同学你好，该知识点来自沪江网校《英语零基础直达大学六级【双11专享班】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。

同学你好~
是过去将来时。
过去将来时由would，was/were going to，was/were to， was/were about to等加动词原形构成。
He said he would be here at eight o'clock.
他说他将在八点钟到达这里。
I thought he was going to dump me for another girl.
我以为他要为了另一个女孩而和我分手。
A few hours later he was to prove it.
几个小时之后他将证明这一点。
The train was about to leave and I was not even on the platform.
火车就快开了，可我还没到站台。

祝同学学习进步~