Irregular verbs third form

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Across
  1. 1. bought
  2. 2. caught
  3. 4. done
  4. 5. bitten
  5. 6. swept
  6. 7. been
  7. 8. known
  8. 9. begun
Down
  1. 1. bled
  2. 3. chosen
  3. 5. broken
  4. 7. burnt
  5. 10. gone