past future perfect

基本解释

To grasp the usage of the tenses, including the present, past, future tense and continue, perfect tense.
掌握现在时，过去时，未来时，进行时，完成时的各种用法。
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A statement like “We remember the past and not the future” makes perfect sense to us under ordinary circumstances.
在通常情况下，类似“我们记得过去发生的，而不记得未来怎样”这样的话的确没错。
There are three kinds of shapes of the tenses in the Utopia Novels of the later Qing Dynasty: the future past tense, the future perfect tense and the future continuous tense.
晚清的乌托邦小说在时间构形上通常表现为“将来过去时”、“将来完成时”和“将来进行时”等三种不同面相。

As human behavior and weather cycles have not changed much for hundreds of years, the odds of a continuation of past trends are a good, but not perfect, guide to the future.
FORBES: Briefing Book: A. Michael Lipper