Ответ:

  1. May I take your magazine? — Yes, you may.
  2. Can you come earlier? — Yes, I can.
  3. We may come in time for our classes.
  4. Nobody may come into the shops with dogs.
  5. I can swim well.
  6. My brother can not play badminton.
  7. You must not touch this microscope.
  8. May I work on your computer?
  9. She can translate these texts.
  10. We can not do these exercises. They are too difficult.
  11. Can you call her later?