Irregular verbs - past participle

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Across
  1. 2. swim
  2. 3. buy
  3. 5. read
  4. 8. lose
  5. 10. go
  6. 14. understand
  7. 15. write
  8. 16. be
Down
  1. 1. cut
  2. 2. set
  3. 4. have
  4. 6. eat
  5. 7. do
  6. 9. read
  7. 10. get
  8. 11. pay
  9. 12. run
  10. 13. break