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。.延续性动词表示冃匕够延续的动作，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+段时间,for two years; since从句,since he came here; Smce+时间点名词,since lastyear, sincefive days ago;how long; for a long time 等。二.非延续性动词也称终止性动词、瞬间动词,表示不匕延续的动作,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 oclock;否定的终止性动词可以与表示时间段的时间状语连用。如: I havent heard from Uncle Wang for a long time.We havent seen him since 1992.三延续性动词与非延续性动词之间的转换一些短暂性动词及相应的延续性动词:arrive( get to /reach) f be here (in) begin(start) f be ondie f be deadcome here( back) fbehere( back) leave f be away (from)fall ill(sick, asleep)fbe ill(sick, asleep) get upf be upgo/ get out( there) f be out( there) finish f be overput on f wear 或 be onopen f be open(keep sth. open) join f be in或be a member of+组织机构close f be closedgo to school f be a student borrow fkeep buy/get fhave catch(a cold) f have(a cold) get to know f knowbegin to study f study come to work f work move to f live in finish f be over come to f be in sit down f be seated marry f be married dress f be dressed become f be例: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.He joined the Party 2 years ago. =He has been in the Party for 2 years.I bought the book 5 days ago. =- I have had the book for 5 days.补充练习:1. When he arrived at the bus stop, the bus for 20 minutes.A. has left B. had left C. has been away D. had been away2. Ithe League (共青团)for 5 years so far.A. joined B. have joined C. 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 made B. have been C. made D. have become5. You mustnt until he comes back.A. be away B. leave C. be left6. The meeting for a week now.A. has finished B. has ended C. has been over7. Miss Gao this school for nearly 5 years.A. has been in B. has come to C. has taught8. Ben a teacher for 4 years .A. has been B. has become C. was D. became9. I home for a week.A. have returned B. have been back C. returned10. How long he ?A. died B. has, died C. has, been dead11. He at eight yesterday afternoon.A. slept B. was sleeping C. has sleep D. had slept12.He the car for a week.A. bought B. has bought C. has had13. How long you ill ? Two weeks.A. did fall B. have, fell C. have, been14.Since 2000, he his hometown.A. has left B. has moved away C. has been away from 15.Ill lend you the book , but you can only it for 2 days.A. borrow B. keep C. take16.The bus on the road for 2 hours so far.A. has stopped B. stopped C. has been17.Are you the jacket these days?A. wearing B. putting on C. dressing D. on18.He foe 2 hours.A. got up B. has got up C. has been up19. Tom is ill in hospital. He a cold for several days.A. is B. catches C. has caught D. has had20. How long can I the book? Two weeks.A. borrow B. lend C. get D. keep时态和语态专项复习() 1. Dont make so much noise. We to the music.A. listened B. listen C. are listeningD. have listened) 2. I must return the camera to Li Lei. I it for two weeks.A. keep B. borrowed C. have kept )3. -When will you tell him the good news?A. comes B. came C. will come ) 4. -Dad, please open the door, it .A. locks B. locked C. is lockedD. have lent-I will tell him about it as soon as he D. is coming-OK, dear. Im coming.D. was locked) 5. -Did you go to Jims birthday party?-No, I .A. am not invited B. wasnt invited C. havent invited D. didnt invite) 6. A talk on Chinese history in the school hall next week.A. be given B. has been given C. will be given D. will give ) 7. You may go fishing if your work .A. is done B. will be done C. has done D. have done) 8. -What do you think of the football match yesterday?-Well. Its surprising. The strongest team of our school A. was beaten B. won C. scoredD. was failed) 9. -Would your younger brother go for a picnic this Sunday?-If I dont go,A. so does he B. so he will C. neither will he D. neither does he) 10. The trees must three times a week.A. water B. is watering C. be watered D. waters) 11. -Did you see Tom at the party?- No, he by the time I got there.A. left B. was leaving C. had leftD. has left) 12. -Why not go to see the dolphin show with me?-Because I it.A. saw B. will see C. see D. have seen) 13. -Do you like watching cooking programs on TV?-No, I dont, but my twin brother . Hes very fond of cooking.A. does B. do C. is D. are) 14. Catherin the letter before her mother came into her bedroom