沪教版英语七下unit3知识点
一．重点单词
1 since/ for 的用法
Since + 时间点for + 一段时间
He has been here since Monday.
He left school in 1983, I haven’t seen him since then.
He has worked for us ever since he left school.
It has been two years since I last saw Tom.
(= I last saw Tom two years ago.)
(= I haven’t seen Tom for two years.)
2 quite/ rather/ pretty/ very “相当”
This one is rather too large.
It’s quite/ rather a good idea.
= It’s a quite/ rather good idea.
It was quite/rather a success.
3 quite a few = many quite a little= much
4 waiter—waitress actor—actress bridegroom---bride headmaster---headmistress
5 in charge of 负责，掌管
A headmaster is in charge of a school.
I am in charge of my sister.
take charge of “负责，照管”
He took charge of the farm after his father’s death.
6 key 的用法：
关键的the key sentence
答案Do you know the key to the problem?
7 have a good time= enjoy oneself
8 A key ring is used for holding the keys.
Hold 的用法：
容纳The room can hold 100 people.
举行（会议，音乐会等）They held many get-togethers with the foreign friends.握，抓住She is holding up an umbrella.
二．Grammar
1.反意疑问句
规则：前肯后否，前否后肯
You can’t do it, can you?
He has dinner at home every day, doesn’t he?
陈述句部分有little, few, never, hardly, seldom, 问句用肯定句式
She never tells a lie, does she?
陈述句中含有un- , im-, in-, dis-, 问句仍用否定
Your father is unhappy, isn’t he?
陈述句为I am …. 时，问句用aren’t I
I am a very honest man, aren’t I ？
反意疑问句的回答：
--- Cathy is reading an English magazine now, isn’t she?
No, she isn’t.. He works in a bookshop.
He isn’t a teacher, is he?
No, he isn’t. He works in a book shop.
2 被动语态
We use a watch for telling the time.
A watch is used for telling the time.
3. 现在完成时
非延续性动词(或称作终止性动词)不能用“现在完成时+ 表示一段时间的状语”的句型中。这类动词有：come, go, start, leave, die, buy, finish, join, borrow, stop等。但它们能够用表示持续状态的相应的延续性动词替换句中的终止性动词。arrive, come → be here；be in ；buy → have begin, start → be on；die → be dead；get up → be up leave, move → be away；go out → be out borrow→keep；finish/end →be over；open →be open
close →be close d join— be a member of
现在完成时练习：
一、选择填空
1. Kate’s never seen Chinese films，____ ?
A. hasn’t she
B. has she
C. isn’t she
D. is she
2. -Mum, may I go out and play basketball?
-______you______ your homework yet?
A. Do；finish
B. Are；finishing
C. Did；finish
D. Have；finished
3. His brother has been to Stone Forest twice______he came to Yunnan.
A. after
B. before
C. since
D. for
4. Tom______the CD player for two weeks.
A. has lent
B. has borrowed
C. has bought
D. has had
5. I______a letter from him since he left.
A. didn’t receive
B. haven’t got
C. didn’t have
D. haven’t heard
6. -Have you ever______Beijing ? -Yes, I have.
A. went to
B. gone to
C. been in
D. been to
7. My parents ______ Shandong for ten years.
A. have been in
B. have been to
C. have gone to
D. have been
8. I won’t go to the concert because I ____my ticket.
A. lost
B. don’t lose
C. have lost
D. is coming
9. – Where is Mr Liu? - He________ the library.
A. has been to
B. has gone to
C. has been in
D.has went
10. We came to Shanghai three years ago, so we_______here for two years.
A. have been to
B. have been in
C. have been
D. have gone
11.- How long_______you _______your exam paper? - About three months.
A. did；buy
B. have；get
C. have；had
D. have；bought
12. He tells me he ________China for over eight years.
A. has been
B. has been in
C. has been to
D. has gone to
13. His parents________ for more than 3 years.
A. have come here
B. have started to work
C. have lived there
D. have left the university
14．I_______ a letter from him since he left．
A．didn't receive B．haven't got C．didn't have D．haven't heard 15．—Where have you _______ these days？
—I have _______to Dalian with my friends．
A．been；gone B．been；been C．gone；been D．gone；gone
16．How long have you _______ this book？
A．bought B．borrowed C．had D．lent
17．—Where's Peter？—He _______ to Nanjing．
A．is going B．has been C．has gone D．went
18．We have lived here _______ five years ago．
A．when B．since C．before D．after
19．—I have watched the game．—When _______you _______ it？
A．have；watched B．do；watch C．did；watch D．will；watch
20. Miss Brown _______ to the Great Wall twice．
A．have been B．has been C．have gone D．has gone
二．用动词的适当形式填空
1. I___________ already _________(see) the film. I_____________(see) it last week.
2. —___________he___________(finish) his work yet? — Not yet.
3. — ___________you___________(be) to Hong Kong?
— Yes, I____________(be) there twice.
4. — ___________you ever____________(eat ) chocolate? — No, never.
5. My father____________ just___________(come) back from work. He is tired now.
6. — Where's Li Ming? — He___________(go) to the teacher's office.
7.I____________(work) here since I___________(move) here in 1999.
8. — How long__________ the Wangs ____________(stay) here ? — For two weeks.
三. 句型转换(每空一词)
1. I have been to Macau before. (改为否定句)
I______ ______been to Macau before.
2. He hasn't come to school because he's ill. (就划线部分提问)
_________ _________ he come to school?
3. He has learned English for 5 years. (就划线部分提问)
__________ __________ ___________ __________learned English?
4. I bought a new bike just now. (用just改写)
I_______ just __________a new bike.
5. We began to learn English three years ago. (改为同义句)
We___________ ___________English _____________three years.
四．填入has / have been 或has / have gone.
1. Harry：I saw you in Annabel's Restaurant last night.
Diana：No, it wasn't me. I ____________ never__________ there.
2. Sam：Sally and Tim are on holiday, aren't they? Where________they __________?
Sue：To Florida, again.
Sam：How many times________they___________there?
Sue：This is their third visit.
3. Steve：Can I speak to Jill, please?
Lynn：She's out, I'm afraid. She____________to the cinema this evening. Steve：Again? She________already__________to the cinema three times this week.
五、用for 或since填空。
1. Jill has been in Ireland______________Monday.
2. Jill has been in Ireland____________three days.
3. My aunt has lived in Australia________15 days.
4. Margaret is in her office. She has been there___________7 o'clock.
5. The bus is late. We've been waiting___________20 minutes.
6. Nobody lives in those houses. They have been empty______________many years.
7. Tom has been ill_________a long time. He has been in hospital_____________October.