Staff: I'm sorry. You can't change the ticket now. The box office opens 3 p.m. Peter: Oh, no! I can't wait that long.

• 1. They are talking at 3 p.m.
• 2. They are not at the box office.
• 3. Peter will have to wait until 3 p.m.
• 1. They are talking at 3 p.m. 2. They are not at the box office. 3. Peter will have to wait until 3 p.m. 4. Peter won't have to show the ticket today.