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短暂性动词-延续性动词和现在完成时短暂性动词，延续性动词和现在完成时延续性动词是指动作发生后还可以延续一段时间或者相当长的一段时间。
如：live, work, study, learn, sleep 等，延续性动词可以和表示一段的时间状语连用。
短暂性动词是指动作一旦发生就立即结束。
它不能和一段时间连用。
这类动词有：go, come, arrive, leave, begin, start, join, marry 等；★在否定句中，短暂性动词可以和表示一段时间的状语连用。
We haven’t hea rd from Jane for a long time.★短暂性动词的肯定式不能与表示一段时间的for 或since 或how long 等状语连用。
★值得注意的是，表示一段时间的状语除了“for+一段时间”外，还有since+n./从句（时间点），since+时间段+ago ，疑问词how long ，in the past+时间段，all these+时间段，from…to （时间点）以及till/until+n./句子等等。
例如：.I have received his letter for three days （×） I have received his letter.（√）How long did she leave .（×） How long has she been away? (√)★★★如果短暂性动词与表示一段时间的时间状语连用，必须将短暂性动词改为延续性动词。
现归纳总结一下由非延续性动词到延续性动词的转换：arrive →be here ★除了用上面的转化形式之外，还可以用其他的表达形式：A. It is 或者 It has been+时间+since……（动词用过去式），B.主语+谓语（过去时）+时间+ago 。
例如：It’s five days since I received his letter.arrive →be herebegin(start)→be ondie →be deadcome back →be backleave →be away (from)fall ill(asleep)→beill( asleep) get up →be up go out →be out finish →be over put on →wear 或be on open →be open close →be closed join →be in/ be a member of go to school →be a student borrow →keep buy/get →have catch(a cold)→ have(a cold) get to know →know begin to study →study come to work →work move to → live in finish/end → be over come to → be in sit down → be seatedHis father died three years ago.看一个句子可以用以下几种说法：他离开上海已经3天了。
现在完成时句中有关延续性词问题平和六中曾五龙当现在完成时句中有for或since短语时，或how long问句中，谓语动词就必须使用延续性词！如：①I have bought a pen .我已经买了一根钢笔了。
→ I have had a pen for two hours. 我已经买了一根钢笔两小时了。
(这里不能用bought(买) 而要换had(拥有)，因为，‘两小时’里可以‘拥有’，却不能‘买’)。
②How long has she been away ?(不能说：How long has she left ？)她离开多久了？把短暂性动词转换为延续性词方法举例如下：一、把短暂性动词转换为延续性动词① buy购买→have拥有；② borrow借来→ keep保管；③ put on穿上→ wear穿着；④ catch/get a cold 得了感冒→ have a cold感冒着；⑤ get to know认识上→ know认识(一种状态）；⑥ lose 丢了→ not have不拥有；⑦ start/begin to do sth.开始做某事→ do sth.做某事⑧ fall asleep/get to sleep 入睡→sleep睡着(zhe)/ be asleep睡着的(形容词)二、把短暂性动词转换为：be + 非动词(词组)① finish/end结束→ be over结束(副词)begin开始→ be on在进行(副词)② close关上→ be closed 关着的(形容词)open打开→ be open开着的(形容词)die 死→ be dead死的(形容词)marry结婚→ be married结好婚的(形容词)③ arrive at/in = get to = reach 到达→ be in/at/on 在...(介词短语)（如：arrive at school = get to school= reach school→be at school;arrive at Zhangzhou = get to Zhangzhou = reach Zhangzhou →be in Zhangzhou ;arrive at the farm = get to the farm= reach the farm →be on the farm ）come to 来到= go to去到 = move to搬去→ be in/at/on 在...(介词短语)arrive here = get here = reach here到达这里→ be here 在这里arrive there = get there = reach there到达那里→ be there 在这里arrive home = get home = reach home到达家里→ be at home在家里④ come back回来 = go back 回去= return 回来→ be back回来(副词)；come/go out 出来/去→ be out出来/去(副词)；get up 起床→ be up起来(副词)；leave 离开→ be away from 远离(副词+介词)；⑤ become变成→ be是(一种状态）；⑥ have gone to 已经去了→ have been in已经在⑦ join the league/ the Party/ the army 入团/入党/参军→ be a league member/ a Party member/ a soldier是团员/党员/士兵⑧→ be a member of the league/the Party 是团员/党员→ be in the league/the Party/the army在团里/党里/军队里按要求把短暂性动词转换为延续性词的练习A.1)He