modal verbs

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Across
  1. 2. he can't
  2. 3. I don't want to
  3. 4. we don't have to
  4. 5. to be able to
  5. 6. I can
  6. 7. he wants to
  7. 10. we can
  8. 11. she has to
  9. 13. they want to
  10. 15. to have to
Down
  1. 1. they(f) can't
  2. 8. you have to
  3. 9. to want to
  4. 12. I have to
  5. 14. you(s) have to