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现在完成时
一、 (1) 概念：现在完成时表示过去发生或已经完成的动作,对现在造成的影响或结果。
1. I have already cleaned my room. 我已经打扫了我的房间。
2. We have finished our homework. 我们完成了作业。
3. They have swept the floor. 他们扫了地。
4. She has read that book. 她读了那本书。
5. Tom has broken the window. Tom 打碎窗户。
现在完成时的构成: 主语 + +
1. I haven’t cleaned my room yet. 我还没打扫了我的房间。
2. We haven’t finished our homework. 我们没完成作业。
3. They haven’t swept the floor. 他们没扫地。
4. She hasn’t read that book. 她没读那本书
5. Tom hasn’t broken the window. Tom 没有打碎窗户。
否定句: 主语 + + +
1. Have you cleaned my room?
Yes,I have.
2. Have you finished our homework?
No,I haven’t.
3. Have they swept the floor?
Yes,they have. No,they haven’t.
4. Has she read that book?
Yes,she has. No,she hasn’t.
5. Has Tom broken the window?
Yes,Tom has. No,Tom hasn’t.
一般疑问句: 助动词 + + ?
(2) 现在完成时的基本句型：
肯定句：
否定句:
一般疑问句：
二、现在完成时标志词
1.I have already lost the key.
2.She hasn’t told us the news yet.
3.Have you decided to go yet?
4.I have just cleaned my hands.
5.John has never been to Nanjing
6.Have you ever been to a museum?
7.He has stayed here since 5 o’clock.
David has lived here since 1992.
8.He has stayed here since 5 hours ago.
His father has been in the Party since 10 years ago.
9.She has taught English since he came here.
She has taught us since I came to this school.
10.He has kept the book for 2 weeks.
I have had this dictionary for three years.
Since: (自…以来)
(1)
(2)
(3)
for(长达）
just (谓语动词之前) before(句末） so far 到目前为止in the past/last few years(过去几年来)
练一练：
选用 for和 since填空:
1.We haven’t seen each other ______ a long time.
2.His father has been in the Party ______ 10 years ago.
3.The film has been on ______ 20 minutes.
4.Mr Green has worked here ______ he came to China.
5.His grandparents have been dead ______ several years.
6. It’s five years _______ we met last time.
1.The house is dirty. We _______it for weeks.
A didn’t clean
B hadn’t cleaned
C don’t clean
D haven’t cleaned
2. ---Have you found your keys _______
---Yes, I have _______ found them.
A already; yet
B yet;already
C already;already
D yet;yet
3.-- I’m sorry to keep you waiting.
--Oh, not at all. I _____here only a few minutes.
A have been
B had been
C was
D will be
4.You don’t need to describe her. I _______ her several times.
A. had met B have met C met D meet
5. --Will you go to Beijing for vacation ?
--I _______ to go , but I don’t know if I can go .
A was planning
B have planned
C had been planning
D have been planning
6. --When will they leave ?
--They ______very soon .
A do leave
B are leaving
C have left
D leave
7 --Was he studying for an exam ?
--Yes , he's ____ it last week.
A doing
B to take
C making
D to give
8.The teacher told the pupils that the earth ____ round.
A is
B would
C was
D were
9.She _______ such an interesting book before.
A was never reading
B will never read
C had never read
D has never read
10.How long do you think the meeting ______
A is lasting
B is lasted
C will last
D lasts
11. I ____________(wait) for him for two hours . I am very angry .
12. He _________ (be) a doctor since he was twenty .
13. The film __________ (be) on for fifteen minutes .
14. ____ you ever ____ (read) that book before ?
15. ____ you ever ____ (try) to change her ?
16. No one ____________ (arrive) here yet .
17. ______ the bus _____ (leave) yet ?
18. I____ already ______ (see) the film.
19. My father ____ just _____ (come) back from work.
20. I _____________ (work) here since I ______ (move) here in 1999.
21. So far I _______________(make) quite a few friends here.
22. -How long _______ the Wangs _______(stay) here? -For two weeks.
23. I ________ just ___________ (finish) my homework.
24.______ you ______ (find) your science book yet?
