Irregular Past Tense Verbs

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Across
  1. 3. catch
  2. 5. go
  3. 6. say
  4. 8. think
  5. 9. sleep
  6. 11. fly
  7. 14. drink
  8. 15. hear
  9. 17. grow
  10. 19. sit
  11. 20. spend
Down
  1. 1. buy
  2. 2. eat
  3. 4. teach
  4. 5. write
  5. 7. drink
  6. 9. swim
  7. 10. pay
  8. 12. learn
  9. 13. sing
  10. 16. creep
  11. 18. win
  12. 19. sink