Unit 3 English around the Word Topic 1 English is widely spoken around the world. 现在完成时用法

课件21张PPT。完成时态的用法1）现在完成时态表示 过去发生的动作对现在造成的影响或结果 。
Our teacher has left .
We have studied English .
I have already finished the homework .
He has had his lunch .
He has become a doctor .Have / has + 过去分词1. 构成2. 意义2）某个动作从过去已经开始， 一直持续到现在, 还有可能持续到将来，动作的 持续性要通过一段时间来表示。一段时间的表达方法有 两 种:
For : + 一段时间 for a year for two weeks for three yearsSince ：过去的某一时刻, since nine since last week
一般过去时态的时间状语从句, since you came. since you got home. ! :for 和since 所引导的时间状语都表示一段时间. 对划线部分提问都用 How long .1） He has been away since last week .2）He has been away for one week .对下列划线部分进行提问。练一练 ：1.We have learnt English
_____ 3 years. ______ 3 years ago.
_____ we _______(come)here
How long have you learnt English?for + 一段时间
since + 过去的时间点
就画线提问用how long关键词：just, yet; since,for;ever,never;already,beforeand so far.1.have you ________ been to Beijing?
No _____.
2.I have ______ finished my work.
3.I have finished my work_______.
4.Have you finished your work______?
5.She has taught English _____ 10 years.
6.He has worked in the factory ______1 year ago.
ever
justalreadyyet
for
since
already
结束性动词不能和表示一段时间的时间状语连用,但是他可以转换成相应的延续性动词.1. 直接用 延续性动词
buy – catch(get) a cold – borrow — Come/go /become — put on —2. 转换成 be+名词
join the army –
Join the Party –
go to school – Have have a coldkeep bewearbe a soldierbe a Party memberbe a student3. 转换成 be + 形容词或副词
die — finish – begin — leave — be away fall sleep – be asleep close – be closed4. 转换成 be + 介词短语
go to school – be in school
join the army – be in the armybe deadbe overbe on1.我们买这本书三年了.We have had the book for three years .2.他感冒三天了. He has had a cold for three days.We bought the book three years ago . He caught a cold three days ago.一般过去时态和现在完成时态可以构成 同意句3.自从上星期我借的这本书 I have kept the book since last week.4.我成为一个学生两年多了. I have been a student for over two years. I borrowed the book last week.I became a student two years ago.5.Mr Black死了三年了。Mr Black has been dead for three years.Mr Black died three years ago.6.小名参军半年了。Xiao Ming has been a soldier for half a year.Xiao Ming joined the army half a year ago.7.我们上了8年学了。We have been students for eight years.8.下课10分钟了。 The class has been over for ten minutes.9.电影开始了一小时了。 The film has been on for an hour.注：含延续性动词的现在完成时的同义句
转换 。She began to work ten years ago.She has worked since ten years ago.It is ten years since she began to work.Ten years has passed since she began to work. She has worked for ten years.4.have been to 曾经去过某地（已返回）
have gone to 去了某地 （没有回来）
1.Have you ever _____ _____ Shanghai?
2.Where is Lucy? She has ____ ____ the lab.
3.Lucy has been _____ China since 5 years ago.
4.I have gone to Japan. ( )判断
5.The scenery of Leye is very beautiful, I have
been there twice. ( )
1. Where is your father ?
He _____ _____ _____ London.
2. How many times _____
you _____ _____ Beijing?
Never.
3. I can’t find your mother.
Oh, she ____ ____ ____ the cinema.
4. I _____ never _____ _____ France.
1. 这辆自行车我买了两年了。
I’ve _____ the bike
___ two years.
2. He left Nanjing two years ago.
He _____ _____ _____ _____
Nanjing for two years.
3. The monkey died last month.
The monkey _____ _____ _____
for a month.
4. A: Hong long _____ you ____ ( )
B: Two weeks.
A.did,get ill B. have,fallen ill
C. were,ill D. have,been ill
Had forhas been away from
has been dead
DExercises1.You’ve never seen such a wonderful film before, _____?
A haven’t you B have you C do you D don’t you
2. --Ann has gone to Shanghai.
---So ____ her parents.
A has B do C did D have
3. – I have watched the game.
--When ____ you ____ it?
A have watched B do watch C did watch D will watch
B D C4.She isn’t here now because she ____ the zoo.
A.has been to B. have gone to C. has gone to
5.The Greens _____ Guilin twice. D.have gone to
A.have been to B. have been in C. has been in
6.Lily has made lots of friends since she ___ here.
A. come B. has been C. came D. coming
7.My parents ______ in Beijing since 1995.
A. are living B. have lived C. lived D. will live
8.His grandma ______ for 2 years.
Was died B. has died C. was dead
D. has been dead
cACBD9. Mr. Green ____ in China since five years ago.
A lived B has lived C lives D is going to live
10. His grandma ______ for two years.
A died B has been dead C was dead D has died11. –Where is Han Mei now?
--- She ____ to Shanghai. She will be back in two days.
A has gone B has been C goes D had gone
12. ---_____ to the United States ?
--- No, never,but I went to Canada a few years ago.
13. You haven’t changed your mind,_______?
A do you B are you C have you D did youBBADCA has…been B has…gone C have…benn D have…gone9. How long have you _____ the football team of the school? A been on B been at C joined D played
10. ---Where have you _____ these days?
---- I have _____ to Dazhu with my friends.
A been,gone B been,been Cgone,been Dgone,gone
11. How long have you ____ this book?
A bought B borrowed C had D lent
12. –Excuse me, ____ you seen the film yet?
--- Yes, I _____ it last night.
A have, see B have, have seen C have, seen
D have,saw
13. He has never ridden a horse before, _____?
A is he B isn’t C hasn’t D has heABCDDHave you ________ the bike?
--Yes ,I ______ it 10 minutes ago.(mend)
2.--I have ______ the film “Titanic”.
--When ____ you _____ it?(see)
3.I’m sorry, I haven’t got any money.I’ve_____
(leave ) my handbag at home.
4.I have _______(read) the book.
5.It’s a long time since we ______ (meet)
last year.
6.Look! The train ______ just _____. ( come)
mendedmendedseendidseeleftreadmetiscoming bye bye