公开课现在完成时课件

现在完成时语法复习现在完成时语法复习PresentPerfectTensesaying:Ifwinterhasalreadycome,canspringbefarbehind?PresentPerfectTensesaying:讨论现在完成时的含义：现在完成时的构成：现在完成时态的标志词：Since和for的区别：Hasbeento和hasgoneto的区别：现在完成时和一般过去时的区别：

讨论现在完成时的含义：现在完成时的含义表示已完成的某一动作对现在造成的影响或结果e.g.Ihavecleanedtheclassroom,soitisclean.2.表示从过去已经开始，持续到现在的动作e.g.WehavelearnedEnglishsincesixyearsago.现在完成时的含义表示已完成的某一动作对现在造成的影响或结果现在完成时的构成：

have/has+动词的过去分词注：动词过去分词的构成分为规则变化和不规则变化，规则变化的动词过去分词与过去式是一样的，不规则变化的动词须特殊记忆。现在完成时的构成：注：动词过去分词的构成分为规则变化和不规则A:Wherehaveyoueverbeen?B:I’vealready/justbeento….ButIhaven’tbeento…yet./Ihaveneverbeento...yet.TibetShanghaiBeijingHainanpairworkA:Wherehaveyoueverbeen?Ti

标志词:already:yet:多用于陈述句，位于have/has后，有时位于句末。e.g.Ihavealreadyfinishedmyhomework.用于疑问句和否定句，位于句尾。e.g.Haveyoufoundyourlostbookyet?Ihaven'thadbreakfastyet.ever:never:多用于疑问句，问初次经历。e.g.HaveyoueverbeentoBeijing?用于否定句，位于have/has后e.g.Hehasneverarguedwithotherpeople.just:before:多用于陈述句，位于have/has后e.g.Lucyhasjustwashedherclothes.e.g.Ihavereadthisbookbefore.用于各种句式，常放在句尾。标志词sofar,once/twice/threetimes,allone'slife

inthepastthreeyearse.g.Theyhavelearnt2000wordssofar.Tomhasseenthefilmtwice.

Herfatherhasworkedinthefactoryallhislife.

e.g.Theyhavebuiltmanyhighbuildings

inthepastthreeyears.

sofar,once/twice/t无标志词的：e.g.Heisnotfeelingwellnow.Hehascaughtacold.Ihavelostthekey.Ican'tgointomyroom.无标志词的：e.g.Heisnotfeelingw

Since和for的区别：1）for+一段时间

e.g.Wehavelivedinthiscityfortenyears.

2）since+过去点时间

since+一段时间+agosince+从句（从句用一般过去式）

e.g.Hehasworkedheresince1990.Shehastaughtinthisschoolsincetwoyearsago.Wehaveknowneachothersincewemet.Howlong用于对以上两个时间短语提问Since和for的区别：1）for+一段时间

e.for+一段时间

since+过去时间点/句子(一般过去时）/时间段+ago

1.Ihavelivedhere____Iwasborn.2.Billhasslept____threehoursandahalf.3.Hehasbeenaway___twodaysago.4.Wehaven’tseeneachother____alongtime.5.They’vewatchedTVplay_____nine.6.It’sfiveyears_____wemetlasttime.7.Hisparentshavebeendead_____severalyears.

sinceforsinceforsincesinceforfor+一段时间1.Ihavelivedher注意：表示短暂动作的瞬间性动词，如come、go、buy等的完成时态就不能与for、since等表示一段时间的状语连用，但可以与这类词相应的延续性动词或短语连用。瞬间动词的用法口诀；现在完成在瞬间，非延只连时间点，终止须转换，否定方可碰一段说明：1瞬间动词又叫非延续性动词或终止性动词，它可以有现在完成时态，但不可以接一段时间；如果要接一段时间，就必须把它转换成相应的延续性动词。2瞬间动词在完成时态中的否定式中可以接一段时间。

瞬间动词的用法口诀；现在完成在瞬间，非延只连时间点，终止

巧记10个瞬间性动词的转换“巧记10个瞬间性动词的转换在现在完成时态中，短暂性动词不能持续，不能与for和since引导的时间状语连用，因此，得把短暂性动词转化为延续性动词短语。1.Ihaveboughtthebookfortwoyears。改错2.Shehasleftsince2009。

