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延续性动词与非延续性动词及其转换动词按其动作发生的方式、发生过程的长短可分为延续性动词与非延续性动词。
一.延续性动词表示能够延续的动作,如：learn, work, stand, lie, know, walk, keep, have, wait, watch, sing, read, sleep, live, stay等。
延续性动词可以与表示时间段的状语连用。
表示时间段的短语有: ⑴for+一段时间, 如：for 2 years; ⑵since从句, 如since he came here; since+过去时间点名词, 如since last year, since 5 days ago。
例: He has lived here for 6 years.You can keep the book for 5 days.二.非延续性动词也称终止性动词、瞬间动词, 表示不能延续的动作,这种动作发生后立即结束。
如:open, die, close, begin, 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，如：two years ago; at 5 o'clock;例:He died 5 years ago.三.延续性动词与非延续性动词之间的转换：（考试重点，学生易错。
）例：He left five minutes ago. = He has been away for five minutes.这句话的意思是指他离开的动作是5分钟之前发生的，是过去时。
也就是说从他离开到现在已经有五分钟了，这个动作是延续的，要用现在完成时，并且要把原来的短暂性动词改为延续性动词。
一些短暂性动词及相应的延续性动词：arrive（get to /reach）→ be here (in) begin(start) → be ondie → be deadleave → be away (from)finish → be overopen → be openjoin → be in或be a member of…+组织机构close → be closedborrow →ke epbuy/get →havebecome → be。
现在完成时（短暂性动词与延续性动词）的用法基本结构：主语+have/has+过去分词(done)①肯定句：主语+have/has+过去分词+其他②否定句：主语+have/has+not+过去分词+其他③一般疑问句：Have/Has+主语+过去分词+其他④特殊疑问句：特殊疑问词+一般疑问句（have/has+主语+过去分词+其他）（1）现在完成时用来表示现在之前已发生过或完成的动作或状态,但其结果却和现在有联系,也就是说,动作或状态发生在过去但它的影响现在还存在.I have spent all of my money.(含义是:现在我没有钱花了.)Jane has laid the table.(含义是:现在桌子已经摆好了.)Michael has been ill.(含义是:现在仍然很虚弱)He has returned from abroad. (含义是:现在已在此地)（2）现在完成时可以用来表示发生在过去某一时刻的,持续到现在的动作（用行为动词表示）或状态（be动词表示）常与for（+时间段）,since（+时间点或过去时的句子）连用. Mary has been ill for three days.I have lived here since 1998.注（超重要）：瞬间动词（buy,die,join,lose……）不能直接与for since 连用。
要改变动词come-be go out-be out finish-be over open-be opendie-be dead1.have代替buyMy brother has had(不能用has bought) this bike for almost four years.2、用keep或have代替borrowI have kept(不能用have borrowed) the book for quite a few days.3、用be替代becomeHow long has your sister been a teacher?4、用have a cold代替catch a coldTom has had a cold since the day before yesterday.5、用wear代替put onb)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open 8、be closed代close/shut9、be＋missing(gone,lost)代losec)用“be＋副词”代终止性动词1“be＋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d)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常用瞬间动词变延续性动词表：1. have arrived at/in sw. got to/reached sw. come/gone/moved to sw.→have been in sw./at…相应的介词2. have come/gone back/returned → have been back3. have come/gone out →have b een out4. have become → have been5. have closed / opened→ have been close/open6. have got up → have been up；7. have died → have been dead；8. have left sw. → have been away from sw.9. have fallen asleep/got to sleep → have been asleep；10. have finished/ended/completed → have been over；11. Have married → have been married；12. have started/begun to do sth. → have done sth. ；13. have begun → have been on14. have borrowed/bought →have kept/had15. have lost → haven’t had16. have put on →have worn17. have caught /get a cold → have had a cold；18. have got to know → have known19. have/has gone to → have been in20. have joined/have taken part in the league/the Party/the army→have been a member of/ have been in/have been the Party’s member/the league member/the soldier…注意：1.现在完成时不能单独与准确时间连用，(如表示过去的时间状语）如yesterday(morning、afternoon),last(morning、afternoon)等，除非与for,since连用.2.现在完成时往往同表示不确定的过去时间状语连用,如already（肯定）, yet（否定，疑问）, just, before, recently,still, lately等:He has already obtained(得到\获得) a scholarship(奖学金).I haven't seen much of him recently (lately).We have seen that film before.Have they found the missing child yet ?3. 现在完成时常常与表示频度的时间状语连用,如often, sometimes, ever, never, twice等:Have you ever been to BeijingI have never heard Bunny say anything against her.I have used this pen only three times. It is still good.4. 现在完成时还往往可以同包括现在时间在内的时间状语连用,如now, these days/weeks/months/years, this morning/week/month/year, just, today, so far 等:Peter has written six papers so far.There has been too much rain in San Francisco this year.5.现在完成时的"完成用法"现在完成时的"完成用法"指的是动作发生在过去某一时刻并已结束，但该动作对现在产生了影响，与现在情况具有因果关系。
