现在完成时态复习课件

现在完成时态现在完成时的用法1.过去发生的动作对现在造成的影响或结果。2.过去已经开始，持续到现在的动作或状态IhadbreakfastIhavejusthad/eatenmybreakfast.(现在我不饿了)I’mnothungrynowImovedherein2010IstilllivehereIhavelivedhereforthreeyears.Ihavelivedheresince2010/threeyearsago.now考点二：pastEg:I____________(learn)Englishforthreeyears.He__________(read)thisstorymanytimes.havelearnthasread（1）already肯定句:“己经”I’vealreadyhadbreakfast.(更常见)=I’vehadbreakfastalready.(2)yet否定句:句末“还(没)”Ihaven’thadbreakfastyet.疑问句:句末“己经”Haveyouhadbreakfastyet? (3)ever肯定句/疑问句:句中“曾经”I’veeverbeentoBeijing.HaveyoueverbeentoBeijing?(4)never否定句:句中“从来没有”I’veneverbeentoBeijing.(5)just用于句中,表示“刚刚”I’vejusthadbreakfast.Whathavetheyjustdone?(6)before用于句末,表示“以前”I’veseenitbefore.Hassheriddenabikebefore?①直接在原形后+ed ②词尾是e时，直接加d ③若词尾为“辅音字母加y”，则变y为i加ed。④末尾只有一个辅音字母的重读闭音节，双写末尾辅音字母加ed.A:规则变化总结过去分词的变化规则B:不规则变化：见课本附页现在完成时的构成：考点一：现在完成时考点解析写出下列单词的过去分词work______pass_______live______Study______stop________eat______workedpassedlivedstudiedstoppedeateneg： stopped droppedshoppedplannedpreferredchattedhave/has+动词的过去分词1.肯定句主语+have（has）＋过去分词注意：该句式中的have或has是助动词，has用于第三人称单数，其它人称一律用have。他已经吃了早饭.现在完成时的句式2.否定句主语+haven't/hasn't＋过去分词3.一般疑问句Have/Has+主语+过去分词Yes，主语(代词主格)+have/hasNo，主语+haven’t/hasn’t．Hasheeatenbreakfast?Yes,hehas.No,hehasn’t.Hehaseatenbreakfast.Hehasn’teatenbreakfast.1.____you____themovieGongfuPandaII?—Notyet.I'llseeitthisSunday.A.Did,seeB.Do,seeC.Have,seen2.HaveyouevervisitedGermany?—_______.ButIexpecttogothereagain.A.PerhapsB.No,Ihaven’tC.Idon’tknowD.Yes,Ihave3.NotonlyJambutalsohisparents_____afewinterestingplacessincetheycametoChina.A.willvisitB.hasvisitedC.havevisitedD.visitedCDCA:这类词常强调动作完成,不强调动作的持续already（已经，还，肯定句）yet（否定句，疑问句）never（从来没有）ever(曾经)twice（两次）recently(近来）before（句末）just（刚刚）DB1.Hepromisedtopickmeupattheschoolgate.However.he__yet.A.didn'tarriveB.doesn'tarriveC.isn'tarrivingD.hasn'tarrived2.Chinadevelopssofast.—That’strue.It______alotalready.A.changesB.changedC.willchangeD.haschanged3.Whywon’tyougotothemoviewithme,Gina?---BecauseI_____ittwice.A.seeB.haveseenC.sawD.willseeD注　意：分清时态，掌握常用时间状语是关键现在完成时态句中常见的时间状语(1)since＋时间段＋ago＝for＋时间段sincetwoweeksago=(2)since+时间点＝for＋时间段since2003=(3)since+从句(常用一般过去时)【2012乐山市】—HaveyouknownDr.Jacksonforalongtime?—Yes,sinceshetheChineseSociety.A.joinedB.joinsC.hasjoinedB.表示从过去一直持续到现在的时间.A自从两周前自2003年fortwoweeksfor10yearsC：其他常见的时间状语inthelast/pastfewyears/months在过去的几年/月里thesedays这些天sofar迄今为止…..1.