YOU SAID:

uve done this before, havent u

INTO JAPANESE

前にもやったことあるよね？

BACK INTO ENGLISH

We've done this before, right?

INTO JAPANESE

前にもこんなことやったことあるよね？

BACK INTO ENGLISH

Have you done this before?

INTO JAPANESE

これまでにこれをやったことがありますか?

BACK INTO ENGLISH

Have you ever done this before?

INTO JAPANESE

これまでにこれをやったことがありますか?

BACK INTO ENGLISH

Have you ever done this before?