irregular verbs

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Across
  1. 2. lost
  2. 7. thrown
  3. 8. forgiven
  4. 9. done
  5. 10. sent
  6. 12. grown
  7. 13. written
  8. 14. fed
  9. 16. kept
  10. 17. known
Down
  1. 1. chosen
  2. 3. eaten
  3. 4. swum
  4. 5. driven
  5. 6. gone
  6. 8. forgotten
  7. 10. seen
  8. 11. drunk
  9. 14. fallen
  10. 15. begun