短暂性动词，延续性动词与现在完成时姓名：短暂性动词（终止性动词），是指动作一旦发生就很快就结束。
它不能和一段时间连用。
这类动词有：go, come, arrive, leave, begin, start, join, marry 等；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。
但是，在否定句中，短暂性动词可以和表示一段时间的状语连用。
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。
值得注意的是，表示一段时间的状语除了“for+一段时间”夕卜，还有since+n./从句（时间点）,since+寸问段+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：这位老人已经死了十年了。
The old man has died for ten years. （ x ）（die “死”短暂性动词，不能与for+一段时间连用）The old man has been dead for ten years/since 10 years ago （V）（dietbe dead, die是短暂性动词，表示死的动作，这个动作很快就结束了，变成了表示状态的be dead, dead是die的形容词，表示死了的状态，可以延续）2. 我买了这块手表五年了。
I have bought this watch for five years. （ x ）（buy "买”短暂性动词，不能与for+ 一段时间连用）I have had this watch for five years/since 5 years ago. （V）（buyThave, buy这个动作在付完钱已经结束了，买完后是拥有have的状态，have 可以延续）3. 我离开家乡已十年了。
一、现在完成时的谓语动词如果是短暂性动词，通常不能与表示一段时间的短语及短语（或从句）等连用。
应将短暂性动词改为相应的延续性动词。
如：1、This factory opened twenty years ago.This factory has been open for twenty years.2、Miss Gao left an hour ago.Miss Gao has been away for an hour.3、Her teacher has been a Party member for 3 years.Her teacher joined the Party 3 years ago.4、The film began two minutes ago.The film has been on since two minutes ago.5、He bought the bike two years ago.He has had the bike for two years.6、The old man died ten years ago.The old man has been dead for ten years.7、He came back 3 days ago.He has been back for 3 days.8、I left my hometown 10 years ago.I have been away from my hometown for 10 years.9、They got married 13 year ago.They have been married for 13 years.10、I borrowed the book a week ago.I have kept the book for a week.How long have you kept the book?注：在否定句中，短暂性动词可以和表示一段时间的状语连用。
延续性与非延续性动词在现在完成时态中的使用
延续性动词和非延续性动词在现在完成时态中的使用有一些区别。
1.延续性动词：
延续性动词表示持续的动作或状态，常见的有live（住）、work
（工作）、study（学习）、wait（等待）等。
在现在完成时态中，延续
性动词通常用来表示一个动作或状态开始于过去，持续到现在，并且可能
会继续下去。
例如：
- I have lived in this city for 10 years.（我在这个城市住了
10年了。
）
2.非延续性动词：
非延续性动词表示瞬间动作或不可数的状态，常见的有arrive（到达）、die（死亡）、finish（完成）、know（知道）等。
在现在完成时
态中，非延续性动词通常用来表示一个动作已经完成或一个状态已经发生，没有持续的时间。
例如：
- She has arrived at the airport.（她已经到达了机场。
）
- The project has finished.（项目已经完成了。
）
- I have known him since childhood.（我从小就认识他了。
）
需要注意的是，有些动词既可以是延续性动词，也可以是非延续性动词，根据上下文来决定其使用方式。
比如，动词sleep（睡觉）可以是延
续性动词，表示持续的睡眠状态，也可以是非延续性动词，表示一次性的睡眠动作。
He joined the Party 2 years ago.He has bee n in the Party for 2 years. I bought the book 5 days ago.子中的谓语动词一般为延续性动词。
但是，有些动词所表示的动作是短暂的，这类动词 叫做非延续性动词。
如： come, go, reach, arrive, leave, borrow, buy, jo in, die, begi n, start, finish 等。
在现在完成时的句子中，非延续性动词作谓语动词时，不能和表示一段时间的 状语连用。
表示动作的连续性，就要把非延续性动词转换成相应的延续性动词或短语，具 体转换如下：（要求记住）come/go/reach/arrivein/be leave 宀 beaway from, borrow keep, buy have, jo inbein/be a member of, die bedead, start/begin rbe finish/endbeer, openbe open (adj.), close be closed (adj.), marry Ice m eatci6/(go back to / returnto beback to go out be outbecome be get upbe dpi be dead fall asleep /get tot sleep be asleepienot have put on wear catch / get a coldhave acold ； get to know knovhave / has gone tohave been in注意：1. 非延续性动词可以在现在完成时的否定句中作谓语，并可以与 for , since 引导的时间状语连用，表示动作的延续过程。
例如：She hasn ' t bought anyew clothes since last year.2. 在现在完成时的肯定句中，非延续性动词作谓语时不能与 for , si nee 引导的表示一段时间的状语连用，但可以用其他句式来表示同一个意思。
延续性动词，短暂性动词与since,for讲解延续性动词表示能够延续的动作。
短暂性动词表示不能延续的动作，这种动作发生后立即结束。
若现在完成时的句子中含表示时间段的时间状语（如含since/for 引导的时间状语），则谓语只能使用延续性动词。
