Irregular verbs

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Across
  1. 3. break
  2. 5. say
  3. 7. speak
  4. 9. drink
  5. 11. drive
  6. 12. come
  7. 14. sing
  8. 17. go
  9. 18. do
Down
  1. 1. fly
  2. 2. choose
  3. 3. build
  4. 4. take
  5. 6. make
  6. 7. swim
  7. 8. understand
  8. 10. see
  9. 13. know
  10. 15. pay
  11. 16. eat