got to Beijing five minutes ago.He ________ _________ _________ Beijing for _________ _________.2)I moved to the USA last year.I ________ ________ __________ the USA since __________ __________.3)I went home yesterday.I _______ ________ _________ home for _________ __________.4)They came here last week.They _________ _________ here since _________ __________.B.1)He came out two years ago.He _________ __________ _________ for __________ __________.2)We return to Fuzhou yesterday.We ________ ________ _________ to Fuzhou since __________.C.1)I became a teacher in 2000.I ________ __________ a teacher for _________ _________.2)The river became dirty last year.The river _________ _________ dirty for _________ __________.D.1)The shop closed two hours ago.The shop ________ _________ _________ for _________ _________.2)The door opened at six in the morning.The door ________ ________ ________ for six hours.E.1)I got up two hours ago.I ________ ________ ________ since ________ ________.2)He left Fuzhou just now.He _______ ________ ________ _________ Fuzhou for five minutes.3)My grandpa died in 2002.My grandpa _______ _______ ________for _______ ________.4)The meeting finished at six.The meeting ________ ______ ______ for six hours.5)I got to sleep two hours ago.I ________ _________ _________ since _________ __________.6)They married in 1990.They ________ _________ __________since _________.F.1)I began to teach at this school in 1995.I ____ ____ at this school since ____.2)The film began two minutes ago.The film ____ ____ ____ for ____ ____.G.1)They borrowed it last week.They _________ _________ it since __________ __________.2)I bought a pen two hours ago.I _________ _________ a pen for ________ __________.3)I got to know him last year.I _________ __________ him since __________ __________.4)I put on my glasses three years ago.I __________ __________ my glasses for _________ _________.H.1)He has gone to Beijing.He ____ ____ _____ Beijing for two days.I.1)He joined the league in 2002.He ________ _________ a _________ _________ for two years.He ________ __________ a __________ ___________ the __________ for two years.He ____________ ___________ ___________ the league for two years.2)My brother joined the army two years ago.My brother __________ __________ a ___________ for ___________ ___________.My brother ___________ ___________ in ____________ ___________ for two years.答案按要求把短暂性动词转换为延续性词(当句中有for或since短语时就必须转换为延续性词) A.1）He got to Beijing five minutes ago. 他五分钟前到达北京的。
延续性动词与终止性动词：动词按其动作发生的方式，动作发生过程的长短，分为延续性动词和终止性动词。
延续性动词表示的动词是一种延续的动作，这种动词可以延续下去或产生持久的影响。
如：learn，work，stand，lie，know，walk，keep，have，wait，watch，sing，read，sleep，live终止性动词也称非延续性动词、瞬间动词，表示的动作不能延续，即动作发生立即结束，产生某种结果。
在有了某种结果之后，就不能再继续下去。
如：leave，start，set out，arrive，reach，get to，begin，stop，shut，turn off，marry，put，put on，get up，wake，fall，join，receive，finish，end，complete，become，come，go，die，close，open，break，give，jump，buy，borrow等。
1．终止性动词的用法1）终止性动词可用来表示某一动作的完成，因此可用于现在完成时。
如：The plane has arrived飞机到了。
