A: Excuse me. Could you make some copies for me please? B: Sure.
Two friends
A: I need these photocopies made by 3 o´clock. Can you do it? B: Sure. I´ll do them now.
A: Could you make some copies please? B: Yes, of course.
A: I need some copies. B: Ok, I´ll do them.
Manager and clerk who know each other
Two strangers
New manager and clerk