YOU SAID:
I could have never done this without you
INTO JAPANESE
私はあなたなしでこれをやったことがありませんでした
BACK INTO ENGLISH
I never did this without you
INTO JAPANESE
私はあなたなしでこれをやったことがない
BACK INTO ENGLISH
I have never done this without you
INTO JAPANESE
私はあなたなしでこれをやったことがありません
BACK INTO ENGLISH
I have never done this without you
Yes! You've got it man! You've got it