1. Visitors didn't see lots of wonderful buildings.
2. My mother and father don't usually have a nice trip in the summer.
3. You didn't write a long poem yesterday.
4. I won't visit Rome next summer
5. Olga doesn't go to school every day
6. Sasha didn't give me a book three days ago
7. I won't have to do his homework tomorrow
8. She doesn't want to go to Moscow alone
9. Mary won't play the guitar tomorrow
10. We didn't collect a lot of stamps last year