If you focus on some of the minutia of a site like this, you know, it's useful to be able to jump to a particular date whether in the future or in the past.

如果你关注像这样一个网站的一些细节，你会发现，若能跳转到,不论过去还是将来的一个特定日期，那将是很有用的。

哈佛公开课 - 计算机科学课程节选

So can be changed slightly, depending on tense, past, present or future as well as whether or not you want to ask a question.

因此这个句型要根据不同的时态，如过去时、现在时和将来时，作出一点调整；另外也会根据是否是问句而略有不同。

There is 课堂 - SpeakingMax英语口语达人

According to the personality view, what makes somebody in the future the same person as somebody in the past is if it's part of the same ongoing personality.

根据人格理论，将来之某人与过去之某人为同一人,条件是拥有相同持续人格中的部分。

耶鲁公开课 - 死亡课程节选

These patterns of "I've been" are so useful to say what you want to do in the future in relationship to the past.

当你想表达过去与你将来想做的事情之间的联系时，“I've been”句型特别有用，

I've been 课堂 - SpeakingMax英语口语达人