irregular verbs

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Across
  1. 1. see
  2. 5. say
  3. 7. burn
  4. 8. speak
  5. 9. become
  6. 11. teach
  7. 12. meet
  8. 13. buy
  9. 16. wear
  10. 17. sleep
  11. 18. keep
  12. 19. ring
Down
  1. 1. swim
  2. 2. be
  3. 3. write
  4. 4. break
  5. 5. stand
  6. 6. drink
  7. 7. begun
  8. 9. bring
  9. 10. bite
  10. 12. make
  11. 13. build
  12. 14. take
  13. 15. blow
  14. 17. stink
  15. 19. ride