过去将来时主要表示过去某一时间内将要发生的动作或存在的状态，经常用在宾语从句中。

【例如】

He promised me that he would see me off at the station.I asked herswheresshe would spend her holidays.I was about to go out when a friend of mine dropped in.He told me that they were going to have a meeting to discuss the matter this afternoon.