irregular verbs

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Across
  1. 2. grown
  2. 4. taken
  3. 5. found
  4. 7. been
  5. 8. begun
  6. 9. flown
  7. 10. stolen
  8. 11. fallen
Down
  1. 1. made
  2. 2. got
  3. 3. understood
  4. 6. given
  5. 7. bought
  6. 9. flown