5．过去将来时常用于间接引语中

　　He said they would arrange a party.

　　他说他们将安排一个晚会。

　　I asked if he would come and fix my TV set.

　　我问他是否来帮我修电视机。

　　6. 过去将来时可用来表示非真实的动作或状态

　　If I had a chance to study abroad, I would study at Cambridge University.

　　如果我有机会出国学习的话，我就会去剑桥大学。

　　I wish he would go with me to the cinema tonight.

　　今晚他能和我一起去看电影就好了。

　　7.was/were + 动词-ing形式

　　Nobody knew whether the guests were coming.

　　没人知道客人们是否要来。

　　I was told that the train was leaving in a few minutes.

　　我被告知火车几分钟后就要开了。