Ех.11. You (must, can) go to bed now.2. She (may, should) read this book.3. I (must, may) go home.4. He (can, may) speak English.5. The students (must, may) use a calculator at the Maths lessons.6. My mother (can, should) cook many delicious dishes.7. My father (must, can) drive a car.8. Jack (can, must) play the guitar very well.9. You (should, must) ask his advice.10. Kate (may, can) remember a lot of words.Ех.21. 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.​