现在完成时ppt精品课件

PresentPerfectTense,Presentperfecttense现在完成时,构成:用法一：,表示过去发生的某一动作对现在造成的影响或产生的结果.现在完成时这一时态强调是过去动作与现在的联系,也就是强调现在的影响和结果.,have/has+过去分词,1.都表示过去发生的事2.现在完成时强调过去和现在的联系，不能和具体的时间状语连用；3.一般过去时强调过去发生的事或状态与表示过去的具体时间连用（last,ago,yesterday,etc.）,present,past,Ihavelivedherefortwoyears,Ilivedthere2yearsago,eg.1.Hehadhisbreakfastat6:00Hehashadhisbreakfast.2.Whendidyoucomehere?IwatchedthefootballmatchonTVat9:00.,Adverbsoftime,before,bynow(sofar),once,twice,just,recentlyyet(否/疑),already(肯),ever,never,alloneslife,in/duringthepast/last5years,Exercises,1.I_(have)lunchalready.2.Hasthetrain_(arrive),yet?3.Tome_never_(beto)China.4.Thetwin_just_(see)myfather.5.Thetwins_(see)myfatherjustnow.6.Manytallbuildings_(build)inthepast5years.,havehad,arrived,has,beento,has,seen,saw,havebeenbuilt,用法二：for+段时间since+点时间since+句子（过去时）E.g.Katehaslivedherefor3years.Katehaslivedheresince3yearsago.KatehaslivedheresinceshecametoChina.,表示过去某个时间开始的动作或存在的状态，一直持续到现在并可能还将持续下去。动词使用延续性动词。常与for或since引导的时间连用,常见非延续性动词和延续性动词的转变,arrive/come/gotodiebecomeaborrowLeave/movebuyopenjoinstart/beginfinish/endcatchacoldgetupgettoknowgetoutclosewakeupgotosleepbecomeinterestedin,bein,bedead,have,keep,beaway/beout,bea,bein/amemberof,beopen,beon,beover,haveacold,beup,know,beout,beclosed,beawake,beasleep/sleep,beinterestedin,Exercises,Hisfatherhasdied.(for2years)Thefootballmatchhasbegun.(since9:00a.m)Thetwinshavejoinedthearmy.(sincetheyare18yearsold)MyteacherhasjustleftNanjing.(for3days),Hisfatherhasbeendeadfor2years.,Thefootballmatchhasbeenonsince9:00a.m.,Thetwinshavebeensoldiers/beeninthearmysincetheyare18yearsold.,MyteacherhasbeenawayfromNanjingfor3days,重点句型:Itis/hasbeen+段时间+since从句段时间+haspassed+since从句,eg.他死了两年了：Hediedtwoyearsago.Hehasbeendeadfortwoyears/sincetwoyearsagoItis/hasbeentwoyearssincehedied.Twoyearshaspassedsincehedied.,1.这本书我借了一个月了。,Iborrowedthisbookamonthago.,Itis/hasbeenamonthsinceIborrowedthebook.,Ihavekeptthebookforamonth./sinceamonthago.,AmonthhaspassedsinceIborrowedthebook.,Have/hasgonetohave/hasbeentohave/hasbeenin,have/hasgoneto:已经去了或在途中，还没有返回；have/hasbeento:曾今去过某地，现在已经回来了,后面可接表示“次数”的状语;have/hasbeenin:表示某人“已在某地停留一段时间，现仍在那里”，其后常带表示一段时间的状语。,Exercises,Tom在哪儿？他去书店买书了。我在北京待了5年了。Jack去过上海两次了,-WhereisTom?-Hehasgonetothebookshoptobuysomebooks.,IhavebeeninBeijingfor5years.,JackhasbeentoShanghaitwice.,Correcting,1.Ihaveborrowedthebookfor3months.2.Mybotherhasjoinedthearmysincehewas18.3.JackandTomhavelivedheresince5years.4.ThefilmhasbeenonsinceIhavecometothecinema.5.WhenhasMr.Licaughtabadcold?,havekept,hasbeenin/beenamemberofthearmy,since5yearsago/for5years,came,did,catch,6.Tenyearshavepassedsincetheygotmarried.7.JimhasgonetoBeijingfor2years.8.Whattimehavethefactoryopened?9.IhavegonetoChunhuaMiddleSchooltwice,has,hasbeenin,did,open,beento,Exercises,IamanAmericanboyIcametoChinatwoyearsago.I_(study)herefortwoyears.Myfatheroften(take)me_(play)footballontheplayground.LastweekI_(take)totheparkbyhim.Wesawalotofmonkeys(jump)inthetree.IheardavoicefrombehindWhenI(walk)alongtheriver.Ithoughtmyself.“I