初中英语课件――现在完成时a

PresentPerfectTensePresentperfecttense现在完成时构成:用法一：动作发生在过去，对现在有影响。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.）presentpastIhavelivedherefortwoyearsIlivedthere2yearsago和过去时态的区别及联系：··20072009Eddiewasbornfouryearsago.pastpresentEddiehaslivedwithMilliesincehewasborn.pastpresentEddiehaslivedwithMillieforfouryears.Weusethepresentperfecttensetotalkaboutthingsthatstartedinthepastandcontinuetothepresent.Wealsousethepresentperfecttensetotalkaboutthingsthathappenedinthepastandhaveconnectionwiththepresent.movelivelovelike写出下列动词的过去式和过去分词:visitrepairwatchfinishvisitedvisitedrepairedrepairedwatchedwatchedfinishedfinishedmovedmovedlivedlivedlovedlovedlikedlikedverb＋ed以e结尾＋d写出下列动词的过去式和过去分词:stopmoptrapplanstoppedstoppedmoppedmoppedtrappedtrappedplannedplanned注:以一个辅音字母结尾的重读闭音节词,双写最后一个辅音字母＋ed双写＋edstudyhurrystudiedstudiedhurriedhurried去y＋ied注:以辅音字母加y结尾的词,去y＋ied.写出下列动词的过去式和过去分词:begiveseemakeputcomewritewas/werebeengavegivensawseenmademadeputputcamecomewrotewritteneg.1.Hehadhisbreakfastat6:00Hehashadhisbreakfast.2.Whendidyoucomehere?IwatchedthefootballmatchonTVat9:00.Adverbsoftimebefore,bynow(sofar),once,twice…,just,recentlyyet(否/疑),already(肯),ever,never,allone’slife,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.havehadarrivedhasbeentohasseensaw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since和for:1)EddiehaslivedwithMilliesince2001.EddiehaslivedwithMilliesince4yearsago.EddiehaslivedwithMilliesincehewasborn.小结:since+时间点（词、词组或句子）2)EddiehaslivedwithMillieforfouryears.小结:for+时间段3)对以上句子划线部分提问:HowlonghasEddielivedwithMillie?1.WehavelearnedEnglish______GradeThreeinprimaryschool.WehavelearnedEnglish_______fiveyears.2.Hehasn’tfeltwell________lastnight.Hasheseenthedoctor?3.Ihavereadthisstorybook_______threedaysago.Ihaven’tfinishedreadingityet.选用since或for填空:sinceforsincesince4.Ithassnowed______twodays.Everythingiscoveredwithsnow.5.Wehavecleanedtheclassroom______halfanhour.6.Wehavestudiedatthisschool____2003.forforsince常见非延续性动词和延续性动词的转变arrive/come/gotodiebecomeaborrowLeave/movebuyopenjoinstart/beginfinish/endcatchacoldgetupgettoknowgetoutclosewakeupgotosleepbecomeinterestedinbeinbedeadhavekeepbeaway/beoutbeabein/amemberofbeopenbeonbeoverhaveacoldbeupknowbeoutbeclosedbeawakebeasleep/sleepbeinterestedinExercises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.改错:1.Thestudentshascleanedtheclassroom.Theclassroomiscleannow.2.Mumhascooksupper.Supperisreadynow.3.Iseethenewfilm.Itisinteresting.4.Hisfamilylivedheresince2000.5.Itryonthehat.Itdoesn’tsuitme.havecookedhaveseenhavelivedhavetried1.He___________(wait)foranhour.2.I_______________(notfinish)theworkyet.3.______you______(know)himsincethen?4.I___________(nothear)frommybrotherforalongtime.5.We___________(be)theremanytimessince3yearsago.Fillintheblankswiththecorrectformsoftheverbs.haswaitedhaven’tfinishedHaveknownhaven’theardhavebeen6.Howlong__________you__________(stay)athomealready?7.He___________(notread)thebookbefore.8.Hersister________(go)toChangchun.She________(leave)thismorning.9.He___________(live)inhishometownsincehelefthere.10.Thewriter____________(finish)severalstory-bookssince1990.havestayedhasn’treadhasgonelefthaslivedhasfinished把下例句子译成英语:1南京自1995年以来发生了很大的变化.2南京已经成为一个现代化的城市.3你们在这个乡村住了多久了?4他结婚了吗?是的,他已经结婚6年了.Nanjinghaschangedalotsince1995.Nanjinghasturnedintoamoderncity.Howlonghaveyoulivedinthevillage?Hashegotmarried?yes,hehasbeenmarriedforsixyears.Correcting1.Ihaveborrowedthebookfor3months.2.Mybotherhasjoinedthearmysincehewas18.3.JackandTomhavelivedheresince5years.4.ThefilmhasbeenonsinceIhavecometothecinema.5.WhenhasMr.Licaughtabadcold?havekepthasbeenin/beenamemberofthearmysince5yearsago/for5yearscamedidcatch6.Tenyearshavepassedsincetheygotmarried.7.JimhasgonetoBei