I have finished my homework．我已完成了作业。
2）终止性动词表示的动作极其短暂，不能持续，所以其现在完成时（只限于肯定式）不能和表示一段时间的状语连用。
如：①他死了三年了。
误：He has died for three years．②他来这儿三个月了。
误：he has come here for three months．①②两句中的动词die和come都为终止性动词，它们可用于完成时，但不能同表示一段时间的状语for three years ／months连用。
那这两句如何译成英语呢？我们可采用下列方法：A．用能够表示持续状态的相应的延续性动词替换句中的终止性动词。
如：①He has been dead for three years．②He has been here for three months．将短暂性动词改为相应的延续性动词或短语和一段时间连用，其常用的方法有如下几种：a．用相应的延续性动词替换的主要有：buy→have，borrow→ keep，come ／go ／become→be，catch ／get a cold→have a cold，get to know→know等。
七年级英语现在完成时单项选择题60题1. I ______ my homework yet.A. haven't finishedB. have finishedC. finishedD. finish答案：A。
本题考查现在完成时的否定形式。
现在完成时的构成是“have/has + 过去分词”，yet 常用于现在完成时的否定句和疑问句中，A 选项“haven't finished”是现在完成时的否定形式，符合题意。
B 选项“have finished”是肯定形式，与yet 不搭配。
C 选项“finished”是一般过去时。
D 选项“finish”是一般现在时。
2. They ______ in this school for three years.A. have studiedB. studiedC. studiesD. study答案：A。
此题考查现在完成时的肯定形式。
“for three years”是现在完成时的标志词，表示一段时间，现在完成时的构成是“have/has + 过去分词”，A 选项“have studied”符合现在完成时的构成。
B 选项“studied”是一般过去时。
C 选项“studies”是一般现在时的第三人称单数形式。
D 选项“study”是一般现在时。
3. My sister ______ the room. It's very clean now.A. has cleanedB. cleanedC. cleansD. is cleaning答案：A。
本题考查现在完成时的用法。
“It's very clean now.”表明房间已经被打扫干净，要用现在完成时，A 选项“has cleaned”是现在完成时的正确形式。
B 选项“cleaned”是一般过去时，只是过去的动作，不强调对现在的影响。
C 选项“cleans”是一般现在时。
D 选项“is cleaning”是现在进行时，表示正在进行的动作。
现在完成时之瞬间动词转变为持续性动词一、兴趣导入：Teacher: Tom, why are you late for school every day?Tom: Every time I come to the corner, a sign says, "School-Go Slow".二、知识点回顾：现在完成时基本用法三、（1）专题讲解：在完成时中,一个瞬间性动词(一次性动作)不能与表示一段时间的状语(for, since, how long等)连用,此时须将该瞬间动词改为延续性动词或状态动词.Eg:buy ( bought ) --- have / has had 买borrow (borrowed) --- have / has kept 借die ( died ) --- have / has been dead 死leave ( left ) --- have / has been away ( from ) 离开begin ( began ) --- have / has been on 开始join ( joined) --- have / has been in 参加--- have / has been a ( party) membergo (went) --- have / has been there / in 去come/arrive/reach/get to --- have / has been here / in 来/到达end (ended) ----- have/has been over 结束eg. The film began five minutes ago.------The film has been on for five minutes.------It has been five minutes since the film began.用“be＋形容词”代终止性动词1、be＋married代marry2、be＋ill代fall (get) ill3、be＋dead代die4、be＋asleep代fall (get) asleep5、be＋awake代wake/wake up6、be＋gone代lose,die,sell,leave7、be＋open代open8、be closed代close/shut用“be＋副词”代终止性动词1“b e＋on”代start,begin2“be＋up”代get up3“be＋back(to)”代return to,come back to,go back to4“be here (there)”代come(arrive,reach,get) here或go (arrive,reach,get) there等等用“be＋介词短语”代终止性动词1.“be in/at +地点”代替go to /come to2.用be in the army 代替join the army3.“be in/at +地点”代替move to四、巩固练习：将瞬间动词变成延续性动词表：1. have arrived at/in....... got to/reached...... come/gone/moved to...... →2. have come/gone back/returned →3. have come/g one out →4. have become →5. have closed / opened→6. have fallen ill→7. have died →8. have left...... →9. have fallen asleep/got to sleep →10. have finished/ended/completed →11. have married →12. have begun →13. have borrowed/bought →14. have/has gone to →15. have joined/have taken part in the league/the Party/the army→五、拓展训练:1.你曾经吃过鱼和薯条吗？2. 我刚刚丢了我的化学书。
