Unit8 Have you read treasure Island yet？SectionA Grammar focus 4a-4c 课件（33张PPT）

(共33张PPT)
现在完成时
语法课
The present perfect tense
grammar
一 通过观察，总结现在完成时的结构
I have seen it before.
I have not finished my homework yet.
Have you met him
Where have you been
肯定句：
否定句：
一般疑问句：
特殊疑问句：
一 现在完成时的结构：3’
肯定句：
否定句：
一般疑问句：
特殊疑问句：
主语 + have / has + 过去分词
主语 + have / has + not + 过去
分词
Have/ has + 主语 + 过去
分词
特殊疑问词 + have / has
+ 主语+过去分词
She has woken up.We can ask her now .
(1)表示动作发生在_____________________
强调___________________.
I have lived here for 10 years.
（2）表示动作发生在_____持续到
________.
二 现在完成时的用法2’：
过去
现在
对现在造成的影响和结果。
过去
(a)过去发生的动作对现在造成的影响和结果。
(b)从过去某时开始一直持续到现在的动作或状态.
指出下列各句完成时属于哪种用法3’
My uncle has lived in London for ten years.
2. I have seen the film already.
3. The teacher has taught English
for ten years.
4. I have told him already.
(b)
(a)
(b)
(a)
Summary1:1’
一般过去时（强调/不强调）对现在的影响，而现在完成时（强调/不强调）对现在的影响。
√
He came here yesterday.
He has come here twice. So he won’t come today.
√
三 现在完成时与一般过去时的区别.
We haven't seen him since last year.
We didn't see him last year.
Liumei went the shop last night.
We have studied English for 10 years.
When did you lose your pen
I haven’t found him yet.
We have already cleaned the room.
I have ever been to three countries.
Summary 2:2 ’
现在完成时常与——————————
等词连用。
一般过去时常与————————————————
等词连用。
观察下列句子
since ,for, yet ,already,ever
last year等明确的过去时间及when
G1
G3
G4
G5
G6
G8
G2
开始
G7
Challenges:
1．Miss Li___________(work)at
Yuying Middle School for 8 years.
2.When ______ you ____(lose)
your wallet
Exercise 1 3’
has worked
did
lose
G1
G5
G4
G6
G3
G8
G7
开始
G2
1.自从我来到中国，我就学习中国历史。
I ________ ________Chinese history since I_______to China.
2. —I have finished my homework. —When ___ you ___ it
A.have; finished B. do; finish
C. did; finish D. will; finish
Exercise2 2’
have learned
came
√
G7
G3
G4
G5
G6
G2
G8
开始
G1
3’
G8
G6
G5
G4
G3
G2
G1
开始
G7
1.I have lived in Anyang _____10 years.
2.I have lived in Anyang _____2001.
3.I have lived in Anyang _____10 years ago.
Exercise3 2’
Fill in the blanks using “for” or “since”
for
since
since
四.延续性动词与瞬间性动词
延续性动词可以与表示时间段的状语连用。
非延续性动词在肯定句中与表示时间点的
状语连用.
指出下列时间是段时间还是点时间3’
Two days two days ago
10years 2minutes
Last night a whole day
In 1999 a year
延续性动词与瞬间性动词的转换.
Eg:I have borrowed this book for 5 days.
I—————— this book for 5 days .
F
T
have kept
leave --- be away,
borrow --- keep,
buy --- have,
begin/start --- be on,
die --- be dead,
finish --- be over,
join --- be in+组织机构,
be a member of+组织机构,
常见的转换
延续性动词与瞬间性动词的转换.
catch a cold --- have a cold,
come here --- be here,
go there --- be there,
become --- be,
come back --- be back,
fall asleep --- be asleep,
fall ill --- be ill,
go out →be out，
put on→ wear；
常见的转换
exercise1:火眼金睛 3‘.
The old man died for 4 years .
He joined the Party for 2 years .
I bought the book since 5 days ago.
———
———
——
has been dead
has been in
have had
3.Mary and Rose _______friends since
they met in 2000.
A. have made B. have been
C. made
4.The meeting _______ for a week now.
A. has finished
B. has ended
C. has been over
Exercise 2’
5.Miss Gao ______ this school for nearly 5
years.
A. has been in
B. has come to
C. has left
6. I ______ home for a week.
A. have returned
B. have been back
C. returned
Exercise 2’
五： have been to ， have gone to
与 have been in
Summary 3’
have been to表示：——————————————
have gone to 则表示：————————————
have been in 表示：—————————————
My uncle has been to Beijing four times.
我叔叔去过北京四次了。
Mr. Yang has gone to Wuhan.He will be back soon
杨先生去了武汉，他马上回来。
Betty has been in London for two days.
贝蒂已经在伦敦两天了。
“曾经去过某地”(人已经回来);人的一种经历
去了某地”(人还没回来);
已在某地多长时间。”
GAME : BE CAREFUL
ALREADY
FOR
SINCE
YET
英语·新课标（RJ）
Ⅰ.用have/has gone(to)，have/has been(to)或have/has been in填空
1 My cousin______________Beijing.I don't know when he'll come back.
2．They________________New York for two weeks.
has gone to
have been in
Exercise one 2’
英语·新课标（RJ）
Ⅰ.用have/has gone(to)，have/has been(to)或have/has been in填空
1．Where is Tom
Maybe he _________ the teachers’ office .
2．Jim________never__________ Shanghai before.
Exercise two 2’
has gone to
has been to
I am so sorry,you have to minus 1 point now.
I am so sorry,you have to minus 2 points now.
Summary:
.
一. 现在完成时的结构 2’
.现在完成时的用法1’
三. 现在完成时与一般过去时的区别2’
四.延续性动词与瞬间性动词1’
五. have been to ， have gone to
与 have been in 1’
( )
—Do you know the movie Lost in
Thailand
—Yes. I ______ it twice. It’s funny.
A. saw B. see C. have seen D. will see
C
( )
—Lunch
—No, thanks. I__________.
A. will eat B. am eating C. have eaten
( )
—Where is Tom We can’t find
him anywhere.
— Perhaps he _____ home.
A. has come B. is going
C. went D. was going
C
A
( )how long have you ___this book
A bought B borrowed
C had D lent
( )Where's Peter
He _______ to Nanjing.
A is going B has been
C has gone D．went
c
c
　 主语 谓语 　 状语
一般过去时 My homework 　 finished yesterday
一般将来时 　 tommorrow
现在完成时 　 since you left
情态动词 　 …
一般现在时 　 everyday
Conclusion:被动语态的构成
is
was
will be
has been
should/could/must be
Thanks for listening!