irregular verbs

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Across
  1. 2. simple past of "κολυμπώ"
  2. 3. simple past of "have"
  3. 5. simple past of "fall"
  4. 7. infinitive of "bought"
  5. 9. infinitive of "spoken"
Down
  1. 1. simple past of "give"
  2. 4. past participle of "drank"
  3. 5. simple past of "forget"
  4. 6. past participle of "lose"
  5. 8. past participle of "be"