Jack: Hi, Jill. Where's Paul?
Jill: Oh, he 1) has gone to London for a few days.
Jack: Really! I 2) have been to London recently. I came back yesterday. 3) Have you been there?
Jill: No, I haven't. Paul 4) has been twice before, though. Where's Sarah?
Jack: She 5) has gone to Spain for two weeks with her parents. They 6) have gone there to visit some friends.
Jill: When is she coming back?
Jack: They'll all be back next weekend.