1. You mustn't cut down trees in this forest.
2. Olga needs to paint the house.
3. -
4. You should book a room in this hotel in advance.
5. George have to buy a new computer.
6. Simon must be a good driver.
7. Mary can't like...
8. Do you know whose is this scarf?
9. We may get the famous writer's autograph?
10. The guide shouldn't have chosen this route.
11. You can park your car in this area.