| 过去完成时 1)概念:表示过去的过去;其构成是had +过去分词构成。
 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.   |