Unit 9 Have you ever been to a museum?现在完成时专项复习课件（26张）

(共26张PPT)
现在完成时专项复习
Review of the Present Perfect Tense
Studying Aims (学习目标）
Master the Present Perfect Tense.（掌握现在完成时的用法，构成，标志）。
Be able to say out the differences between the
Present Perfect Tense and the Past Tense.(能够
掌握现在完成时和一般过去时的不同用法）。
Learn to change the momentary verbs
into continuous verbs.（学会短暂性动
词和延续性动词的转换）。
现在完成时动词构成:
have / has + v 过去分词
助动词
否定
haven’t
hasn’t
疑问
Have you……
Has he……
规则动词过去分词的构成
构成规则
1. 一般在动词后直接加-ed
例词
look looked
play played
2. 以不发音的e结尾的动词，
直接加-d
live lived
hope hoped
3.末尾只有一个辅音字母的
重读闭音节词，先双写这
个辅音字母，再加-ed
stop stopped
plan planned
4.结尾是“辅音字母+y”的动词，
先变“y”为“i”再加-ed
study studied
carry carried
不规则动词过去分词的构成
1. 三个主要动词
is, am
be
are
was
were
have/has
do/does
had
did
been
had
done
2. AAA型 （三者一致）
cut cut cut
let let let
put put put
cost cost cost
read read read
3. ABA型 （过去分词与原形一致）
come came come
become became become
run ran run
10 个
3个
4. ABB型 （过去分词与过去式一致）
bring brought brought
hear heard heard
keep kept kept
make made made
5. ABC型 （三者不一致）
eat ate eaten
write wrote written
get got gotten
begin began begun
46个
36个
现在完成时的标志词：
already , yet , ever , never , before , just , for +时段
since +过去时点 , so far , in the past /last +一段时间
recently, these days …
since +过去点时间
since +一段时间+ago
since +从句（从句用一般过去式）
现在完成时的用法：
.1. 表示已完成的某一动作对现在造成的影响或 结果。
e.g. Lucy has just washed her clothes.
I haven't had breakfast yet.
My sister has read this book before.
.
I am still teaching English now.
How long have I tought English
I have tought English
for 20 years.
Since1997./20 years ago.
I started teaching English in 1997.
time
now
past
have/has done
2）无标志词的：
e.g. He is not feeling well now. He has caught a cold.
I have lost the key. I can't go into my room.
A Is your mother in
B Sorry , she isn’t. She has gone to Shanghai.
现在完成时和一般过去时的区别：
现在完成时，强调这一动作产生的结果对现在的影响，与现在有关。不跟过去的时间连用。 一般过去时，仅仅表示在过去某一时刻曾发生过这一动作，与现在无关。跟过去的时间连用。
The plane has arrived.
The plane arrived a quarter ago.
(说明现在的情况:飞机在这儿。）
（强调动作发生的时间在过去。）
去过某地表示某人的一种经历,和once,twice,already,ever,never等连用.
去某地了,说话时某人已离开此地,在去某地的途中或已在某地
逗留在某地(已经一段时间).常和for ten days,since I came here等连用.
请你回忆并写出它们的区别：
has/have been to
have/has gone to
have/has been in
1. A: Where’s Jim, Li Lei
B: He ______________ his school library.
2. The Greens _____________ China for three years.
3. We _____________ the Great Wall twice.
It’s very beautiful.
has gone to
have been in
have been to
He _________(work) in our school for one year.
2. He ______(come) to our school last year/in 2002.
3. They __________(cook) the supper already.
4. They _______ (cook) the supper half an hour ago.
has worked
came
have cooked
cooked
区分短暂性动词与持续性动词.
注意: 瞬间动词不能和时间段连用.
