irregular verbs

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Across
  1. 5. read
  2. 6. drive
  3. 7. come
  4. 11. teach
  5. 12. write
  6. 14. sit
  7. 15. run
  8. 17. go
  9. 18. get
  10. 19. buy
  11. 21. do
Down
  1. 1. ride
  2. 2. bring
  3. 3. sleep
  4. 4. catch
  5. 8. eat
  6. 9. put
  7. 10. drink
  8. 13. think
  9. 14. see
  10. 16. stand
  11. 20. have