irregular verbs

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Across
  1. 4. past participle: bite
  2. 5. simple past: catch
  3. 8. infinitive: heard
  4. 9. past participle: sang
  5. 10. simple past: drew
  6. 11. past participle: take
Down
  1. 1. simple past: lose
  2. 2. past participle: was/were
  3. 3. simple past: come
  4. 6. infinitive: thought
  5. 7. simple past: written
  6. 9. simple past: sink