Irregular verbs

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Across
  1. 1. swim
  2. 3. run
  3. 6. hide
  4. 8. fly
  5. 9. write
  6. 11. send
  7. 12. begin
  8. 14. become
  9. 17. think
  10. 18. forget
  11. 19. take
  12. 20. know
Down
  1. 1. say
  2. 2. meet
  3. 3. ride
  4. 4. choose
  5. 5. leave
  6. 7. break
  7. 10. catch
  8. 11. sleep
  9. 13. have
  10. 14. buy
  11. 15. bring
  12. 16. stand
  13. 18. find