II. Transformation.
Must/Should
1. It's necessary to be quiet at night. No talking!
=> You......
2. It's a good idea to carry a water bottle.
=> You.......
3. It's very important for all visitors to follow the rules at the sports centre.
=> You..........
4. It isn't a good idea to bring a mobile phone.
=> You.........
5. Never swim in the river. This is forbidden.
=> You..........
6. Never take dogs into the park. It isn't allowed.
=> You.........
7. Never pick flowers here. That's the rule.
=> You........
8. It isn't a good idea to buy that T-shirt. It's expensive.
=> You..........
9. It's necessary to wear uniforms at our school. That's the rule.
=> You..........
10. Never eat the fruit on the trees. It isn't allowed.
=> You............