeptPleasepointoutanymistakesandcorrectThefilmhasbegunfor10minutes.beenoncometohave/hasbeeninbuyhave/hashadgotohave/hasbeeningottohave/hasbeeninjoinhave/hasbeeninhave/hasbeenasoldierleavehave/hasbeenawayborrowhave/haskeptbeginhave/hasbeenonPleasepointoutanymistakesandcorrectTheconcerthasfinishedforhalfanhour.beenovercometohave/hasbeeninbuyhave/hashadgotohave/hasbeeningottohave/hasbeeninjoinhave/hasbeeninhave/hasbeenasoldierleavehave/hasbeenawayborrowhave/haskeptbeginhave/hasbeenonfinishhave/hasbeenoverPleasepointoutanymistakesandcorrectHisdoghasdiedfortwoyears.beendeadcometohave/hasbeeninbuyhave/hashadgotohave/hasbeeningottohave/hasbeeninjoinhave/hasbeeninhave/hasbeenasoldierleavehave/hasbeenawayborrowhave/haskeptbeginhave/hasbeenonfinishhave/hasbeenoverdiehave/hasbeendeadcanyoudistinguish?havebeentohavegonetohavebeenin去过某地已经回来常与ever,never,once,twice,连用一直留在某地与for/since连用用howlong提问去了某地还没回来不与只用于第三人称Hersister_____________Australia,Sheleftthismorning.hasgonetocanyoudistinguish?have/hasbeentohave/hasgonetohave/hasbeenin去过常与ever,never,once,twice,连用在…与时间段连用用howlong提问去了说话时某人不在只用于第三人称A:WhereisBob?B:He____________Japanwithhissister.hasgonetocanyoudistinguish?have/hasbeentohave/hasgonetohave/hasbeenin去过常与ever,never,once,twice,连用在…与时间段连用用howlong提问去了说话时某人不在只用于第三人称A:Howlong____you_______China?B:I_________herefor3years.havebeenhavebeenincanyoudistinguish?have/hasbeentohave/hasgonetohave/hasbeenin去过常与ever,never,once,twice,连用在…与时间段连用用howlong提问去了说话时某人不在只用于第三人称A:_____youever________thecity?B:No,never.HavebeentoThepasttenseorthepresentperfecttenseWe____________eachothersincechildhood.We____________eachotherwhenwewereyoung.knowhaveknownknewThepasttenseorthepresentperfecttenseI________himjustnow.(see)I_____just_____mypen.(lose)sawhavelostThepasttenseorthepresentperfecttenseHowlong______you______intheUnitedstates?(live)When_____you______here?(move)havedidmovelivedThepasttenseorthepresentperfecttenseA:When______you______thefilm?B:I____ittwomonthsago.(see)Thewriter________________severalstory-bookssince5yearsago.(finish)didhasfinishedseesawmethod2:Itis+时间段since+一般过去时的句子.他的爷爷已经去世2年了。Nick参军3年了.他离开深圳好长时间了。这本书我已借了4个月了.Itis2yearssincehisgrandpadied.Itis3yearssinceNickjoinedthearmy.ItisalongtimesinceheleftShenzhen.Itis4monthssinceIborrowedthebook.3.表示一直持续到现在的状态Themeetinghaslastedfivedays.4.在时间状语从句,条件状语从句或让步状语从句中表达将来某时已经完成的动作WhenyouhavelearnedEnglish,youwillfinditabridgetosomuchknowledge.We’llstartatsixifithasstoppedrainingbythen.※这里的现在完成时强调从句动作在主句动作之前完成,如果两个动作同时或几乎同时发生,则不必用完成时.试比较:I’llletyouknow