______you____(see)Mr.Blackthesedays,Jack.Yes,ImethimwhenIwaswalkinginthestreetyesterday.2.Greatchanges________inTongreninthepastfiveyears.A.havehappenedB.havetakenplaceC.havebeenhappenedD.havebeentakenplaceBHaveseen考点三、区分短暂性动词与持续性动词.表示短暂性(瞬间性)的动词在现在完成时的句中不能和一段时间连用.即for,since短语等或howlong问句为了表述这种意思，我们常用相应的延续性动词来代替非延续性动词。五天前他借了这本书。Heborrowedthisbookfivedaysago.Hehaskeptthisbookforfivedays/sincefivedaysago.常见非延续性动词和延续性动词的转变第一类：动词be+adj.diefinishopen/closefallill/asleepmarrysb/getmarriedto第二类：动词be+介词短语/副词.start/beginleavejoincome/goarrive/getto/reach第三类：动词另一个动词buyborrowputonbecomebedeadbeaway(from)bein/beamemberofbeopen/closedbeonbeoverbeill/asleepbemarriedtohavekeepbe(in)wearbe(in)be√×××√×√√()()()()()()()()A:Ihaveboughtanewdictionaryforaweek.B:Ihavehadanewdictionaryforaweek.我买一本新词典已有一星期了。B:Theyhavecomeheresincelastnight.A:Theyhavebeenheresincelastnight.他们来这儿已经两天了。A:HehasjoinedthePartyfortwoyears.B:HehasbeenaPartymemberfortwoyears.他已经入党两年了。A:Howlonghasthemanbeendead.A:Howlonghasthemandied.这个人已经死了多久了？She_____herhometownformanyyears.Noonenearlyknowsher.A.hasbeenawayfromB.hasleftC.hadleftAWhichoneisright?2.否定句中可以用短暂性动词Hehasn’tboughtthebikeforalongtime.注意：1.Itis/hasbeen+一段时间+since+从句.自从某事发生已有一段时间了.我弟弟来北京两年了Itis/hasbeentwoyearssincemybrothercametoBeijing.MybrotherhasbeeninBeijingfortwoyears.have/hasbeento去过某地表示某人的一种经历,和once,twice,already,ever,never等连用. 去某地了,说话时某人已离开此地,在去某地的途中或已在某地一直在某地(已经一段时间).常和for…,since…howlong等连用. have/hasgonetohave/hasbeen（in）考点四：1.—Hello,mayIspeaktoMr.Smith?—Sorry,heisn'tin.He________theoffice.A.hasbeentoB.hasgonetoC.hasbeenaway2.“HaveyoueverbeentoTokyo?”“Yes,I______theretwice.It’samoderncity.”A.havegoneB.havebeenC.hadgone3.—IsMr.SmithstillinShanghai?—Yes,he______therefortwomonths.A.hasbeenB.hasgoneC.hasbeentoD.hasgonetoBBAHaveatry:1.I_____(lose)myiphone5justnow.2.I_____just_____(lose)myiphone5.A:_____you_______(see)HarryPorter?B:Yes,I_____.It’sveryinteresting.A:When_____you_____(see)it?B:I_____ittwoyearsago.考点五：现在完成时与一般过去时的区别didsee现在完成时表示过去发生或已经完成的某一动作对现在产生的影响或结果，强调的是现在的情况。而一般过去时只单纯表示过去的动作或状态，和现在不发生关系，可以和表示过去的时间状语连用。如：yesterday,lastnight,twoweeksago等justnow(一般过去时）just现在完成时losthavelostHaveseenhavesaw1.Thecoffeeiswonderful!Itdoesn’ttastelikeanythingI_______before.A.haveB.washavingC.haveeverhadD.hadeverhad2.Eachofthegirlshere__________totheWestLaketwice.A.havegoneB.havebeenC.hasgoneD.hasbeen3.Sofarthisyear,manynewhouses________inWenchuanwiththehelpofthegovernment.A.buildB.arebuiltC.willbuildD.havebeenbuilt4.Dr.Smith____toLondon.Hewillcomebackinamonth.A:wenttoBhasgonetoChasbeentoD.goesto中考现在完成时态试题小结：本节课主要复习了现在完成时态的构成及用法，希望同学们善于思考和总结，掌握好这一重要时态！