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1、现在完成时中非延续性动词的转换 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。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, join, die, begin, 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，
2、具体转换如下：(要求记住)come/go/reach/arrivebe in/at, leavebe away from, borrowkeep, buyhave, joinbe in/be a member of, diebe dead, start/beginbe on, finish/endbe over, openbe open (adj.), closebe closed (adj.), marrybe married come to / go back to / return to be back to go out be out become be get up be up； d
3、ie be dead； fall asleep / get tot sleep be asleep； lose not have ； put on wear catch / get a cold have a cold； get to know know have / has gone to have 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 hasnt bought any new clothes since last year. 2. 在现在完成时的肯定句中，非延续性动词作谓
4、语时不能与for，since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。例如：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
5、days ago. - I have had the book for 5 days. He has been away from Beijing for two years. = He left Beijing two years ago. = It is two years since he left Beijing. = Two years has passed since he left Beijing. 1. A. They came to our school in 1980. B. They _ _ _ our school since 1980. 2. A. The man d
6、ied five years ago. B. The man _ _ _ for five years. 3. A. The meeting began two minutes ago. B. The meeting _ _ _ for two minutes. 4. A. We borrowed two books last week. B. We _ _ the two books for a week. 5. A. When did the train arrive here? B. How long _ the train _ here?补充练习：1.When he arrived a
7、t the bus stop, the bus _ for 20 minutes.A. has left B. had left C. has been away D. had been away2. I _ the League 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 si
8、nce 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 taug
9、ht8.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. - How long can I _ the book? - Two weeks.A. borrow B. lend C. get D. keep12.He _ the car f
10、or a week. A. bought B. has bought C. has had 13.-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 from15.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. Tom is ill in hospital. He _ a cold for several days. A. is B. catches C. has caught D. has had18.He _ for 2 hours. A. got up B. has got up C. has been up
