irregular verbs

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Across
  1. 2. past participle win
  2. 4. past participle pay
  3. 7. past participle say
  4. 8. infinitive chosen
  5. 10. past participle become
Down
  1. 1. simple past prove
  2. 3. simple past teach
  3. 5. infinitive lost
  4. 6. past participle lie
  5. 9. simple past swim