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11. He (to be) older than his sister
12. She (to be) five years younger than her brother.
13. She (to be) eager to become a teacher of English.
14. You (to be) in a hurry, I (to be) afraid.
15. She (to be) always glad to see her grandmother.
16. They (to be) married, they (not to be)?
17. He (not to be) married.
18. You (to be) married?
19. I to be) a doctor, I (not to be)?
20. I (not to be) late?

11. is12. is13. is14. are / am15. is16. They are married, aren't they? 17. isn't married. 18. Are you married? 19. I'm a doctor, aren't I?20. I'm not late, am I?