YOU SAID:

so basically if you think about that one thing that one time happened you know?

INTO JAPANESE

つまり、一度起こったそのことについて考えてみればわかるでしょうか？

BACK INTO ENGLISH

I mean, if you think about that thing that happened once, you know?

INTO JAPANESE

つまり、かつて起こったことを考えてみればわかりますか？

BACK INTO ENGLISH

I mean, if you think about what happened before, you know?

INTO JAPANESE

つまり、以前に何が起こったか考えてみればわかりますか？

BACK INTO ENGLISH

I mean, if you think about what happened before, you know?