Bob: Will you be able to go skiing with us next weekend?
Peter: No, I will be in London then.
B: Really ? Why are you going there?
P: There’s a very important meeting, and after I attend that I will visit a friend in Sussex .
B: Before you leave, will you give me a ring? There are a few things I’d like you to buy while you are there.
P: Yes, of course. I will ring you on Friday.