1. The wind has changed from North to East.
2. I have arranged everything for your trip.
3. The Blue Bird has been on at the Moscow Art Theatre since I was a boy.
4. You have not answered my question yet.
5. The rain has just stopped.
6. They have always said it will happen one day.
7. My aunt has always been kind to me.
8. Has the secretary called on her this week?
9. Nobody has seen him lately.
10. Who has ever spoken to you about this new arrangement?