短暂性动词可以转化为延续性动词，方式如下：1.直接换成延续性动词buy买-----have 有borrow借----keep 保留put on穿上---wear 穿着come/go/become来/去/变成----be 在/是2.转换成be+名词join the army 参军----- be a solider 是一名士兵join the party入党------be a Party Member 是党员Go to school 去上学-------be a student 是学生3.转换成be + 形容词/副词die死亡-----be dead是死亡的finish结束-----be over 是结束的begin开始----be on在上映/已开始leave离开----be away 远离的Fall asleep入睡----be asleep 睡着的close关闭----be closed 关着的4.转换成be+介词短语go to school 去上学----be in school 在上学join the army参军---be in the army 在军队中练习题：1、Mr Fan this watch in 2005.He it for 10 years.A.bought；has hadB.bought；has boughtC．has bought；has had D.has bought；had2、Mary came to China three years ago（改为同义句）Mary has in China since three years ago.3、I this book for a week. I have to return it now.A.borrowB.have borrowedC.have keptD.kept。
短暂(duǎnzàn)动词与延续性动词短暂(duǎnzàn)动词与延续性动词1.现在(xiànzài)完成时的构成：have / has + 动词(dòngcí)的过去分词2.现在(xiànzài)完成时的用法：（1）表示某一动作或状态开始(kāishǐ)于过去并持续到现在现在。
（此种用法适用于延续性动词）I have been in Nanyang for around 5 years.我在南阳(nán yánɡ)大约有五年了。
（2）表示过去发生或已经完成的某一动作对现在造成的影响或结果（此种用法适用非延续性动词）。
I can’t go to see the movie now, because I have lost the ticket.现在我看不成电影了，因为我把票弄丢了。
3.现在完成时的标志：just, already, yet, ever, never,recently 近来 = in recent weeks (months, years)在最近的几周（月，年）里,nowadays, for + 一段时间，before (用于句子末尾); so far = up to now = till now; since + 过去某一具体时间点，since + 过去的一段时间 + ago， since + 一般过去时从句，ever since then = ever since = since then = since (自从那时起);in / over /during + the + past(last) + 一段时间。
Eg.On January 11,1998, Dr. Kataria organized the first “World Laughter Day” celebration in Mumbai, India. It was a huge success.The date was later changed to the first Sunday in May and it has been celebrated every year since.4.现在完成时中的特殊用法：短暂动词(dòngcí)的各种时态（包括现在完成时在内）不能和时间段连用(liányòng)，当它需要与时间段连用时需转换为延续性动词。
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 heard 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 fi ve days since I received his letter.His father died three years ago.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 jo in →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 seat ed看一个句子可以用以下几种说法：他离开上海已经3天了。
He left Shanghai three days ago.He has been away from Shanghai for three days/since three days agoIt is/has been three days since he left Shanghai.Three days has passed since he left Shanghai.几点注意事项:（1）have been(to)与have gone( to)的区别：have been(to)表示“去过某地（现在已经回来了）”，可用于各人称；have gone(to)表示“去某地了（说话时某人不在当地）”，可能在去的路上，可能已在某地，也可能在回来的路上，总之，人不在这里。
常用第三人称作主语。
前者可与once,never, several times等连用，后者则不能。
如：They have been to Beijing twice.他们去过北京两次。
He has gone to Beijing他去北京了。
注意比较 has gone to, has been to, has been in的意义：He has gone to Amercia. （他到美国去了。
他不在这里）He has been to Amercia. （他去过美国。
现已回来）He has been in Shanghai. （他在上海呆过。
现在不在上海）He has been in shanghai for years. （他在上海多年。
现在还在上海）（2）终止性动词现在完成时的否定式，已变成一种可以延续的状态，因此可以和表示一段时间的状语连用。
如：I haven 't left here since 1997.自从1997年以来，我一直没有离开过这儿。
★另外，动词的延续性与非延续性还体现在这两种句型中：延续性动词的肯定式+till/until短暂性动词的否定式+till/ until请看例句：We waited until he came.I didn’t go to bed until my father came back home last night.短暂性动词，延续性动词和现在完成时练习I. 句型转换：1. Mr. Li began to teach English in this school in 1999.（同义句）Mr. Li ______ _______English in this school since 1999.2. The factory opened ten years ago.（同义句The factory _______ _____ ______ for ten years.3. John left Beijing three years ago. （同义句）Three years _____ _____ ______ John _____ Beijing.John_____ ______ ______ ______ Beijing _____ three years.4. His company opened in 2003. （同义句His company _____ _____ _____ since 2003.5. My father bought the car half a year ago. （同义句My father ______ ______ the car ____ half a year.6. We got to know each other for about 15 years.（同义句We _____ _____ each other _____ about 15 years.7. The film began ten minutes ago. （同义句The film _____ _____ ____ for ten minutes.8. I borrowed this book two weeks ago. （同义句I _____ _____ this book for two weeks.9. My father came back the day before yesterday.My father has ______ ______ for two days.uncle bought the new car two months ago.My uncle has______ the new car ______two months ago.II. 用have been和have gone填空。
