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1、一、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(短暂性动词)。 (1).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:for 一段时间,for 2 years;since从句,since he came here; since 时间点名词,since last year, since 5 days ago;how long; f
2、or a long time等。 (2).非延续性动词也称终止性动词、瞬间动词或短暂性动词,表示不能延续的动作,这种动作发生后立即结束。 如:open, die, close, begin, finish, come, go, move, borrow, lend, buy等。不能与表示段的时间连用 如:Jin died for 4years. ( die是短暂性动词,不能人死这个动作持续四年的时间,要让这个死这个动作的状态和事实存在,就用be dead来换died) 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
3、'clock;否定的终止性动词可以与表示时间段的时间状语连用。二.延续性动词与非延续性动词之间的转换例句:例:The old man died 4 years ago.-The old man has been dead for 4 years. -The old man has been dead since 4 years ago.- It is 4 years since the old man died.-Four years has passed since the old man died. &
4、#160;例He joined the Party 2 years ago. -He has been in the Party for 2 years. -He has been in the Party since 2 years ago-It is 2 years since he joined the Party-Two yeas has passed since he joined the Party例I bought the book 5 days ago.(用此句来解释怎样变换) - I have ha
5、d the book for 5 days.常用的短暂性动词与延续性动词的转换(1)找短暂性动词相应的延续性动词buy-have borrow-keep begin/start to do- docatch a cold-have a cold(2)找短暂性动词相应的形容词get up-be up put on-be on
6、 open(v.)-be open(adj.)close-be not open fall ill-be ill lose-be missingcome back-be back leave-be away fromcome to/arrive at(in)/reach/get to-be here/there(3)找短暂性动词相应的介词短语go to town-be in tow
7、n join-be in /be a member短暂性动词与延续性动词的转换 短暂动词延续动词延续动词完成式1. borrowkeephave kept2. get to knowknowhave kn
8、own3. catch a coldhave a coldhave had a cold4. buyhavehave had5. diebe deadhave been dead6. openbe openhave been open7. closebe closedhave been closed8. losebe losthave been lost9. fall illbe illhave been ill10. fall asleepbe asleephave been asleep11. leave (sp.)be away (from sp.)have been away (fro
9、m sp.)12. returnbe backhave been back13. go to bedbe in bedhave been in bed14. come to the islandbe on the islandhave been on the island15. go to sp./come to.be in.have been in16. come herebe herehave been here17. go therebe therehave been there18. go outbe outhave been out19. get upbe uphave been u
10、p20. start/ beginbe onhave been on21. finish/ endbe overhave been over22. becomebehave been23. joinbe a member ofhave been a member of be inhave been in用过去时或现在完成时填空:1. “_ you _ (have) lunch ?” “Yes.”“When _ you _ (have) it?”“I _ (have) it at 12:00.”2. “_ you _ (write) a letter to your aunt yet?
11、”“Yes, I _. I _ (write) one last week.”3. “_ he _ (finish) his homework?” “Not yet.”4. “_ they ever _ (be) abroad?” “Yes, just once.”5. Your father _ just _ (finish) his work.6. Your father _ (finish) his work just now.7. Last term I _ (learn) many English words.8. They _ (not read) the interesting
12、books yet.9. He _ never _ (go) to the science museum.10. _ you ever _ (drink) coke?11. “_ you _ (buy) a dictionary? “ “Yes, I _ .”“Where _ you _ (buy) it?” “ I _ (buy) it in a bookstore.”“When _ you _ (buy) it?” “ Yesterday.”三、短暂性动词转换为延续性动词arrive at/in sw. get to/reach sw. come/go/move to sw. be in
13、sw./at school/at home/on the farm/be here/be there1) 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 _ _.come/go back, return be back co
14、me/go out be out1) He came out two years ago.He _ _ _ for _ _.2) We return to Fuzhou yesterday.We _ _ _ to Fuzhou since _.become be1) I became a teacher in 2000.I _ _ a teacher for _ _.2) The river became dirty last year.The river _ _ dirty for _ _.close be closed open be open1) The shop closed two
15、hours ago.The shop _ _ _ for _ _.2) The door opened at six in the morning.The door _ _ _ for six hours.get up be up; die be dead; leave sw. be away from sw.fall asleep/get tot sleep be asleep; finish/end be over; marry be married;1) I got up two hours ago.I _ _ _ since _ _.2) He left Fuzhou just now
16、.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 _.start/begin to do sth. do sth. ;begin be on1) I began to t
17、each at this school in 1995.I _ _ at this school since _.2) The film began two minutes ago.The film _ _ _ for _ _.borrow keep; lose not have ;buy have ;put on wearcatch/get a cold have a cold; get to know know1) They borrowed it last week.They _ _ it since _ _.2) I bought a pen two hours ago.I _ _ a
18、 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 _ _.have/has gone to have been inHe has gone to Beijing.He _ _ _ Beijing for two days.join the league/the Party/the army be a league/a Party member/a soldier be a member of the l
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