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1、关于延续性动词与非延续性动词在现在完成时中的运用PPT第1页，讲稿共18张，创作于星期六一、一、延续性动词可以与延续性动词可以与表示时间段的状语连用表示时间段的状语连用。表示时间段的短语有表示时间段的短语有:for+一段时间,如：for 2 years，for a long time;since从句,如：since he came here;since+时间点名词,如：since last year,since 5 days ago;how long等。第2页，讲稿共18张，创作于星期六二二.非延续性动词也称终止性动词、瞬间动词或点动词非延续性动词也称终止性动词、瞬间动词或点动词,表示表示不能
2、延续的动作不能延续的动作,这种动作发生后立即结束这种动作发生后立即结束。如:open,die,close,begin(start),finish,come,go,move,borrow,lend,buy等。非延续性动词在肯定句中与表示时间点的状语连用非延续性动词在肯定句中与表示时间点的状语连用，如：twoyearsago;at5oclock;eg：Hedied5yearsago.第3页，讲稿共18张，创作于星期六终止性动词所表示的动作极其短暂且不能持续，终止性动词所表示的动作极其短暂且不能持续，所以所以在完成时的肯定句中不能和表示一段时间在完成时的肯定句中不能和表示一段时间的状语连用。的状语连
3、用。如：for3years，sincehecamehere，howlong，ect.且看下面三个错误句子：1)Jimhascomehereforfiveyears.2)Hehasdiedfor3years.否定的终止性动词可以与表示时间段的时间状语连用。第4页，讲稿共18张，创作于星期六现在完成时中延续性动词和非延续性动词现在完成时中延续性动词和非延续性动词 延续性动词：延续性动词：study learn sleep live sing dance swim drink teach keep非延续性动词：非延续性动词：buy borrow lend die leave begin come/g
4、o 这些动词不能和这些动词不能和 how long;for.since连用连用 要把它们变成其他相应的词要把它们变成其他相应的词.-（buy买了买了）have/has had （borrow借了借了）have/has kept （start/begin开始开始 了了）have/has been on（leave离开了离开了）have/has been away(from).（来到某地（来到某地/去某地去某地.）have/has been in（die 死了死了）have/has been dead for since.第5页，讲稿共18张，创作于星期六如果终止性动词在现在完成时句子中需要同有段
5、时间状语连用，解决这一逻辑矛盾的方法就是将终止性动词转换为延续性动词。第6页，讲稿共18张，创作于星期六三、延续性动词与终止性动词之间的转换三、延续性动词与终止性动词之间的转换1、用相应的延续性动词替换句中的终止性动词：borrow-keep,buy-have,become/come/go-be,catchacold-haveacold,opensth.-keepsth.open,puton-wear,eg.Iboughtthebook5daysago.Ihavehadthebookfor5days.第7页，讲稿共18张，创作于星期六2、将终止性动词转换为将终止性动词转换为be+介词短语介词短
6、语begin/start-beon,finish-beover,join-bein+组织机构/beamemberof+组织机构,gotoschoolbeinschool,getto/arrive/reach/come/go/move-bein/at+sw.putonbeoneg.Hehasbeeninschoolfor9years.第8页，讲稿共18张，创作于星期六 3、将终止性动词转换为将终止性动词转换为be+名词名词jointhearmybeasoldier,jointheLeague/PartybeaLeague/Partymembergotoschoolbeastudenteg.Hej
7、oinedtheParty2yearsago.HehasbeeninthePartyfor2years.第9页，讲稿共18张，创作于星期六4、用用be+adj./adv.结构替换非延续性动词结构替换非延续性动词close/openbeclosed/open,come/goback/return-beback,comehere-behere,die-bedead,fallasleep-beasleep,fallill-beill,finish/end/completebeover,gothere-bethere,go/leave-beaway（from）,go(get)outbeout,getu
8、p-beup,marrybemarried,movebeoutofeg.Theoldmandied4yearsago.Theoldmanhasbeendeadfor4years.第10页，讲稿共18张，创作于星期六5、去掉短语中的结束性动词去掉短语中的结束性动词begintostudystudy,cometowork=work,gettoknow-know,eg：Wehaveknowneachotherfor3years.6、用用“It is/Has been+time+since”句型表达原句的内容。句型表达原句的内容。但主句一般用现在时或完成时，但主句一般用现在时或完成时，since引导的
9、时间状语或短语从引导的时间状语或短语从句用一般过去时。句用一般过去时。eg：Itis/Hasbeenthreeyearssincewegottoknoweachother.第11页，讲稿共18张，创作于星期六7，用，用“time+have passed since”句型表达同样的意思。句型表达同样的意思。eg.Hehasbeenawayhishometownfor5years.Fiveyearshaspassedsincehelefthishometown.8，把一时间状语改为过去时间状语，原动词的完成时改为过去一，把一时间状语改为过去时间状语，原动词的完成时改为过去一般时。般时。eg.Hel
10、efthishometownfiveyearsago.第12页，讲稿共18张，创作于星期六他参军三年了。Hehasjoinedthearmyfor3years.Hehasbeeninthearmyfor3years.Hehasbeenasoldierfor3years.Itis/Hasbeen3yearssincehejoinedthearmy.Hejoinedthearmy3yearsago.第13页，讲稿共18张，创作于星期六1.我买这本书三年了我买这本书三年了。(1).I bought the book three years ago.(2)I have had the book for
11、 3 years.(3)I have had the book since 3 years ago.How long have you had the book?2.他借这本书两个月了（他借这本书两个月了（1）He borrowed the book two months ago.(2）He has kept the book for 2 months.(3)He has kept the book since 2 months ago.How long has he kept the book?3.李梅离开济南一年了李梅离开济南一年了.(1)Li Mei left Jinan one yea
12、r ago.(2)Li Mei has been away from Jinan for one year.(3)Li Mei has been away from Jinan since 1 year ago.How long has Li Mei been away from Jinan?请大声读句子，每个读三遍。请大声读句子，每个读三遍。第14页，讲稿共18张，创作于星期六会议开始会议开始20分钟了。分钟了。(1)The meeting began 20 minutes ago.(2)The meeting has been on for 20 minutes.(3)The meetin
13、g has been on since 20 minutes.How long has the meeting been on?Tom来中国来中国10个月了。个月了。（1）Tom came to China 10 months ago.(2)Tom has been in China for 10 months.(3)Tom has been in China since 10 months ago.How long has Tom been in China?请大声读句子，每个读三遍。请大声读句子，每个读三遍。第15页，讲稿共18张，创作于星期六Marry的祖父去世三年了。的祖父去世三年了。
14、(1）Marrys grandfather died 3 years ago.(2)Marrys grandfather has been dead for 3 years.(3)Marrys grandfather has been dead since 3 years ago.How long has Marrys grandfather been dead?请大声读句子，每个读三遍。请大声读句子，每个读三遍。第16页，讲稿共18张，创作于星期六1.Tom _for several hours.A.went to bed B.has been in bed C.has gone to be
15、d D.has been to bed2.How long have you_this city?A.been to B.been in C.come to D.gone to 3.My aunt _the TV for 4 months.A.has bought B.was bought C.was had D.has had4.Mr Brown _the car for 3 months.A.bought B.had bought C.has had D.buys5.The old man _for two days.A.has died B.has been dead C.died D.dies 第17页，讲稿共18张，创作于星期六2022/9/15感感谢谢大大家家观观看看第18页，讲稿共18张，创作于星期六