过去将来时的结构过去将来时由would，was/were going to，was/were to was/were about to等加动词原形构成，也可由was/were on the point of加动名词构成。例句 I knew you would agree. 我知道你会同意的。 I said I would arrange everything. 我说我来安排一切。 I didn't know if he would 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。 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？
