YOU SAID:

what would you do if I leave and don't come back

INTO JAPANESE

私が去って戻ってこない場合、あなたは何をしますか

BACK INTO ENGLISH

What will you do if I leave and don't come back?

INTO JAPANESE

もし私が去って戻ってこなかったら、あなたは何をしますか。

BACK INTO ENGLISH

If I leave and don't come back, what will you do?

INTO JAPANESE

もし私が去って戻ってこなかったら、あなたは何をしますか？

BACK INTO ENGLISH

If I leave and don't come back, what will you do?