YOU SAID:
I know i really do know, I know you did
INTO JAPANESE
私は本当に知っている、あなたがしたことを知っている
BACK INTO ENGLISH
I really know, know what you did
INTO JAPANESE
私は本当に知っています、あなたがしたことを知っています
BACK INTO ENGLISH
I really know, I know what you did
INTO JAPANESE
私は本当に知っている、私はあなたが何をしたか知っている
BACK INTO ENGLISH
I really know, I know what you did
That didn't even make that much sense in English.