3.Ihaveborrowedthebooksincetwodaysago.Ihavehadthebookfortwoyears.Shehasbeenawaysince2009.Ihavekeptthebooksincetwodaysago.在现在完成时态中，短暂性动词不能持续，不能与for和sincA:Oh,whatfineweather!Ienjoylyingonthebeach.B:Me,too.Oh,whereisLucy?Ihaven’tseenherforalongtime.Doyouknowwheresheisnow?A:ShehasgonetoBeijing.B:Oh,Isee.A:HaveyoueverbeentoShanghai?B:Yes.NowIliveinShanghaiandIhavebeeninShanghaifortwomonths.A:Oh,whatfineweather!Ienj小结小结1.A:Where’sJim,LiLei?B:He______________hisschoollibrary.2.TheGreens_____________Chinaforthreeyears.3.We_____________theGreatWalltwice.It’sverybeautiful.hasgonetohavebeeninhavebeento1.A:Where’sJim,LiLei?has1.Janehas_____toBeiJing.Shewillcomebacktomorrow.A.beenB.neverbeen C.wentD.gone2.Hello,thisisMr.Greenspeaking.CanIspeaktoMr.Black?--Sorry.He______theBainiaoPark.A.hasbeentoB.hasgoneto C.wentto D.willgoto3.--____youever____totheUS?--Yes,twice.A.Have,goneB.Have,been C,Do,go D.were,goingBBD1.Janehas_____toBeiJing.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，与现在有关。

一般过去时，仅仅表示在过去某一时刻曾发生过这一动作，与现在无关。HehasstudiedEnglishforfiveyears.

HestudiedEnglishforfiveyears.

（学习英语已经五年了，现在仍然在学）

（只说明他过去学过五年英语，但现在不学了。）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EXERCISEHe_________(work)inourschoolforoneyear.He______(come)toourschoollastyear/in2002.They__________(cook)thesupperalready.They_______(cook)thesupperhalfanhourago.hasworkedcamehavecookedcookedEXERCISEHe_________(work)in2.Thefamouswriter____onenewbookinthepasttwoyear.

Ａ.iswritingＢ.waswriting

Ｃ.wroteＤ.haswritten3.—Ourcountry______alotsofar.—Yes.Ihopeitwillbeeven______.

Ａ.haschanged;wellＢ.changed;goodＣ.haschanged;betterＤ.changed;better4.HarryPotterisaverynicefilm.I_______ittwice.Ａ.willseeＢ.haveseenＣ.sawＤ.see1.HaveyoumetMrLi______？Ａ.justB.agoＣ.beforeＤ.amomentago

ＤＣＢC2.Thefamouswriter____one5.—ThesefarmershavebeentotheUnitedStates.

—Really?When___there?

Ａ.willtheygoＢ.didtheygo

Ｃ.dotheygoＤ.havetheygone

6.—______you___yourhomeworkyet?

—Yes.I_____itamomentago.

Ａ.Did;do;finished

B.Have;done;finishedＣ.Have;done;havefinishedＤ.will;do;finishBB5.—Thesefarmershavebeen牛刀小试1—Whatanicewatch！Howlong__you__it？—JustthreeweeksAwill，buyBdid，buyChave，had2—

you___inGreenerChinaforalongtime？—Yes，IjoineditfiveyearsagoAHave，beenBHas，joinedCHave，joined3TeacherLi

Japan，he___JapanfortwoyearsAhasbeento，hasbeentoBhasgoneto，hasbeeninChasgoneto，hasbeento4Thestudentsaresorrytohearthatthefamoussinger

forhalfanhourAhasleftBhasbeenawayChasgoneaway5I

thisbookfortwodays，IhavetoreturnitnowAborrowedBhaveborrowedChavekept（C）（A）（B）（B）（C）牛刀小试1—Whatanicewatch！Ho6----When

you

youroldfriend?----Thedaybeforeyesterday.Awill,visitBdid,visitChave,visited7MrsWhite___inthisschoolsinceshecamehere.AteachesBtaughtChastaught8Nochildren____footballinthestreetsinceacarhitaboylastSunday.AhaveplayedBplayedCplaying9----I’msorrytokeepyouwaiting.----Oh,notatall,I___hereonlyforafewminutes.AwasBhavebeenCwillbe10Hisfather

