1) How long have you owned this beautiful house, Mr Starr?
- Not so long. I've just bought it.
2) Look at Nick's clothes! I think, he has been playing football.
3) I'm so tired. I've been skiing all the afternoon.
4) I've known this rule nearly all my life.
5) I have been phoning (или have phoned) him for an hour and a half. There is no answer. What has he been doing all this time?
6) If they have been in Moscow for two weeks, they had already visited the Bolshoi, I think.
7) My friend Rose has been studing French since last year. She can speak it a little.
Do they water the flowers every 3 days?