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语法重点：过去完成时
定义：在过去某一时间
或动作之前，就已经发生或完成了的动作。
简称：过去的过去
构成：
肯定：主语
+ had done
否定：主语
+ had not done (had not
= hadn
’
t)
一般疑问：
Had+
主语
+ done?
肯定回答：
Yes
，
sb had.
否定回
答：
No
，
sb hadn’t.
(
注意：简短回答中的主语用
代词
注意：
否定形式在
had
后加
not, had not
缩写
为
hadn
’
t
疑问形式把
had
提前
标志
词大分类：
明刀明枪
型
a
．
_________
before
after
when
Before I
arrived at home, my mother
had cooked <
/p>
dinner.
暗箭伤人
型
b
.
__________
was
He ______(be) happy to see John
yesterday.
had not seen
They
____________(not see) each other for a long
time.
was
I _______(be)
nervous to get on the plane last week
had not taken
because I
____________(not take) the plane
before.
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