八年级英语现在完成时态课件1

八年级英语现在完成时态课件1第一页，共16页。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

+过去分词第一页第二页，共16页。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.）presentpastIhavelivedherefortwoyearsIlivedthere2yearsago第二页第三页，共16页。eg.1.Hehadhisbreakfastat6:00

Hehashadhisbreakfast.2.Whendidyoucomehere?

IwatchedthefootballmatchonTVat9:00.

第三页第四页，共16页。Adverbsoftime

before,bynow(sofar),once,twice…,just,recentlyyet(否/疑),already(肯),ever,never,allone’slife,in/duringthepast/last5years,

第四页第五页，共16页。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.havehadarrivedhasbeentohasseensawhavebeenbuilt第五页第六页，共16页。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引导的时间连用第六页第七页，共16页。常见非延续性动词和延续性动词的转变arrive/come/gotodiebecomeaborrowLeave/movebuyopenjoinstart/beginfinish/endcatchacoldgetupgettoknowgetoutclosewakeupgotosleepbecomeinterestedinbein

bedeadhavekeepbeaway/beoutbeabein/amemberofbeopenbeonbeoverhaveacoldbeupknowbeoutbeclosedbeawakebeasleep/sleepbeinterestedin第七页第八页，共16页。Exercises

Hisfatherhasdied.(for2years)Thefootballmatchhasbegun.(since9:00a.m)Thetwinshavejoinedthearmy.(sincetheyare18yearsold)Myteacherhasjust

leftNanjing.(for3days)Hisfatherhasbeendeadfor2years.Thefootballmatchhasbeenonsince9:00a.m.Thetwinshavebeensoldiers/beeninthearmysincetheyare18yearsold.MyteacherhasbeenawayfromNanjingfor3days第八页第九页，共16页。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.

第九页第十页，共16页。1.这本书我借了一个月了。Iborrowedthisbookamonthago.Itis/hasbeenamonthsinceIborrowedthebook.Ihavekeptthebookforamonth./sinceamonthago.AmonthhaspassedsinceIborrowedthebook.第十页第十一页，共16页。Have/hasgoneto

have/hasbeento

have/hasbeeninhave/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。第十一页第十二页，共16页。ExercisesTom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.第十二页第十三页，共16页。Correcting

1.Ihaveborrowedthebookfor3months.2.Mybotherhasjoinedthearmysincehewas18.3.JackandTomhavelivedheresince5years.4.ThefilmhasbeenonsinceIhavecometothecinema.5.WhenhasMr.Licaughtabadcold?

havekepthasbeeninthearmy/beenasoldiersince5yearsago/for5yearscamedidcatch第十三页第十四页，共16页。6.Tenyearshavepassedsincetheyg