since1936.AdiedBhasdiedChasbeendead（B）（C）（A）（B）（C）6----WhenyouWritingThinkaboutyourfavoritethingfromchildhoodwhichyoustillhave.Forexample,itcanbeatoyorabook.Thenwriteitdownusingthequestions.WritingThinkaboutyourfavori1.Howlonghaveyouhadit?2.Howdidyougetit?Didsomeonegiveittoyou?Who?3.Whydoyoulikeitsomuch?Whyisitspecial?4.Canyousayanythingmoreaboutit?1.Howlonghaveyouhadit?Thankyouandseeyoulater.Thankyouandseeyoulater.现在完成时语法复习现在完成时语法复习PresentPerfectTensesaying:Ifwinterhasalreadycome,canspringbefarbehind?PresentPerfectTensesaying:讨论现在完成时的含义：现在完成时的构成：现在完成时态的标志词：Since和for的区别：Hasbeento和hasgoneto的区别：现在完成时和一般过去时的区别：

讨论现在完成时的含义：现在完成时的含义表示已完成的某一动作对现在造成的影响或结果e.g.Ihavecleanedtheclassroom,soitisclean.2.表示从过去已经开始，持续到现在的动作e.g.WehavelearnedEnglishsincesixyearsago.现在完成时的含义表示已完成的某一动作对现在造成的影响或结果现在完成时的构成：

have/has+动词的过去分词注：动词过去分词的构成分为规则变化和不规则变化，规则变化的动词过去分词与过去式是一样的，不规则变化的动词须特殊记忆。现在完成时的构成：注：动词过去分词的构成分为规则变化和不规则A:Wherehaveyoueverbeen?B:I’vealready/justbeento….ButIhaven’tbeento…yet./Ihaveneverbeento...yet.TibetShanghaiBeijingHainanpairworkA:Wherehaveyoueverbeen?Ti

标志词:already:yet:多用于陈述句，位于have/has后，有时位于句末。e.g.Ihavealreadyfinishedmyhomework.用于疑问句和否定句，位于句尾。e.g.Haveyoufoundyourlostbookyet?Ihaven'thadbreakfastyet.ever:never:多用于疑问句，问初次经历。e.g.HaveyoueverbeentoBeijing?用于否定句，位于have/has后e.g.Hehasneverarguedwithotherpeople.just:before:多用于陈述句，位于have/has后e.g.Lucyhasjustwashedherclothes.e.g.Ihavereadthisbookbefore.用于各种句式，常放在句尾。标志词sofar,once/twice/threetimes,allone'slife

inthepastthreeyearse.g.Theyhavelearnt2000wordssofar.Tomhasseenthefilmtwice.

Herfatherhasworkedinthefactoryallhislife.

e.g.Theyhavebuiltmanyhighbuildings

inthepastthreeyears.

sofar,once/twice/t无标志词的：e.g.Heisnotfeelingwellnow.Hehascaughtacold.Ihavelostthekey.Ican'tgointomyroom.无标志词的：e.g.Heisnotfeelingw

Since和for的区别：1）for+一段时间

e.g.Wehavelivedinthiscityfortenyears.

2）since+过去点时间

since+一段时间+agosince+从句（从句用一般过去式）

e.g.Hehasworkedheresince1990.Shehastaughtinthisschoolsincetwoyearsago.Wehaveknowneachothersincewemet.Howlong用于对以上两个时间短语提问Since和for的区别：1）for+一段时间

e.for+一段时间

since+过去时间点/句子(一般过去时）/时间段+ago

1.Ihavelivedhere____Iwasborn.2.Billhasslept____threehoursandahalf.3.Hehasbeenaway___twodaysago.4.Wehaven’tseeneachother____alongtime.5.They’vewatchedTVplay_____nine.6.It’sfiveyears_____wemetlasttime.7.Hisparentshavebeendead_____severalyears.