现在完成时非延续性动词与延续性动词的转化buy-hadleave-been awayborrow/lend-keptstart/begin-been ongo to-been to/gone to/been income/arrive/get/reach/move---be in/atdie----be deadbegin/start---be onfall asleep----be asleepclose---be closedcatch a cold---have a coldput on ----wearborrow/lend----keepopen---be openbecome-----beleave/go----be away(from)end/finish-----be overfinish/end ---be over start/begin----be on come/go back----be back go/leave ---be away get to know----know become---be join----be a member of / be in …come/arrive-----be here/ in put on —wear go to sleep--- be asleep catch a cold—have a cold marry---be marriedeg:( 误) I have bought the book for 2 weeks .( 正 ) I have had the book for 2 weeks.( 误 ) The dog has died for 5 days.( 正)The dog has been dead for 5 days.2.It is / has been + 段时间since + sentence ( 一般过去时) Eg: ( 误) He has joined the League for three years.( 正)He has been in the League for three years.( 正) He has a member of the League for three years( 正) It is three years since he joined the League. 他入团已三年了1. His father ______ the Party since 1978 .Ａ. joined Ｂ. has joined Ｃ. was in Ｄ. has been in2.—Do you know him well ?—Sure .We _________ friends since ten years ago .Ａ. were Ｂ. have been Ｃ. have become Ｄ. have made3.—How long have you ____ here ?—About two months .Ａ. been Ｂ. gone Ｃ. come Ｄ. arrived4. Hurry up! The play __________ for ten minutes.Ａ. has begun Ｂ. had begunＣ. has been on Ｄ. began5. His uncle died two years ago .（改变句子，句意不变）His uncle has _______ for two years6. Her mother has been a Party member for three years .（同义句）Her mother _______ the party three years ________.7. It _____ ten years since he left the army .Ａ. is Ｂ. has Ｃ. will Ｄ. was8、Miss Gao left an hour ago. (同义句转换)Miss Gao ________ _______ ________ ________ an hour ago.9、Her mother has been a Party member for three years .（同义句）Her mother _______ the Party three years ________ .10、The Green Family moved to France two years ago. (同义句) ____ two years ____the Green family moved to France.11.The bus has arrived here. It arrived ten minutes ago. (合并一个句子)。
现在完成时中瞬间动词变延续性动词总结现在完成时是英语中一种重要的时态形式，用于表示过去发生的动作或事件对现在造成的影响或结果。
在现在完成时中，有两类常见的动词形式，即瞬间动词与延续性动词。
本文旨在总结现在完成时中瞬间动词如何变成延续性动词的规则和特点。
1. 延续性动词的定义：延续性动词表示一个动作或状态在时间上的延续，通常与时间段、频率或者持续性相联系。
例如：live（居住），work（工作），study（学习）等。
2. 瞬间动词的定义：瞬间动词表示一个动作或状态在时间上的瞬间发生，通常没有延续性。
例如：arrive（到达），finish（完成），buy （购买）等。
现在完成时中，将瞬间动词转变为延续性动词的方法如下：1. 加入持续性的时间状语：通过加入表示时间段的状语来表达动作的延续性。
例如：- He has been living in London for three years.（他已经在伦敦居住三年了。
）- She has been studying English since last month.（她从上个月开始一直在学习英语。
）2. 加入频率状语：通过加入表示动作频率的状语来表达延续性。
例如：- They have been playing tennis every weekend.（他们每个周末都在打网球。
）- I have been working out at the gym twice a week.（我每周在健身房锻炼两次。
）3. 加入表示动作状态的状语：通过加入表示动作状态的状语来表达延续性。
例如：- The team has been practicing hard for the upcoming tournament.（这个团队一直在为即将到来的比赛进行努力训练。
）- She has been studying diligently for her exams.（她为了考试一直努力学习。
延续性动词与瞬间动词的转换一、瞬间动词也叫短暂性动词或终止性动词。
