Irregular Verbs

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Across
  1. 3. Past participle of 'drive'
  2. 5. Past participle of 'become'
  3. 6. Past participle of 'catch'
  4. 7. Past participle of 'drink'
  5. 9. Past participle of 'swim'
Down
  1. 1. Past participle of 'forget'
  2. 2. Past participle of 'beat'
  3. 4. Past participle of 'blow'
  4. 7. Past participle of 'do'
  5. 8. Past participle of 'know'