《现在完成时》PPT课件

TheQueen____(tell)herhuntsmantokillSnowWhite.Thehuntsman_____(take)thegirltoaforest.Butthekindmandidnotkillher.Instead,he____(kill)abear,____(take)outitsheartand_____(carry)ittotheQueen.PoorlittleSnowWhite_____(walk)aloneintheforest.She_____(walk)onandon.Atlast,she______(see)alittlehouse.She____(go)inand____(clean)it.Thenshe_____(have)somefoodand___(go)tobed.一般过去时表示过去的动作和状态，常去yesterday，lastyear,twoweeksago,in1990,justnow,inthepast,longlongago,等词连用。1.Whohassatonmychair?2.Whohaseatenfrommyplate?3.Whohastakenapieceofmybread?4.Whohasusedmyfork?5.Whohascutwithmyknife?6.Whohasdrunkoutofmyglass?7.Someonehasvisitedourhouse.Languagepractice现在完成时的结构：肯定：否定：疑问：have/has+动词的过去分词haven’t/hasn’t+动词的过去分词havenot/hasnot+动词的过去分词Have/Has…动词的过去分词….?她已经完成作业。我们已经买了很多东西你父母曾经坐船去大连旅游吗？HaveyourparentstravelledtoDalianbyship?Shehasfinishedherhomework.We’vealreadyboughtalotofthings.Ihaveseenthefilm.我看过这部电影了：肯定：否定：疑问：Ihaven’tseenthefilm.Haveyouseenthefilm?Yes,Ihave./No,Ihaven’t.1.Hehasfinishedhisworktoday.2.Theyhaveknowneachotherformanyyears.3.We’vealreadyhadourlunchatschool.We’vealreadyhadourlunchatschool.Wehaven’thadourlunchatschoolyet.Haveyouhadyourlunchatschoolyet?Grammar什么时候用现在完成时呢？1.要表达“过去的动作对现在造成的影响”与现在完成时连用的几个副词：肯定句:疑问句和否定句:yet常置于句末already,never,ever,just一般置于助动词have/has之后，过去分词之前。already也可以放在句末already（已经）,just（刚刚）,ever（曾经）,yet（还，尚）,never（从未）already,justever,yet,never1.Theyhaven’tbeentoHongKong.(yet)__________________________2.ManyPeoplehavevisitedtheSummerPalace.(already)_____________________________________________ManypeoplehavealreadyvisitedtheSummerPalace.Theyhaven’tbeentoHongKongyet.Putthewordsinthecorrectplaceineachsentence.3.Hehasseenthefilm.(never)________________________________.4.Ihaven’treadthisbook.(yet)_______________________________Hehasneverseenthefilm.Ihaven’treadthisbookyet.5.Wehavestartedtolookatotherplanets.(just)Wehavejuststartedtolookatotherplanets.肯定句改否定句或疑问句中，already改成yet1.IhavealreadyvisitedMountainTai.2.HehasalreadytoldSallyaboutit.3.We’vealreadyhadourlunchatschool.Ihaven’tvisitedMountainTaiyet.Hehasn’ttoldSallyaboutityet.Haveyouhadyourlunchatschoolyet?IndividualactivityExerciseCheckAnswersUse“never,ever,already,just,yet”tofillintheblanks.1.Ihave_______seenhimbefore,soIhavenoideaabouthim.2.Jackhas_________hadhislunch.3.“Haveyou________seenthefilm?”“No,Ihave________seenit.”4.“Hasthebusleft_______?”“Yes,ithas_________left.”5.I’ve_____finishedreadingadetectivebook.neveralready/justeverneveryetalready/justjust1.I____already____(see)thefilm.2.___he___(finish)hisworktoday?Notyet.3.Myfather____just____(come)backfromwork.Heistirednow.4.SofarI_______(make)quiteafewfriendshere.5.I_____just_______(finish)myhomework.6.____you______(find)yoursciencebookyet?Fillintheblankswiththeproperform.Rewritethesentencesasrequired.1.Alicehaswrittenapostcardalready.(改为否定句)Alice_______writtenapostcard_____.2.Peterhasfoundherlostpenontheflooralready..(改为否定句)Peter______foundherlostpenonthefloor_______.3.MissBlackhasalreadytaughtEnglishforfiveyears.(改为一般疑问句)______MissBlacktaughtEnglishforfiveyears____?1.have,their,yet,homework,finished,they(?)2.my,I,yet,seen,haven’t,teacher(.)3.has,eaten,who,from,my,plate连词成句。Havetheyfinishedtheirhomeworkyet?Ihaven’tseenmyteacheryet.Whohaseatenfrommyplate.2.在过去开始的并持续到现在是我动作或状态。它往往和for或since构成的时间状语连用。for+一段时间since+时间点e.g.GreatchangeshavetakenplaceinShanghaisince1983.LilyhasbeeninShanghaiforsevenyears.•1.______twoyears2.____twoyearsago•3.___lastmonth4.______1999•5._______yesterday6._______4o’clock•74hours8._____anhourago•9.___wewerechildren•10._____lunchtime•11.____shelefthere用since和for填空1.JimhasbeeninIreland______Monday.2.JillhasbeeninIreland______threedays.3.HisaunthaslivedinAustralia______5years.4.Maryisinheroffice.Shehasbeenthere______7o'clock.5.Indiahasbeenanindependentcountry______1974.3.表示“曾经去过某地”和表示“已经去了某地”的意思时，可用havebeento和havegoneto.havebeento与havegoneto的区别1.have(has)beento意为“曾经去过某地”，表示现在已经不在那里了。可与just,ever,never等连用。如：I'vejustbeentothepostoffice.我刚才去邮局了。HaveyoueverbeentoHangzhou?你曾经去过杭州吗？MaryhasneverbeentotheGreatWall.玛丽从未去过长城。have(has)beento后面可接次数，表示去过某地几次。I’vebeentoBeijingthreetimes.我去过北京三次。Theyhavebeentothatvillageseveraltimes.他们已经去了那个村庄好几次了。havebeento与havegoneto的区别2.have(has)goneto意为“到某地去了”，表示到了某地或正在去某地的途中。总之，说话时该人不在现场，一般不用第一、第二人称代词作句子的主语。如：—WhereisTom?汤姆在哪里？—Hehasgonetothebookshop.他到书店去了。havebeento与havegoneto的区别havebeento曾经去过某地，人已回来havegoneto去了某地，人还未回来1.Astronautshavebeen/gonetothemoonandreturnedsafely.2.Thespacecrafthasbeen/goneintospace.Itwon’treturn.3.Thespaceshuttlehasbeen/gonetothespacestation.Itwillcomebacktomorrow.4.Thespaceshuttlehasbeen/gonetothespacestation.Itbroughtbacktwoastronauts.Choosethecorrectwords.2.on/discovered/yet/life/they/Mars/haven’t/.____________________________________3.already/astronauts/landed/moon/on/the/have._____________________________________Theyhaven’tdiscoveredlifeonMarsyet.Astronautshavealreadylandedonthemoon.Completethesentenceswiththeexpressionsinthebox.1.Aspacecraft________toMars.It’scomingbacktoEarthnextyear.2.Lotsofastronauts_________tothespacestation.