这种动词是指它们动作的开始也就意味着动作的结束，所以不能直接跟表示一段的时间状语连用。
那么，如何使瞬间动词与表示一段时间的状语连用呢？此时，我们可以将这些词转换成意义相近的延续性词（组），从而间接表示其中的意思。
二、瞬间动词与延续性动词的区别：1、用于完成时的区别1）延续动词表示经验、经历；2）瞬间动词表示行为的结果，不能与表示段的时间状语连用。
eg. 1.He has complet ed the work.他已完成了那项工作。
(表结果)2.I've known him since then.我从那时起就认识他了。
(表经历)2、用于till和until从句的差异1）延续动词用于肯定句，表示“做……，直到……”2）瞬间动词用于否定句，表示“到……，才……”eg. 1.He didn't come back until ten o'clock. 他到10点才回来。
2.He slept until ten o'clock.他一直睡到10点。
三、瞬间动词到延续性动词的转换：这里对一些词做一些总结：瞬间动词可转换的延续性动词（组）arrivebe herebegin/start be ondie be deadfall ill/sick/asleep be ill/sick/asleepget up be upgo out be outfinish be overput on wear或be onopen be open(adj.)join be in或bea memberof…close be closedgo to school be a studentborrowkeepbuy havecatch(a cold) have(a cold)get to know knowbegin to study studycome to work workget up be upleave be away from等如：1.He has been a soldier for three years. 他参军三年了。
短暂性动词与延续性动词相互转换对应表短暂性动词延续性动词现在完成时arrive at(in)get to/reachcome/go/move to.be in /at have been in /at come back//go back/returnbe back have been back come out/go out be out have been out become be have beenclose be closed have been closedopen(v) be open(adj.) have been openget up be up have been updie be dead have been deadleave be away from have been away from fall asleep/get to sleep be asleep have been asleep finish/end be over have been over marry/get married be married have been married begin/start be on have been onborrow keep have keptbuy have have hadput on wearcatch/get a cold have a cold have had a coldget to know know have known have/has gone to have/has been injoin the league/the Party/the army be a member/members of;be inhave been amember/members of;have been in语法讲解：1.现在完成时表示过去发生的某一动作或存在的状态，一直持续到现在，并可以和以 for或since引导的表示一段时间的状语连用，也可以用在以“how long”提问的句子中，句子中的谓语动词一般为延续性动词。
现在完成时中非延续性动词（瞬间动词）与延续性动词的转换leave → be away离开;borrow → keep借;buy → have买;begin/start → be on开始/上演;die → be dead;finish ／end ／stop→ be over结束/完成join → be in+组织机构或be a member of+组织机构；open/close sth → keep sth open/closed；fall ill → be ill；get up → be up；catch ／get a cold → have a cold感冒；come here → be here；go there → be there；become → be成为；come back → be back；fall asleep → be asleep睡着；get to/ arrive/reach → be (in)；leave → be away from；get to know → know；go (get) out → be out；put on → wear；catch a cold →have a cold; go to school → be in school ／be a student上学; go abroad → be abroad去国外;marry → be married（to）结婚; wake up → be awake 醒;make friends with → be friends with成为/交朋友;lose → be lost ／be missing ／be gone 丢失; lose one's job ／work → be out of work ／a job请看例句1.The old man died 4 years ago.→ The old man has been dead for 4 years.→ It is 4 years since the old man died.→ Four years has passed since the old man died.请看例句2.He joined the Party 2 years ago.→ He has been in the Party for 2 years.→He has been a Party member for 2 years.请看例句3. He joined the army 5 years ago.→ He has been in the army for 5 years.→ He has served in the army for 5 years.→He has been a soldier for 5 years.请看例句4.I bought the book 5 days ago.→ I have had the book for 5 days.。
