Presentperfecttense现在完成时态8BUnit2Grammar2用法1:现在完成时态的含义是
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关于同志近三年现实表现材料材料类招标技术评分表图表与交易pdf视力表打印pdf用图表说话 pdf
示过去发生的或已完成的动作对现在造成的影响或结果。特点是既涉及过去,又联系现在:动作是过去发生的,结果是现在存在的。Look!Theblackboardissocleannow.Hehascleanedtheblackboard.(他已经擦过黑板了。) 这句话所表示的结果是黑板现在是干净的。用法2:表示动作或状态从过去开始一直延续到现在甚至将来Mikeborrowedthebookstwodaysago.Mikehaskeptthebooksfortwodays.1.WehavelearntEnglish_____3years.______3yearsago._____we_______(come)hereforsincecame_______________________HowlonghaveyoulearntEnglish?5.for+一段时间since+过去的时间点就画线提问用howlong想一想since标志词:for+一段时间,since+过去的时间点,theseyears,sofar,inthepast/last…yearsWe__________(learn)Englishforthreeyears/sincetwoyearsago/since2000.Mr.Green_________(be)inChinatheseyears.They____________(write)15songssofar.Thepopulation____________(grow)moreslowlyinthepasttenyears.Havelearnedhasbeenhavewrittenhasgrown瞬间动作不能于表示一段时间的短语连用,应改用持续性动词。√×××√×√√()()()()()()()()Ihaveboughtanewdictionaryforaweek.Ihavehadanewdictionaryforaweek.我买一本新词典已有一星期了。Theyhavecomeherefortwodays.Theyhavebeenherefortwodays.他们来这儿已经两天了。HehasjoinedtheLeaguememberfortwoyears.HehasbeenaLeaguememberfortwoyears.他已入团两年了。Themanhasbeendeadforseveralyears.Themanhasdiedforseveralyears.这个人已经死了几年了。常见的非延续性动词与延续性动词的转换。buy–havegoout–beoutleave–beawaybegin/start–beoncome/go–bein/atborrow–keepjoin–beamemberdie–bedeadcatchacold–haveacoldbecome–befallasleep–beasleepopen–beopengettoknow–knowclose-beclosedarrive-bein/atgetmarried-bemarriedStop—beover1.Ihaveborrowedthebookfor2weeks.()2.Thefilmhasbegunfor5minutes.()keptbeenon1.这辆自行车我买了两年了。I’ve_____thebike_____twoyears.2.HeleftNanjingtwoyearsago.He____________________Nanjingfortwoyears.3.Themonkeydiedlastmonth.Themonkey_______________foramonth.4.A:Honglong_____you____()B:Twoweeks.A.did,getillB.have,fallenillC.were,illD.have,beenillhadforhasbeenawayfromhasbeendeadD1.Sheisn’therenowbecauseshe____thezoo.A.hasbeentoB.havegonetoC.hasgoneto2.TheGreens_____Guilintwice.D.havegonetoA.havebeentoB.havebeeninC.hasbeenin3.Lilyhasmadelotsoffriendssinceshe___here.A.comeB.hasbeenC.cameD.coming4.Myparents______inBeijingsince1995.A.arelivingB.havelivedC.livedD.willlive5.Hisgrandma______for2years.WasdiedB.hasdiedC.wasdeadD.hasbeendeadCACBDexercise1.--Haveyou________thebike?--Yes,I______it10minutesago.(mend)2.--Ihave______thefilm“Titanic”.--When____you_____it?(see)3.I’msorry,Ihaven’tgotanymoney.I’ve_____(leave)myhandbagathome.4.Ihave_______(read)thebook.5.It’salongtimesincewe______(meet)lastyear.6.Look!Thetrain______just_____.(come)mendedmendedseendidseeleftreadmethascomeexercise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。他已学英语五年了。HehasstudiedEnglishforfiveyears.他曾学过五年英语。HestudiedEnglishforfiveyears.(说明他还继续学下去)(只说明他过去学过五年英语,但现在不学了。)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等就用一般过去时当有sofar,inthepast/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现在完成时和一般过去时He____________(work)inourschoolforoneyear.He______(come)toourschoollastyear/in2002.They_______________(cook)thesupperalready.They___________(cook)thesupperhalfanhourago.hasworkedcamehavecookedcookedBye-bye!