1. Mother isn’t here. She ______ to the barber’s.2. ______ you ever ______ abroad before4. Tom and Mary have just come in. They ______ to a party.5. Tom and Mary aren’t here. They ______ to a Party.6. My father ______ to New York. He left this morning.12. The students ______ to the cinema to see a film today. Now they are back.14. Mr. and Mrs. Smith ______ to London now. They ______ there twice already.18. Miss Li ______ never ______ to China before.19. Where ______ you ______ The meeting has already begun.20. Where ______ he ______ I can’t find him anywhere.Ⅲ.选择题1. The bookshop _____ for eight years.A has been openB has been openedC has openedD has open2. I ______ the club for 5 years so far.A. joinedB. have joinedC. have been in3. The factory ________ since the February of 1988.A . has been open B. has opened C. was open D. opened4. Mary and Rose _______friends since they met in 2000.A. have madeB. have beenC. madeD. have becomemustnt ________ until he comes back.A. be awayB. leaveC. be leftmeeting _______ for a week now.A. has finishedB. has endedC. has been overGao ______ this school for nearly 5 years.A. has been inB. has come toC. has taught______ a teacher for 4 years .A. has beenB. has becomeC. wasD. became9. I ______ home for a week.A. have returnedB. have been backC. returned10. How long _______ he ________A. diedB. has, diedC. has, been dead11. He ______ at eight yesterday afternoon.A. sleptB. was sleepingC. has sleepD. had slept ________ the car for a week.A. boughtB. has boughtC. has hadlong _____ you _____ ill -----Two weeks.A. did fallB. have, fellC. have, been2000, he _____ his hometown.A. has leftB. has moved awayC. has been away fromlend you the book , but you can only _____ it for 2 days.A. borrowB. keepC. takebus ______ on the road for 2 hours so far.A. has stoppedB. stoppedC. has beenyou _____ the jacket these daysA. wearingB. putting onC. dressingD. on________ foe 2 hours.A. got upB. has got upC. has been up19. Tom is ill in hospital. He _______ a cold for several days.A. isB. catchesC. has caughtD. has hadHow long can I ______ the book ------ Two weeks.A. borrowB. lendC. getD. keep21. -- How long ____ you _____the army-- For one and a half years.A. did, joinB. have, been inC. have, joinedD. will, join22. —Oh, Mrs, King. Your dress looks nice. Is it new—No, I _____ it since two years ago.A. hadB. boughtC. have hadD. have bought23. Jack has___for a week.A. had a cold B got a cold C. caught a cold24. “How long have you _____there”“About six years.”A. comeB. goneC. leftD. worked25. Our workshop since two years ago.A. was openB. openedC. has been openD. has o pened26. My grandpa ___ for half a year.A. has been deadB. diedC. has diedD. wasdead27. -- What a nice bike! How long you_ it--Just two weeks.A. will; buyB. did; buyC. are; havingD. h ave; had28. He has ____ the watch for a year.A buyB boughtC haveD had29. I _____this book for two weeks, I have to return it now.A borrowedB have borrowedC keptD have kept30. Her brother _____the Party since 1978.A joinedB has joinedC has been inD was inⅣ.改错He has been to Beijing for over two yearsHe has joined the army since 2001I have borrowed the book for a weekHow long have you bought the bikeMy father has left for shanghai for two daysThe bag has been there three days agoLi Lei's grandfather has died since four years agoHe has finished his homework last night。
