Irregular verbs

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Across
  1. 4. have
  2. 5. swim
  3. 8. bite
  4. 10. choose
  5. 11. come
  6. 12. begin
  7. 13. build
  8. 14. buy
  9. 17. drive
  10. 18. draw
  11. 19. go
  12. 20. think
Down
  1. 1. cost
  2. 2. fall
  3. 3. build
  4. 6. break
  5. 7. see
  6. 9. eat
  7. 10. catch
  8. 11. cut
  9. 13. bring
  10. 14. be
  11. 15. get
  12. 16. sing
  13. 17. do
  14. 18. drink