irregular verb

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Across
  1. 2. - forbid -... - forbidden
  2. 3. - seek - ... - sought
  3. 7. - know - ... - known
  4. 8. -forget - ... - forgotten
  5. 10. - teach - ... - taught
  6. 12. - set - ... - set
  7. 13. - blow - ... - blown
  8. 15. - ate - ... - eaten
  9. 16. - meet - ... - met
Down
  1. 1. - beat - ... beaten
  2. 3. - swear - ... - sworn
  3. 4. - grow - .... - grown
  4. 5. - drink - ... - drank
  5. 6. - cost - ... - cost
  6. 7. - keep - ... - kept
  7. 8. -fight - .... - fought
  8. 9. - dig -... - dug
  9. 11. - arise - ... - arisen
  10. 12. - sell - ... - sold
  11. 14. -be - ... - been