Irregular verbs

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Across
  1. 2. bought
  2. 4. gave
  3. 5. built
  4. 6. went
  5. 7. had
  6. 9. cost
  7. 11. cut
  8. 13. swam
  9. 16. wrote
  10. 18. came
  11. 19. left
  12. 20. spent
  13. 21. took
  14. 22. drank
Down
  1. 1. found
  2. 2. began
  3. 3. forgot
  4. 5. became
  5. 8. grew
  6. 10. sat
  7. 12. understood
  8. 13. sold
  9. 14. fell
  10. 15. lost
  11. 17. read