语法复习——现在完成时1.pptx
盘信民族中学田清芬语法复习现在完成时Shecleanedthedeskjustnow.ThedeskiscleannowShehascleanedthedesk.现在完成时复习目录现在完成时态的概念现在完成时态的结构现在完成时态的句型现在完成时态的用法现在完成时态与一般过去式的比较havebeento/havegoneto/havebeenin现在完成时的构成：have/has+动词的过去分词has:第三人称单数第三人称单数助动词助动词have:第一、二第一、二/复数复数Hehascleanedthedesk.Ihavecleanedthedesk.Wehavecleanedthedesk.Theyhavecleanedthedesk.Youhavecleanedthedesk.Shehascleanedthedesk.练习：(4)重读闭音节结尾，末尾只有一个辅音字母，先双写该辅音字母，再加“ed”。(1)一般动词，在词尾直接加“ed”。(2)以“e”结尾的动词，只在词尾加“d”。(3)以“辅音字母+y”结尾的动词，将y变为i，再加“ed”。过去分词的构成规则动词：写出下列动词的过去式和过去分词work_live_stay_stop_clean_study_worked workedlived livedstayed stayedstopped stoppedstudied studiedcleaned cleanedburstburstbursthurthurthurtletletletcostcostcostcutcutcuthithithitputputputshutshutshutsetsetsetspreadspreadspreadreadreadreadAAA型beatbeatbeatenAAB型becomebecamebecomerunranruncomecamecomeABA型bringbroughtbroughtbuyboughtboughtbuildbuiltbuiltburnburntburntcatchcaughtcaughtdigdugdugfeelfeltfeltfightfoughtfoughtfindfoundfoundhearheardheardholdheldheldkeepkeptkeptlaylaidlaidleadledledloselostlostmakemademademeetmetmetsellsoldsoldABB型thinkthoughtthoughtshootshotshotsitsatsatstandstoodstoodsweepsweptsweptteachtaughttaughttelltoldtoldwinwonwonbeginbeganbegunblowblewblownbreakbrokebrokenchoosechosechosendrawdrewdrawndrivedrovedrivendrinkdrankdrunkflyflewflownforgiveforgaveforgivenforgetforgotforgottengivegavegivenfreezefrozefrozenknowknewknowngrowgrewgrownrideroderiddenriseroserisenringrangrungshakeshookshakensingsangsungsinksanksunkswimswamswumwritewrotewrittenABC型Shehascleanedthedesk.按要求完成句子。作否定回答：变否定句：变一般疑问句：作肯定回答：Hasshecleanedthedesk?Shehasntcleanedthedesk.Yes,shehas.No,shehasnt.主语主语havenot(havent)/hasnot(hasnt)+过去分词其它过去分词其它.Have（Has）主语过去分词其它？主语过去分词其它？Yes，主语，主语have（has）；）；No,主语主语havent（hasnt）现在完成时用法：（一）现在完成时用法：（一）现在完成时用来表示过去发生或已经完成的某一动现在完成时用来表示过去发生或已经完成的某一动作对现在造成的影响或结果。作对现在造成的影响或结果。常跟常跟just,already,yet,ever,never,before,once,twice,threetimes,等时间状语连用。等时间状语连用。标志词：HaveyouevervisitedtheGreatWall?IhavejustvisitedtheGreatWall.IhavenevervisitedtheGreatWall.IhavevisitedtheGreatWallonce.before.twice.threetimes.IhavealreadyvisitedtheGreatWall.IhavevisitedtheGreatWallalready.IhaventvisitedtheGreatWallyet.IhavealreadyvisitedtheGreatWall.HaveyouvisitedtheGreatWallyet？变否定句：变一般疑问句：2.A:_he_(do)hishomework?B:No,he_(notdo)ityet.Fillintheblanks.1.A:_you_(see)thefilm?B:Yes,I_already_(see)it.HaveseenhaveseenHasdonehasntIbegantoliveinSongtaotenyearsago.IstillliveinSongtaonow.IhavelivedinSongtaofortenyears现在完成时用法（二）现在完成时用法（二）现在完成时用来表示过去已经开始现在完成时用来表示过去已经开始,持续到现在持续到现在,也也许还会继续下去的动作或状态。许还会继续下去的动作或状态。IhavelivedinSongtaofortenyears.IhavelivedinSongtaosincetenyearsago.IhavelivedinSongtaosince2003.IhavelivedinSongtaosinceImovedhere.for+一段时间since+一段时间+ago（自从以前）since+过去的时间点（自从以来）since+从句（过去时）Fillintheblankswithfororsince.5.Tonysgrandmotherhasbeendead_2004.1.Wehaventseeneachother_alongtime.2.HisfatherhasbeenintheParty_10yearsago.3.Thefilmhasbeenon_20minutes.4.TheGreenshaveworkedhere_theycametoChina.forforsincesincesincesofar,常用的时间状语还有：tilltodayrecentlytheseyearsalloneslifeinthelastyearsinthepastyears2.Thefarmer_(plant)hundredsoftreesinthelast20years.1.We_(learn)5000wordssofar.Exercise：havelearnthasplantedMydoghasdied.Mydoghasdiedforaweek.Mydoghasbeendiedforaweek.die-bedead判断正误。正误将下列短暂性动词换成延续性动词：comebebuy havebeginbeonmarrybemarrieddiebedeadleave beawayborrowkeep closeknowgettoknowbeillfallillbeclosedjoinbeamemberof/beinfallasleepbeasleep找出句中的错误并改正。1.Myclassmateshaveboughtthegiftsfortwodays.had2.Theyhaveleftforhalfanhour.beenaway3.ThebabyhasfallenasleepsinceoneoclockbeenasleepShehasbeentoshanghai.HehasgonetotheGreatWall.HehasbeeninBeijingfor2years.词组含义have/hasgonetohave/hasbeentohave/hasbeenin到某地去了到某地去了，表示到了某，表示到了某地或正在去某地的途中。地或正在去某地的途中。说话时该人说话时该人不在现场不在现场曾经去过某地曾经去过某地，现在，现在已经不在那里了已经不在那里了在某地在某地呆多长时间呆多长时间Fillintheblankswith“have/hasgoneto/have/hasbeento/have/hasbeenin”.1.A:WheresJim,LiLei?B:He_theschoollibrary.2.Thetwins_Chinaforthreeyears.3.We_theGreatWalltwice.Itsverybeautiful.4.Mysister_never_aforeigncountry.5.A:MayIspeaktoFrank?B:Sorry,he_thesupermarket.hasgonetohavebeeninhavebeentohasbeentohasgoneto现在完成时与一般过去时的比较现在完成时与一般过去时的比较Isawthefilmyesterday.Ihavejustseenthefilm.现在完成时一般过去时一般过去时1.Bothofthem_(come)toHongkongtenyearsago.2._you_(find)yourwatchyet?3.We_already_(return)thebook.用适当的时态填空。cameHavefoundhavereturned4.I_(lose)mywatchyesterday.lost5.I_(notfinish)myhomeworkyet.haventfinished
