1. He is to arrive here. = 2. He is going to arrive here. (same?)<br/><br/>1. They are to leave. = 2. They are going to leave. (same?)<br/><br/>1. You are to listen to me. = 2. You are going to listen to me. (same?)<br/><br/>If same, which one do you use often? (1or2)