现在完成时ppt精品 小升初ppt课件

PresentPerfectTense,小升初考点-现在完成时,1,PresentPerfectTense现在完成时,2,主语+have/has+过去分词（pp）,现在完成时的结构,Winterhasalreadycome，,willitstillbefarinspring?,3,主语+have/has+过去分词（pp）,否定形式havent(havenot）+过去分词hasnt(hasnot)+过去分词,疑问句把助动词have/has放在句首,现在完成时的结构,注：主语若是第三人称单数助动词用has,4,Youhaveplantedallthetrees.Ihaveplantedallthetrees.He/shehasplantedallthetrees.Theyhaveplantedallthetrees.,区别have和has的用法,主语若是第三人称单数助动词用has,5,1、规则变化（过去分词与过去时变化规则一样）,(1)、一般动词，在词尾直接加“ed”。work-worked-workedvisit-visited-visited(2)、以“e”结尾的动词，只在词尾加“d”。live-lived,过去分词,6,(3)、以“辅音字母+y”结尾的动词，将“y”变为“i”，再加“ed”。，study-studied-studiedcry-cried-cried(4)、重读闭音节结尾，末尾只有一个辅音字母，先双写该辅音字母，再加“ed”。stop-stopped-stoppeddrop-dropped-dropped,7,2、不规则变化,havehadhadam/iswasbeenarewerebeendodiddonegowentgoneseesawseen,8,Presentperfecttense现在完成时,构成:用法一：,表示过去发生的某一动作对现在造成的影响或结果.现在完成时,强调是过去动作与现在的联系,也就是强调现在的影响和结果.,have/has+过去分词,9,1.两个句子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,没有说明与现在的关系，它与表示过去的具体时间连用。（last,ago,yesterday,etc.）,present,past,Ihavelivedherefortwoyears,Ilivedthere2yearsago,10,现在完成时和一般过去时的区别：,现在完成时:强调这一动作产生的结果对现在的影响或结果，与现在有关。一般过去时:仅表示在过去某一时刻曾发生过这一动作，与现在无关。,他已学英语五年了。,HehasstudiedEnglishforfiveyears.,他曾学过五年英语。,HestudiedEnglishforfiveyears.,（说明他还会继续学下去）,（只说明他过去学过五年英语，但现在不学了。）,11,Ivelivedherefortenyears.我在这里住了10年。(现在仍住这儿)Ilivedherefortenyears.我在这里住过10年。(现在不住这儿了)Hehasboughtahouse.他买了一栋房子。(现在已拥有这房子)Heboughtahousetenyearsago.他10年前买了一栋房子。(现在是否仍拥有这房子不清楚),12,一般过去时与现在完成时有一些明显的时间状语。,遇到yesterday,Lastyear,inMay,in+过去某一年，twodaysago,theotherday,justnow等就用一般过去时(表过去的时间),当有sofar,in/during/overthepast/lastfewdays(在过去/最近的几年里)，since接过去时间状语或过去时的句子等常用现在完成时(不能与确定的时间),13,PutthefollowingsentencesintoEnglish.A:火车已经开走了.B:什么时候开走的?A:半个小时之前开走的.A:这本书我已经买了两年了.B:你在哪儿买的?A:在我老家买的.A:你看过这部电影吗?B:看过.A:什么时候看的.B:上周星期天看的.,A:Thetrainhasleft.,B:Whendiditleave.,A:Itlefthalfanhourago.,A:haveyouseenthefilm?B:Yes,Ihave.A:Whendidyouseeit?B:IsawitlastSunday.,A:Ivehadthebookfortwoyears.B:Wheredidyoubuyit?A:Iboughtitinmyhometown.,14,现在完成时不能与表示过去的时间状语连用，常与之连用的时间状语有：,before,bynow(sofar),once,twice,just,recentlyyet(否/疑),already(肯),ever,never,alloneslife,in/during/overthepast/last5years,15,（1）already,肯定句:“己经”,一般疑问句:句末(表示惊讶的语气)“难道”,Haveyouhadbreakfastalready？(表示强调),Ivealreadyhadbreakfast.(常见)=Ivehadbreakfastalready.,16,注:有already的句子在时态上并不都是现在完成时,判断时要看该词后是否有动词的过去分词.Eg.Shesalreadyeightyyearsold.Itwasalreadyverylate.,17,(2)yet,否定句:句末“还(没)”,疑问句:句末“己经”,Haveyouhadbreakfastyet?,Ihaventhadbreakfastyet.,18,注意：当在肯定句中含already或just，变否定时，在句末加yet。,Ihaventseenthefilmyet.,Motherhasjustcleanedthehouse.,Motherhasntcleanedthehouseyet.,Ihavealreadyseenthefilm.,19,(3)ever,肯定句/疑问句:句中“曾经”,IveeverbeentoBeijing.HaveyoueverbeentoBeijing?,20,(4)never,否定句:句中“从来没有”IveneverbeentoBeijing.,21,注:带ever的肯定句变否定句时,将ever变never,Hehasevermademeal.,Havetheyevertravelledbytrain?No,never.,Hehasnevermademeal.,带ever的一般疑问句作否定回答时可用“No,never.”,22,(5)just,用于句中,表示“刚刚”Ivejusthadbreakfast.Whathavetheyjustdone?,23,(6)before,用于句末,表示“以前”Iveseenitbefore.Hassheriddenabikebefore?,24,Exercises,1.I_(have)lunchalready.2.Hasthetrain_(arrive),yet?3.Tome_never_(beto)China.4.Thetwin_just_(see)myfather.5.Thetwins_(see)myfatherjustnow.6.Manytallbuildings_(build)inthepast5years.,havehad,arrived,has,beento,has,seen,saw,havebeenbuilt,25,用法二：E.g.Katehaslivedherefor3years.Katehaslivedheresince3yearsago.KatehaslivedheresinceshecametoChina.,表示过去所发生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,26,since:(自以来)1)since+时间点Hehasstayedheresince5oclock.2)since+时间段+agoHehasstayedheresince5hoursago.3)since+从句（句中的谓语动词为过去式）ShehastaughtEnglishsincehecamehere.for:(长达）for+时间段Hehaskeptthebookfor2weeks.,since,for的用法:,27,注意:对for或since引导的时间状语提问必须用_,1.Ihavelivedherefor10years.,Howlonghaveyoulivedhere?,2.Shehasstoodheresince2hoursago.,Howlonghasshestoodhere?,howlong,28,选用for和since填空:1.Wehaventseeneachother_alongtime.2.HisfatherhasbeenintheParty_10yearsago.3.Thefilmhasbeenon_20minutes.4.MrGreenhasworkedhere_hecametoChina.5.Hisgrandpahasbeendead_severalyears.,for,since,for,since,for,29,6.Mr.BrownhashadhisTV_15years.7.Ivetakendrivinglessons_lastmonth.8.Mysisterhashadhercellphone_amonth.9.Myfriendshaventvisitedme_mybirthday.10.Wehaventusedourcar_alongtime.11.Shehasnthadagoodcupofcoffee_years.12.Tomhaswornglasses_hewas7yearsold.,for,since,for,since,for,for,since,30,注意:瞬间动词不能和时间段连用.,注意,31,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.,32,这本书我借了一个月了。,Iborrowedthisbookamonthago.,Itis/hasbeenamonthsinceIborrowedthebook.,Ihavekeptthebookforamonth./sinceamonthago.,AmonthhaspassedsinceIborrowedthebook.,33,用法三：havebeento曾经去过某地（已返回）havegoneto去了某地（还没有回来）,A,B,A,B,巧记：beento，goneto意不同，两者用法要记清；havebeento+地名，曾经到过某地行；havegoneto+地点，到某地去了已走远。havebeenin+地点，在某地呆多久。,34,canyoudistinguish?,hasgoneto,havegoneto,havebeento,beento,beenin,hasbeen,have,hasbeen,Have,35,用have/hasbeento,have/hasgoneto填空：1.Whereisyourbrother?He_theshop.Hellbebacksoon.2._youever_toAmerica?Yes,I_NewYorktwice.3.Hereyouareatlast!Where_you_?I_London.4.David_Australia.Imsurehesalreadyarrived.5.IsBennyhere?No,he_theschoollibrary.Heleftfiveminutesago.,hasgoneto,Havebeento,havebeento,havebeen,havebeento,hasgoneto,hasgoneto,36,典型例题(1)-Doyouknowourtownatall?-No,thisisthefirsttimeI_here.A.wasB.havebeenC.cameD.amcoming(2)-Haveyou_beentoourtownbefore?-No,itsthefirsttimeI_here.A.even,comeB.even,havecomeC.ever,comeD.ever,havecome,D,B,37,当堂检测一、句式变换：（5分,每空1分）1.JackhasvisitedChinabefore.(改为否定句）JackvisitedChinabefore.2.Theyhavecomeintotheclassroom.(改为一般疑问句）comeintotheclassroom?3.Hehasbeenherefor12years.(划线提问）hashebeenhere?,hasnt,Havethey,Howlong,38,1、Hehasneversurfed,?（改成反意疑问句）2、Theyhavebeenheresince2000.(对划线部分提问)havetheybeenhere?3、Theoldman_lastyear.He_forayear.