пожалуйста помогите .

Listen to the coach or you won’t know what to do. If you don’t listen to the coach, you won’t know what to do. Unless you listen to the coach, you won’t know what to do.
We’d better hurry or we’ll miss the start of the match. If we don’t hurry,we will miss the start of the match. Unless we hurry, we will miss the start of the match.