1.He … (can’t/couldn’t) open the window as it was stuck.
2. Interpreters … (may/must) translate without dictionaries.
3. … (Can/May) I use me your bike for today?
4. … (May/Could) you give me the recipe for this cake?
5. I hardly ever see Jane, she … (may/might) have moved to Africa.
6. Take an umbrella. It … (may/can) rain.
7. You … (could/should) stop smoking. You know you … (cannot/must not) buy health.
8. You … (may/must) finish the article as soon as possible.
9. Liz doesn’t … (ought to/have to) keep to a diet anymore.
10. Lara … (can/might) get a playstation for her birthday.
11. You … (must not/needn’t) read in the dark.
12. My grandfather is retired, so he … (shouldn’t/doesn’t have to) go to work.