Daedalus - Perfect Passive Participles

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Across
  1. 2. having been ignored
  2. 4. having been looked for
  3. 6. having been prepared
  4. 12. participles are verbal ______
  5. 14. having been started
  6. 16. having been discovered
  7. 17. the perfect passive participle is the ___ part of a verb
  8. 18. having been received
  9. 20. having been lossened
  10. 21. having been made
  11. 22. having been watched
Down
  1. 1. having been placed
  2. 3. having been tied
  3. 5. having been warned
  4. 7. having been heard
  5. 8. having been held
  6. 9. having been called
  7. 10. having been seen
  8. 11. having been killed
  9. 13. having been taught
  10. 15. having been saved
  11. 19. having been returned