YOU SAID:
heaven only knows where you've been
INTO JAPANESE
天国はあなたがどこにいたのかしか知りません
BACK INTO ENGLISH
Heaven knows where you were
INTO JAPANESE
天国はあなたがどこにいるのかを知っています
BACK INTO ENGLISH
Heaven knows where you are
INTO JAPANESE
天国はあなたがどこにいるかを知っています
BACK INTO ENGLISH
Heaven knows where you are
That didn't even make that much sense in English.