初中英语人教版八年级下册现在完成时复习课件

PresentPerfectTense(现在完成时)初中英语人教新目标八年级下册Units8-10TheReviewofGrammar现在完成时现在完成时的构成现在完成时的主要用法现在完成时的时间状语非延续动词与延续性动词转换现在完成时常见的六种句型现在完成时中的常用副词过去分词的构成过去分词的构成Typeoriginalp.tp.pcutcutcuthithithitcostcostcosthurthurthurtputputputreadreadreadAAAmeetmetmetkeepkeptkeptmakemademadebringbroughtbroughtbuyboughtboughtthinkthoughtthoughtteachtaughttaughttelltoldtoldlendlentlentspendspentspentfindfoundfoundhearheardheardbuildbuiltbuiltABBbeginbeganbegunsingsangsungdrinkdrankdrunkswimswamswumspeakspokespokenchoosechosechosenknowknewknownforgetforgotforgottenbreakbrokebrokendrivedrovedrivengivegavegiveneatateeatenwritewrotewrittenABCseesawseengowentgonetaketooktakenrideroderiddenwakewokewakengrowgrewgrowndrawdrewdrawnhidehidhiddenABC1.现在完成时的构成+v.过去分词，即2.现在完成时态的含义:助动词have//has+doneB.表示在过去的某个时间开始并一直持续到现在的动作或状态。A.表示在过去发生并已经完成的动作对现在造成的后果及影响.2.我在这儿住了两年了。Ihavejusthadmybreakfast.I’mnothungrynowIstilllivehereIhavelivedherefortwoyears.（同义句）=Ihavelivedheresince2014/twoyearsago.nowpast现在完成时1.我刚刚吃过早餐。hadbreakfastmovedherein2014用在现在完成时中的时间状语：1.inthelast/past(few)years;2.overtheyears;3.sofar;uptonow;uptillnow4.sincethen;5.inrecentyears6.for+一段时间;7.since+过去某个时间点;段时间+ago;一般过去时的句子句型转换have/has+v过去分词助动词否定havenot=haven’thasnot=hasn’t疑问Haveyou…?Hashe/she…?常与下列副词连用：just,already,ever,never,recently（句中）yet,before（句尾）他已经完成作业了。Hehasalreadyfinishedhomework.(否、疑)Hehasn’tfinishedhomeworkyet.Hashefinishedhomeworkyet?(肯/否答语)Yes,hehas./No,hehasn't.(=Notyet.)练一练1.have/hasbeento侧重指经历,后可接次数，如once，twice，threetimes等，表示“去过某地几次”也可和just，never，ever等连用。2.have/hasgonetosp.意为“某人已经去某地了”，可能在去某地的路上，也可能到达了某地。总之，说话时该人不在现场，常用第三人称代词作句子的主语。3.have/hasbeeninsp.常与时间段状语连用.意为“某人曾经去过某地”表示“在某地呆了多少时间'现在完成时常见的六种句型1.她去法国了。2.他去过法国好多次了。3.她以前从未去过那。4.他在北京呆了半个月了。ShehasgonetoFrance.HehasbeentoFrancemanytimes.Shehasneverbeentherebefore..HehasbeeninBeijingforhalfamonth.4.Itis/hasbeen+时间段+since+从句IthasbeentwoyearssinceIcametothisschool.5.时间段+haspassed+since+从句TwoyearshaspassedsinceIcametothisschool.6.Thisisthefirst(second…)timethat+从句ThisisthesecondtimethatIhaveseenthemovie.译一译注意：当与一段时间连用时，非延续性动词要变成延续性的动词。buyborrowbegin/startcomefinishdiejoinleavegetmarriedcatchacold—havekeepbeonbeherebeoverbedeadbein/beamemberofbeawaybemarriedhaveacold你能找出错误吗？1.HowlonghaveyoubeguntostudyEnglish?2.Hehascaughtacoldforaweek.3.TheriverhasbecomeverydirtysincelastAugust.4.MyfatherhasgottoBeijingsincelastweek.5.Hehasgoneoutfortwoyears.studiedhadacoldbeenbeeninbeen1.他离开10分钟了。2.她借这本书一星期了。3.我祖母去世2年了。4.我父母结婚二十年了。5.电影5分钟前就已经开演了。6.我的父亲自从1969年就入党了。Hehasbeenawayfor10minutes.Shehaskeptthebookforaweek.Mygrandmahasbeendeadfor2years.Myparentshavebeenmarriedfor20years.Thefilmhasbeenonsince5minutesago.MyfatherhasbeeninthePartysince1969.译一译注意:come,go,leave,arrive,buy,die,join,receive,和marry等动词所表示的动作是一时的,不能延续,故不能与for…since…等开头的表示一段时间的状语连用。不过,这些词用于否定句则可以与表示持续的时间状语连用，即动作的不发生是可以持续的。1.我两个月什么都没买。Ihaven’tboughtanythingfortwomonths.2.我三个星期没有收到他的信了。Ihaven'theardfromhimfor3weeks.3.自从他妻子去世，他就一直没有结婚。Hehasn'tmarriedsincehiswifedied.答题要点：1.根据含义和时态标志词来判断是否使用现在完成时。2.根据所给的时间状语判断是否使用延续性动词，熟练掌握延续性动词和非延续性动词之间的转换。