中考网整理了关于2020年中考英语知识点之过去将来时的构成，希望对同学们有所帮助，仅供参考。

　　和一般将来时一样，只不过把助动词be变为过去式，把will，shall变为过去式。

　　I didn't know if he would come.

　　=I didn't know if he was going to come.

　　我不知道他是否会来。

　　She was sixty-six. In three years，she would be sixty-nine.

　　她66岁了。三年后，她是69岁。

　　She told us that she would not go with us，if it rained.

　　她告诉我们，如果下雨，她就不和我们一起去了。

　　I didn't know how to do it. What would be their ideas？

　　我不知如何去做，他们会有什么想法呢？

　　2.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。

　　This door wouldn't open.

　　这扇门老是打不开。

　　Whenever he had time，he would do some reading.

　　他一有时间，总是看书。

　　I would play with him when was a child.

　　当我还是孩童时，总是和他一起玩。

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