YOU SAID:

ive been getting it wrong for years

INTO JAPANESE

iveは何年もの間それを間違えてきました

BACK INTO ENGLISH

ive has made it wrong for years

INTO JAPANESE

iveは何年もの間それを間違っていました

BACK INTO ENGLISH

ive was wrong with it for years

INTO JAPANESE

iveは何年もの間それで間違っていました

BACK INTO ENGLISH

ive was wrong with it for years