1. If you don't like the film, I think you can watch something else
2. You should complete the exam in 30 minutes but you can't/mustn't use a calculator. This is the non-calculator exam.
3. I should/must cut down on the amount of sugar I eat. My teeth are terrible!
4. You souldn't listen to music while you’re studying. You can’t concentrate.
5. When I was five, I could ride a bike
6. You can/may tell me - I can keep a secret.
7. Did you have to write down everything the teacher said in your notebooks?
8. Were you able to remember the password when you logged on?