(die)（动词填空）,hashe,Howlong,died,hasbeendead,39,Correcting,1.Ihaveborrowedthebookfor3months.2.Mybotherhasjoinedthearmysincehewas18.3.JackandTomhavelivedheresince5years.4.ThefilmhasbeenonsinceIhavecometothecinema.5.WhenhasMr.Licaughtabadcold?,havekept,hasbeenin/beenamemberofthearmy,since5yearsago/for5years,came,did,catch,40,6.Tenyearshavepassedsincetheygotmarried.7.JimhasgonetoBeijingfor2years.8.Whattimehavethefactoryopened?9.IhavegonetoChunhuaMiddleSchooltwice.,has,hasbeenin,did,open,beento,41,Exercises,()1.Youveneverseensuchawonderfulfilmbefore,_?A.haventyouB.haveyouC.doyouD.dontyou()2.Ihavewatchedthegame.When_you_it?A.have;watchedB.do;watchC.did;watchD.will;watch,()3.Mr.Green_inChinasincefiveyearsago.A.livedB.haslivedC.livesD.isgoingtolive()4.Hisgrandma_fortwoyears.A.diedB.hasdiedC.wasdeadD.hasbeendead,B,C,B,D,42,()5.WhereisHanMeinow?She_toShanghai.Shewillbebackintwodays.A.hasgoneB.hasbeenC.goesD.hadgone()6._you_totheUnitedStated?No,never,butIwenttoCanadaafewyearsagoA.Have;beenB.Have;goneC.Did;goD.Do;go,()7.Youhaventchangedyourmind,_?A.doyouB.areyouC.haveyouD.didyou,()8.Howlonghaveyou_thefootballteamoftheschool?A.playedB.beenatC.joinedDbeenon,A,A,C,D,43,()9.Wherehaveyou_thesedays?Ihave_toKunmingwithmyfriends.Abeen,goneBbeen,beenCgone,beenDgone,gone()10.Howlonghaveyou_thisbook?A.boughtB.borrowedC.hadD.lent()11.Excuseme,_youseenthefilmyet?Yes,I_itlastnight.Ahave,seeBhave,haveseenChave,seenDhave,saw()12.Hehasneverriddenahorsebefore,_?A.isheB.isntheC.hasntheD.hashe,B,C,D,D,44,1、Bothhisparentslooksad.Maybethey_whatshappenedtohim.knew.haveknown.mustknow.willknow2、Hehas_beentoShanghai,hashe?.already.never.ever.still3、HaveyoumetMrLi_？.just.ago.before.amomentago4、Thefamouswriter_onenewbookinthepasttwoyear.iswriting.waswriting.wrote.haswritten,B,B,C,D,45,5、Ourcountry_alotsofar.Yes.Ihopeitwillbeeven_.haschanged;well.changed;good.haschanged;better.changed;better6、ZhaoLan_already_inthisschoolfortwoyears.was;studying.will;study.has;studied.are;studying7、We_XiaoLisinceshewasalittlegirl.know.hadknown.haveknown.knew8、HarryPotterisaverynicefilm.I_ittwice.willsee.haveseen.saw.see,C,C,C,B,46,9、ThesefarmershavebeentotheUnitedStates.Really?When_there?.willtheygo.didtheygo.dotheygo.havetheygone10、_you_yourhomeworkyet?Yes.I_itamomentago.Did;do;finished.Have;done;finished.Have;done;havefinished.will;do;finish11、Hisfather_thePartysince1978.joined.hasjoined.wasin.hasbeenin12、Doyouknowhimwell?Sure.We_friendssincetenyearsago.were.havebeen.havebecome.havemade,B,B,D,B,47,13、Howlonghaveyou_here?Ae.arrived14、Hurryup!Theplay_fortenminutes.hasbegun.hadbegun.hasbeenon.began15、It_tenyearssinceheleftthearmy.is.has.will.was16、MissGreenisntintheoffice.she_tothelibrary.hasgone.went.willgo.hasbeen,A,C,A,A,48,17、Myparents_Shandongfortenyears.havebeenin.havebeento.havegoneto.havebeen18、Thestudentshavecleanedtheclassroom,?A.sotheyB.donttheyC.havetheyD.haventthey19、hasMrWhitebeenamemberofGreenerChinasincehetoChina?A.Howsoon,comesB.Howoften,gotC.Howlong,cameD.Howfar,arrived20、Hisuncleformorethan9years.A.hascomehereB.hasstartedtoworkC.haslivedthereD.haslefttheuniversity,A,D,C,C,49,A）用have(has)been或have(has)gone填空。A:Where_LiFei_?B:He_toHainanIsland.A:Howlong_he_there?B:He_thereforthreedays.A:Whenwillhecomeback,doyouknow?B:Imafraidhewontcomebackrecently.A:CouldyoutellmethewaytoHainanIsland?B:Sorry,I_never_there.A:Howmanytimes_LiFei_tothatplace?B:He_thereonlyonce.,has,