sinceforsinceforsincesinceforfor+一段时间1.Ihavelivedher注意：表示短暂动作的瞬间性动词，如come、go、buy等的完成时态就不能与for、since等表示一段时间的状语连用，但可以与这类词相应的延续性动词或短语连用。瞬间动词的用法口诀；现在完成在瞬间，非延只连时间点，终止须转换，否定方可碰一段说明：1瞬间动词又叫非延续性动词或终止性动词，它可以有现在完成时态，但不可以接一段时间；如果要接一段时间，就必须把它转换成相应的延续性动词。2瞬间动词在完成时态中的否定式中可以接一段时间。

瞬间动词的用法口诀；现在完成在瞬间，非延只连时间点，终止

巧记10个瞬间性动词的转换“巧记10个瞬间性动词的转换在现在完成时态中，短暂性动词不能持续，不能与for和since引导的时间状语连用，因此，得把短暂性动词转化为延续性动词短语。1.Ihaveboughtthebookfortwoyears。改错2.Shehasleftsince2009。

3.Ihaveborrowedthebooksincetwodaysago.Ihavehadthebookfortwoyears.Shehasbeenawaysince2009.Ihavekeptthebooksincetwodaysago.在现在完成时态中，短暂性动词不能持续，不能与for和sincA:Oh,whatfineweather!Ienjoylyingonthebeach.B:Me,too.Oh,whereisLucy?Ihaven’tseenherforalongtime.Doyouknowwheresheisnow?A:ShehasgonetoBeijing.B:Oh,Isee.A:HaveyoueverbeentoShanghai?B:Yes.NowIliveinShanghaiandIhavebeeninShanghaifortwomonths.A:Oh,whatfineweather!Ienj小结小结1.A:Where’sJim,LiLei?B:He______________hisschoollibrary.2.TheGreens_____________Chinaforthreeyears.3.We_____________theGreatWalltwice.It’sverybeautiful.hasgonetohavebeeninhavebeento1.A:Where’sJim,LiLei?has1.Janehas_____toBeiJing.Shewillcomebacktomorrow.A.beenB.neverbeen C.wentD.gone2.Hello,thisisMr.Greenspeaking.CanIspeaktoMr.Black?--Sorry.He______theBainiaoPark.A.hasbeentoB.hasgoneto C.wentto D.willgoto3.--____youever____totheUS?--Yes,twice.A.Have,goneB.Have,been C,Do,go D.were,goingBBD1.Janehas_____toBeiJing.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，与现在有关。

一般过去时，仅仅表示在过去某一时刻曾发生过这一动作，与现在无关。HehasstudiedEnglishforfiveyears.

HestudiedEnglishforfiveyears.

（学习英语已经五年了，现在仍然在学）

（只说明他过去学过五年英语，但现在不学了。）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EXERCISEHe_________(work)inourschoolforoneyear.He______(come)toourschoollastyear/in2002.They__________(cook)thesupperalready.They_______(cook)thesupperhalfanhourago.hasworkedcamehavecookedcookedEXERCISEHe_________(work)in2.Thefamouswriter____onenewbookinthepasttwoyear.

Ａ.iswritingＢ.waswriting

Ｃ.wroteＤ.haswritten3.—Ourcountry______alotsofar.—Yes.Ihopeitwillbeeven______.

Ａ.haschanged;wellＢ.changed;goodＣ.haschanged;betterＤ.changed;better4.HarryPotterisaverynicefilm.I_______ittwice.Ａ.willseeＢ.haveseenＣ.sawＤ.see1.HaveyoumetMrLi______？Ａ.justB.agoＣ.beforeＤ.amomentago

ＤＣＢC2.Thefamouswriter____one5.—ThesefarmershavebeentotheUnitedStates.

—Really?When___there?

Ａ.willtheygoＢ.didtheygo

Ｃ.dotheygoＤ.havetheygone

6.—______you___yourhomeworkyet?

—Yes.I_____itamomentago.

Ａ.Did;do;finished

B.Have;done;finishedＣ.Have;done;havefinishedＤ.will;do;finishBB5.—Thesefarmershavebeen牛刀小试1—Whatanicewatch！Howlong__you__it？—JustthreeweeksAwill，buyBdid，buyChave，had2—

you___inGreenerChinaforalongtime？—Yes，IjoineditfiveyearsagoAHave，beenBHas，joinedCHave，joined3TeacherLi

Japan，he___JapanfortwoyearsAhasbeento，hasbeentoBhasgoneto，hasbeeni