上海新东方酷学酷玩夏令营：

　　表示过去的某时以后将要发生的动作。但这个"将来"时间绝不会延伸到“现在”；而仅限于“过去时间区域内”。由此可以看出，含这个时态的句子常带一个表示“过去某个时间点”的状语。这个状语或是一个短语，或是一个句子。这个时态常用于：

　　a）宾语从句或间接引语中；b）表示过去习惯性的动作；c）表示过去情况中的“愿望”、“倾向”，多用于否定句。例如：

　　a) when i thought about it , i wondered what their reaction would be . 当我考虑这件事时，我想知道他们的反应是什么。

　　she told me that she would go on trip to europe the next day. 她告诉我，她第二天要去欧洲旅行。

　　he didn't expect that we would all be there. 他没料到我们会全在那儿。

　　b) during that period , he would do morning-exercises every day. 在那段时间，他每天早锻炼。

　　whenever he had time, he would help his mother with some housework. 无论他什么时间有空,他总是帮他妈妈干点家务活。

　　c) no matter how difficult the work was , he would keep on doing it until he accomplished it . 不管工作有多难，他总会坚持不懈地把它干完。

　　they knew that we would never permit such a thing. 他们知道我们绝不会允许发生这样的事。

　　even after the lecture ended, the audience would not leave . 甚至在讲座结束之后，听众仍不肯离去。