YOU SAID:

when did you do that and how please tell me because i honestly don't know

INTO JAPANESE

いつそれをしたのか、正直言ってわからないので教えてください

BACK INTO ENGLISH

I don't know when you did it, so let me know

INTO JAPANESE

いつやったかわからないので、教えてください

BACK INTO ENGLISH

I don't know when I did it, please let me know

INTO JAPANESE

いつやったかわからない、教えてください

BACK INTO ENGLISH

I don't know when I did it, please tell me

INTO JAPANESE

いつやったかわかりません、教えてください

BACK INTO ENGLISH

I don't know when I did it, please tell me