　瞬间动词
join
begin/start
borrow
finish/end
arrive/come
leave
die
buy
··········
method 1:
动作
状态
die
be over
leave
borrow/buy
arrive
begin
end/finish
join
marry
keep/have
be away（from）
be here
be on(上演）
be married
be in /be a member of
be dead
come/go
be (in)
go out
be off
open/close
be open/closed
become
be
1. 她成为一名护士已经三年了。( become ）
2. 我已经离开上海5天了。( leave）
3. 这本书他已经买了两周了。（ buy ）
4. 我入团已经一年了。（ jion )
5. 电影已经开演半个小时了。（ begin ）
6.他来这里已经三年了。（ come )
She has been a nurse for three years.
I have been away Shanghai since five days ago.
He has had the book for 2 weeks.
I have been in the League for one year.
The film has already been on for 10 minutes.
He has been here for three years since he came .
小组合作
他的爷爷已经去世2年了。
His grandpa has been dead for 2 years.
It has been + 时间段 since + 一般过去时的句子.
= It has been 2 years since his grandpa died.
It is + 时间段 since + 一般过去时的句子.
经典句型
链接中考 用所给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 today
　　— Not yet.
3. — 　　　 you 　　　 (be) to Hong Kong
　　— Yes, I 　　　 (be) there twice.
4. — 　　　 you ever 　　　 (eat ) chocolate sundaes （圣代）
　　— 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.
have
seen
saw
Has
finished
Have
been
have been
Have
eaten
has
been
has gone
一、单项选择。（独立完成）
1、Both his parents look sad . Maybe they_________
what's happened to him .
Ａ.knew Ｂ.have known Ｃ.must know Ｄ.will know
2、He has _______ been to Shanghai , has he
　　Ａ.already Ｂ.never Ｃ.ever Ｄ. still
3、The famous writer ______ one new book in the past
two year .
　　Ａ.is writing Ｂ.was writing Ｃ.wrote Ｄ.has written
4、—Our country ______ a lot so far .
　　—Yes . I hope it will be even ______ .
　　Ａ. has changed ; well Ｂ. changed ; good
　　Ｃ. has changed ; better Ｄ. changed ; better
5.We ______ Xiao Li since she was a little girl .
　　Ａ. know Ｂ. had known Ｃ. have known Ｄ. knew
B
B
D
C
C
6、Harry Potter is a very nice film .I_______ it twice .
　　Ａ.will see Ｂ.have seen Ｃ.saw Ｄ.see
7、—These farmers have been to the United States .
　　 —Really When _____ there
　　Ａ.will they go Ｂ.did they go
　　Ｃ.do they go Ｄ. have they gone
8、Hurry up! The play __________ for ten minutes .
　Ａ.has begunＢ.had begunＣ.has been onＤ.began
9、 It _____ ten years since he left the army .
　　Ａ. is Ｂ. has Ｃ. will Ｄ. was
10、Miss Green isn't in the office . she_______ to
the library .
　　Ａ.has gone Ｂ. went Ｃ.will go Ｄ. has been
B
A
A
C
B
二、句型转换。(独立完成）
1.He has never surfed， （改成反意疑问句）
2.They have been here since 2000. (对划线部分提问)
have they been here
3.The old man _________ last year. He for a
year. (die) （动词填空）
4.This factory opened twenty years ago.(同义句转换)
This factory for twenty years.
5.Miss Gao left an hour ago. (同义句转换)
Miss Gao ________ _______ ________ ________ an hour ago.
6.Her mother has been a Party member for three years .（同义句）
　 Her mother _______ the Party three years ________ .
7.The Green Family moved to France two years ago. (同义句转换)
_______ two years ________ the Green family moved to France.
8.The bus has arrived here. It arrived ten minutes ago.
(把两个句子合并成一个句子)
___________________________________________
.
has he
How long
died
has been dead
has been open
has been away since
joined
ago
It is
since
The bus has been here for ten minutes.
1、 吉姆已做完作业，他现在有空了。
2、 他昨天收到一封信。
3、 我父亲以前到过长城。
4、 她还没有看过那部新电影。
5、 她去过上海。
6、 莉莉，你这些天上哪儿去了？
Jim has finished doing his homework already. He is free now.
He received a letter yesterday.
My father has been to the Great Wall before.
She hasn't seen the new film yet.
She has been to Shanghai .
Lily,Where have you been these days？