YOU SAID:
Do you hear what I hear?
INTO JAPANESE
あなたは私が聞いたことを聞きますか?
BACK INTO ENGLISH
Do you hear what I have heard?
INTO JAPANESE
あなたは私が聞いたことがありますか?
BACK INTO ENGLISH
Have you heard of me?
INTO JAPANESE
わかるかな?
BACK INTO ENGLISH
Have you heard of me?
That didn't even make that much sense in English.