6637每日语法(5.28)-过去完成时-每日英语课堂.doc

2021年1月7日发(作者：计珠容)

1) 概念：表示过去的过去
----|-------|-----|---- 其构成是had +过去分词构成。
那时以前 那时 现在
2) 用法
a. 在told, said, knew, heard, thought等动词后的宾语从句。
She said (that) she had never been to Paris.
b. 状语从句
在过去不同时间发生的两个动作中，发生在先，用过去完
成时;发生在后，用一般过去时。
When the police arrived, the thieves had run away.
c. 表示意向的动词，如hope, wish, expect, think, intend,
mean, suppose等，用过去完成时表示原本…，未能…
We had hoped that you would come, but you didn't.
3) 过去完成时的时间状语before, by, until , when, after,
once, as soon as。
He said that he had learned some English before.