1. Sorry, you cannot smoke inside this room.
2. You shouldn't go to that restaurant. It's not very good.
3. After you finish the test, you may leave if you want to.
4. You must show your passport at the check-in desk.
5. They can't go swimming today because the pool is closed.
6. I think you should see a doctor if you are ill.
7. Drivers have to start their journey early.
8. Young children can watch the film.
9. You can't walk on the grass.
10. Students can buy cheap fares here.
