我被告知火车几分钟后就要开了。

c. was/were +动词不定式

She said she was to clean the classroom after school.

她说她放学后要打扫教室。

It was reported that another bridge was to be built across the Yangtse River. 据报道长江上将要再建一座大桥。

提示：

“was/were going to +动词原形”或“was/were + 动词不定式完成式”可表示未能实现的过去将来时间的动作。

Last Sunday we were going to visit the Great Wall, but it rained.

上星期天我们本想去游览长城的，但却下雨了。（没有去成）

I was to have helped with the performance, but I got flu the day before.

我是打算帮忙演出的，但前天我感冒了。（没有帮上忙）

d. was/were about to do

“was/were about to do”表示说话的瞬间就会发生的动作。

I felt something terrible was about to happen.

我觉得有可怕的事要发生了。

e. was/were on the point of doing

I'm glad you have come. I was on the point of calling you, but you've saved me the trouble now. 很高兴你来了。我正准备给你打电话，现在你省去我这个麻烦了。 提示：

“be about to do”和“be on the point of doing”结构一般不与表示将来的时间状语连用，但后面可以接when引导的分句。

I was about to start when it suddenly began to rain.

我正要动身天突然下雨了。

进行时

二、进行时