2014广东省中考英语现在完成时复习课件

一、含义现在完成时用来表示现在之前已发生或完成的动作或状态，但其结果却和现在有联系,也就是说,动作或状态发生在过去但它的影响现在还存在。e.g.Ihavelostmywallet.(含义是：现在我没有钱花了。)语法重点：现在完成时Janehaslaidthetable.(含义是：已可以吃饭了。)Michaelhasbeenill.(含义是：现在仍然很虚弱。)Hehasreturnedfromabroad.(含义是：现在已在此地)二、构成：have/has+v.过去分词（done）否定：have/hasnot+v.过去分词+…疑问：Have/Has+主语+v.过去分词+…三、现在完成时的用法1.现在完成时可以用来表示发生在过去某一时刻的、持续到现在的情况，常与for,since连用。e.g.Maryhasbeenillforthreedays.Ihavelivedheresince1998.1998now2.现在完成时往往同表示不确定的过去时间状语连用,如already,yet,just,before,recently,lately等：e.g.Hehasalreadyobtainedascholarship.Ihaven’tseenmuchofhimrecently(lately).Wehaveseenthatfilmbefore.Havetheyfoundthemissingchildyet?3.现在完成时常常与表示频度的时间状语连用，如often,sometimes,ever,never,twice,onseveraloccasion等：e.g.HaveyoueverbeentoBeijing?IhaveneverheardBunnysayanythingagainsther.Ihaveusedthispenonlythreetimes.Itisstillgood.Georgehasmetthatgentlemanonseveraloccasions.4.现在完成时还往往可以同包括现在时间在内的时间状语连用，如now,uptothesefewdays/weeks/months/years,thismorning/week/month/year,now,just,today,uptopresent,sofar等。e.g.Peterhaswrittensixpaperssofar.Manhasnowlearnedtoreleaseenergyfromthenucleusoftheatom.Therehasbeentoomuchrainthisyear.Therelationsbetweenushavebeenenhancedinthepastfewyears.Uptothepresenteverythinghasbeensuccessful.5.现在完成时表示现在之前业已完成的动作,虽然其效果或影响仍然存在但已不再继续,但是有一些现在完成时的句子，在后面加上for+一段时间，则现在完成时的动作就表示延续性。e.g.ThomashasstudiedRussian.(现在不再学俄语)ThomashasstudiedRussianforthreeyears.(=ThomasbegantostudyRussianthreeyearsago,andisstillstudyingitnow.)6.现在完成时还可以用来表示过去的一个时间到现在这段时间内重复发生的动作。e.g.Wehavehadfourtextsthissemester.现在完成时中的时间状语：★already通常用于肯定句中，意为“已经”，位于行为动词之前,be动词、助动词之后。有时可放在疑问句句尾，表示惊讶。例如：Wehavealreadycleanedtheclassroom.Haveyoufinisheditalready？★yet用于疑问句中表示“已经”；用于否定句中，表示“还(没)”。例如：—Hashefoundhiswatchyet？他还没找到他的表吗？—No,notyet.是,还没有。★ever意为“曾经”，常用于疑问句或否定句中，位于助动词和过去分词之间，表示从过去到目前为止的时间。例如：Haveyoueverbeenthere？你曾经去过那里吗？Nothinghaseverhappenedhere.这里未曾发生过什么事。★never意为“（曾经）从未、没有”,是否定副词，在句中位于助动词和过去分词之间。ever与否定词not连用相当于never。例如：Ihaven’teverspokentoher.=Ihaveneverspokentoher.我从未跟她讲过话。★just意为“刚刚”,用于现在完成时,表示行为刚刚过去,位于助动词与过去分词之间。e.g.Hehasjustcomebackfromschool.他刚从学校回来。★justnow意为“刚才”,表示过去某时,用于一般过去时,位于句首或句尾均可。e.g.Hecamefromschooljustnow.他刚才从学校回来。★for和since的用法及区别。for与一段时间连用since与时间点连用注意：since后接过去时的时间状语或过去时的句子。e.g.IhavebeentoShanghaitwicesince1970.Ihaven’tseenhersincesheleftShanghai.注意:①有些动词是非延续性的，在此用法中要换成其相对应的延续性词。diebedeadbegin/startbeonfinish/endbeoverleavebeaway(from)come/go/arrivebein/atopenbeopenclosebeclosedjoinbeamemberofborrowkeepbuyhave②have/hasgoneto、have/hasbeento和have/hasbeenin的区别。have/hasgoneto去了，在去某地的路上或在某地,人还未回来have/hasbeento曾经去过,人已经回来了have/hasbeenin已经在,常与一段时间连用e.g.ShehasbeentoShanghaibefore.她以前曾去过上海。ShehasbeeninShanghaifortenyears.她在上海10年了。HashegonetoQingdao?他去青岛了吗？但不能说HaveyougonetoQingdao?()1.Ihave______wateredthem.A.alreadyB.yetC.justD.ever()2.Havetheystartedtheirhomework____?A.alreadyB.yetC.justD.ever()3.—Haveyoufedthecatyet?—Yes,Ihave_______fedit.A.alreadyB.yetC.justD.everI.Choosethebestanswer.ABA()4.--I’venevercopiedothers’homework.--_________.A.NeitherIhaveB.NeitherIdoC.NeitherhaveID.NeitherdoI()5.Haveyou_____beenonabeachvacation?A.alreadyB.yetC.justD.ever()6.Jim_____thearmyin2003.He____asoldierfor3years.A.hasbeen;joinedB.joined;hasbeenC.joined;joinedD.hasbeen;hasbeenDBC()7.--I_____anEnglish-Chinesedictionary.--When______you_______it?A.havebought;did;buyB.buy;do;buyC.havebought;will;buyD.buy;have;buy()8.___hasheworkedforyouasareporter?A.HowoftenB.HowsoonC.HowlongD.Howmany()9.Tinahasn'tturnedoffherradio______.A.alreadyB.yetC.justD.everACB1.Thisfactoryopenedtwentyyearsago.Thisfactory______________________fortwentyyears.2.MissGaoleftanhourago.MissGao_______________________________anhourago.Ⅱ.同义句转换hasbeenopenhasbeenawaysince3.Hermotherhasbeenapartymemberforthreeyears.Hermother_______thePartythreeyears________.4.TheGreenFamilymovedtoFrancetwoyearsago._______twoyears________theGreenfamilymovedtoFrance.joinedagoIt’ssinceHomeworkUsethepresentperfectwithalreadyandyettowriteapassage.Talkaboutsomethingyoushouldbedoneinweekends.