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过去完成时
常用的
时间状语
有:
1. by the end of last year. By the end of last term, we had learned 5000 new words.
2. By the time sb. +
动词过去式
如:
The bus had already left by the time I got there.
主语
+had+
过去分词
vpp.(done)
①
肯定句
:主语
+had+
过去分词
+
其他
.
②
否定句
:主语
+had+not+
过去分词
+
其他
. ③
一般疑问句
:
Had+
主语
+
过去分词
+< br>其他
?
肯定回答:
Yes,
主语
+had
否定回答:
No,
主语
+hadn't
④
特殊疑问句:
特殊疑问词
或词组
+
一般疑问句
(
Had+
主语
+
过去分词
+
其他)?
⑤
被动语态
:主语
+had
(
hadn't)+been+
过去分词
+
其他
一般说来,各种时态都有特定的
时间状语
。与
过去完成时连用的
时间状语
有
:
(
1
)
by +
过去的时间点。如:
I had finished reading the novel by nine o'clock last night.
(
2
)
by the end of +
过去的时间点。如:
We had learned over two thousand English words by the end of last term.
(
3
)
before +
过去的时间点。如:
They had planted six hundred trees b
efore last Wednesday.
由
had
加动词的过去分词构成。
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