(共24张PPT)
Unit 5 Grammar
Present Perfect
Continuous Tense
Look at the pictures below and make sentences according to the time given.
The baby ________________for one hour.
has been sleeping
They _________________basketball all the time.
have been playing
The boy _______________a book for almost two hours.
has been reading
They ________________games in the school for almost an hour.
Play games
have been playing
The young boy ________________TV for almost two hours.
has been watching
The telephone _______________for almost a minute.
The sound has continued about one minute .
The telephone is ringing.
has been ringing
You are here! I _______________for you everywhere.
have been looking
You_______________.
have been crying
I _________________at the door.
I don’t think anybody is in.
我想没人在里面。
have been knocking
现在完成进行时: 基本用法
1) 强调动作的持续性。如:
The telephone has been ringing for almost a minute. Why hasn’t anyone answered it?
电话响了差不多一分钟, 为什么没人接?
Present Perfect Continuous Tense
2) 表重复。叙述从过去某时到现在或最近一直重复的动作。如:
最近天气变化无常, 我时常感冒。
The weather has been changeable lately; I’ve been having a lot of colds.
3) 有感彩。如:
今天真是一个多事之日。
Too much has been happening today.
现在完成进行时和现在完成时的比较:
A. 未完结性
I’ve cleaned the windows.
我把窗户擦干净了。
I’ve been cleaning the windows.
我擦窗户来着。(可能窗户尚未擦完)
B. 连续性或重复性
现在完成进行时常常用于表示延续至今的连续性或重复性动作。如:
Jim has been phoning Jenny every night for the several month.
All these days he has been writing articles to our magazine.
结论: 现在完成进行时主要用于表示
A. 过去开始而且现在仍在进行的动作;
B. 过去开始, 现在刚刚停止的动作;
C. 现在看到其直接结果的动作。
现在完成时主要用于表示已经完成的动作及其与现在的关系。
Practice
1. —— Hi, Tracy, you look tired.
—— I'm tired. I ___ in the living room
all day.
A. painted
B. had painted
C. have been painting
D. have painted
2. — There is so much snow these days,
isn't there?
— Yes, it ____ for a few days.
A. was snowing
B. has been snowing
C. had been snowing
D. snowed
3. Although these scientists ____ on the
project for nearly four years, I don't
know how long it will last.
A. have been working
B. had worked
C. were working
D. are working
4. Now that she is out of job, Lucy ___
going back to school, but she hasn't
decided yet.
A. had considered
B. has been considering
C. considered
D. is going to consider
5. The little boy is dirty from head to
foot because he ___ in the mud all
morning.
A. has played
B. is playing
C. has been playing
D. was playing
1. A: --- I am sorry I _________ (keep)
you waiting so long.
B: --- It is all right. I
________________ (read) the
newspapers.
2. The CCTV ____________________
(broadcast) English programmes
ever since 1977.
时态填空:
have kept
have been reading
has been broadcasting
1. Learn useful words and
expressions by heart and
practice them.
2. Finish the exercises on page 41.
Homework