Irregular verbs - Past Participle

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Across
  1. 3. find
  2. 6. break
  3. 8. send
  4. 10. understand
  5. 13. pay
  6. 14. think
  7. 15. begin
  8. 16. see
  9. 17. buy
  10. 18. sit
Down
  1. 1. write
  2. 2. know
  3. 4. drive
  4. 5. lose
  5. 7. eat
  6. 8. say
  7. 9. forget
  8. 11. speak
  9. 12. make
  10. 15. build
  11. 16. spend