Verbs in past participle

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Across
  1. 3. Clue
  2. 5. SWIM
  3. 6. BE
  4. 8. GO
  5. 9. FLY
  6. 11. WRITE
  7. 12. BUY
  8. 14. SPEAK
  9. 16. MAKE
  10. 17. LET
  11. 18. TAKE
Down
  1. 1. DRINK
  2. 2. GET
  3. 4. DO
  4. 5. SEE
  5. 6. BEGIN
  6. 7. BREAK
  7. 10. FORGET
  8. 13. HAVE
  9. 14. SLEEP
  10. 15. EAT