YOU SAID:
I KNOW HE'S BACK ON THE DAY!!!
INTO JAPANESE
彼がその日に戻ってくるとわかっています!!!
BACK INTO ENGLISH
I know he will be back that day!!!
INTO JAPANESE
彼はその日に戻ってくると私は知っています!!!
BACK INTO ENGLISH
I know he will be back that day!!!
Come on, you can do better than that.