A: Your sister's crying.В: I know. She's been watching a sad film. She had seen it three times and always cries
A: Sue and Dave look upset. B: They are.They have been argueing and I think they have decided not to go out with each other anymore .
A: They're playing already.B: Yes. They have been playing for ten minutes but don't worry, they haven't scored yet.
A: Your clothes are wet.
В: I know. I have been walking in the rain and I haven't had a chance to change my clothes yet .