YOU SAID:
i didnt do this before
INTO JAPANESE
私は前にこれをしなかった
BACK INTO ENGLISH
i haven't done this before
INTO JAPANESE
私は前にこれをやったことがありません
BACK INTO ENGLISH
i have never done this before
INTO JAPANESE
私は前にこれをやったことがありません
BACK INTO ENGLISH
i have never done this before
Okay, I get it, you like Translation Party.