我的朋友，如果你曾经在这里，你会感知并拥有知识的力量。

Wert thou but once here, my friend, though wouldst feel and own the power of knowledge.

youdao

一个与我曾经是朋友的年轻人在被告知我一直在污蔑他后就和我反目成仇了。

A kid I used to be friends with turned against me after being told that I'd been insulting him.

《柯林斯英汉双解大词典》

我将永远记得，朋友和老师曾经是如何帮助我的。

I will always remember how my friends and teachers used to help me.

youdao

I have a friend who's a social psychologist who told me a story once that really made me very nervous, although she's fine.

我有一个社会心理学家朋友,她曾经给我说过一个故事,让我很紧张，虽然她现在一切都好。

耶鲁公开课 - 心理学导论课程节选

I went with a group of friends

我曾经和一帮朋友去过，

关于伦敦眼的回忆 - SpeakingMax英语口语达人