你以前用过这种软件吗？

Have you ever used this software before?

《牛津词典》

艾斯丘用过几个名字，并以“怪人”著称。

Askew used several names, and had a reputation as an eccentric.

《柯林斯英汉双解大词典》

大多数囚犯都在人生的某个阶段服用过毒品。

Most of the inmates have used drugs at some point in their lives.

《牛津词典》

I used it so that they could record all of the books that they read about Japanese culture.

我用它是为了让孩子们能记录下,他们读过的所有有关日本文化的书。

麻省理工公开课 - 媒体、教育、市场课程节选

You use this pattern whenever you want to express that you have experienced something in the past previously.

每当你想表达你之前已经经历过某事的时候，你就可以用这个句型。

I've already 课堂 - SpeakingMax英语口语达人

With "Mowing" as the example, I said that in Frost, meaning is always something made, something the poet works on and works for.

用“割草“做例子，我说过对弗罗斯特来说，意义总是一些事情体现出的，是一些诗人一直致力于的，一直追求的。

耶鲁公开课 - 现代诗歌课程节选