YOU SAID:

aha! thourt returned, and what a fine day it is

INTO JAPANESE

ああ！あなたは戻ってきました

BACK INTO ENGLISH

Oh! You are back

INTO JAPANESE

ああ！あなたは戻って来る

BACK INTO ENGLISH

Oh! You will come back

INTO JAPANESE

ああ！あなたは戻ってくるでしょう

BACK INTO ENGLISH

Oh! You will come back