1. was/were going to + 动词原形：He said that he was going to live in the country when he retired.(他说他退休后要住在农村。)

2. 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。)

3. 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。)

注意：

1. "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。

例如：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。)

2. "was/were about to do"表示说话的瞬间就会发生的动作。

例如：I felt something terrible was about to happen.(我觉得有可怕的事要发生了。)

3. was/were on the point of doing

例如：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。)

4. "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。

例如：I was about to start when it suddenly began to rain.(我正要动身天突然下雨了。)

5. 过去将来时常可用来表示过去习惯性的动作。此时，不管什么人称，一律用would。

例如：This door wouldn't open.(这扇门老是打不开。 )

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