-
过去完成时态
过去完成时的用法：
1
、表示一个动作或状态在过去某一时间或动作之前已经发生或完成，
即发生在
过去的过去
，
这个过去的时间可以用
by,bef
ore
等介词短语或者一个时间状语
从句来表示。如：
When I woke up,it had stopped
raining.
When Mr Li got to the
classroom, all the students had begun reading.
By the time they arrived, the bus had
left.
2
、
表示某一动作或状态
在过去某时之前已经开始，
一直延续到这一过去的时间。
常用表
延续的时间状语如
by the end
of+
过去的时间点，
by the
time+
从句等。如
:
By
the end of last year,she had worked in the factory
for twenty years.
过去完成时态的构成：
肯定式：
had +
动词的过去分词
否定式：
hadn't +
动词的过去分词
疑问式：
Had … +
动词的过去分词
简略回答
: Yes,
主
+ had.
No,
主
+
had
n’t
练一练：
1. He ______ in Shanghai University for
four years before he ______ Beijing.
A.
studied, had gone
B. had studied,
went
C. has studied, goes
D. had studied, had gone
1.
We __________out by that time that
he_________ a thief for a longtime.
A.
had found, had been
B. had
found, was
C. found, had been
D. found, was
2.
It so happened that they________ the
novel before.
A. had read
B. would read
C. were
reading
D. read
3
．
He asked me
_____ during the summer holidays.
A. where I had been
B. where I had
gone
C. where had I been
D.
where had I gone
4. What ___ Jane ____ by the time he
was sever?
A. did, do
B. has,
done
C did, did.
D. had,
done
5. I ______
900 English words by the time I was
ten
。
A. learned
B.
was learning
C. had learned
D. learnt
6. By the time my parents reached home
yesterday, I _____ the dinner already.
A had cooked
B. cooked
C. have cooked
D. was cooked
7. By the time
he was ten years old, he _________.
A. has completed university
B.
has completed the university