Grammar
-(으)면 좋겠다
to wish; hope that
Form
Verb/adjective stem + -(으)면 좋겠다 (“I wish”, “it would be nice if”).
Function
Expresses a wish about a hypothetical situation, sometimes strongly, without claiming the event will happen.
Why this form?
-기를 바라다 — “hope that / wish for”: directly states a wish, often more formal; -(으)면 좋겠다 imagines the desired situation.
Forms not to confuse
-기를 바라다
평화를 찾기를 바랍니다. — I hope you find peace.
Examples
그냥 빨리 죽어 버렸으면 좋겠어!! — I just wish you would die soon!
내일 비가 안 오면 좋겠어요. — I hope it doesn't rain tomorrow.