Irregular verbs-- Participle past

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Across
  1. 2. swim
  2. 3. become
  3. 5. fly
  4. 8. drive
  5. 10. fall
  6. 11. ring
  7. 13. take
  8. 14. thrown
  9. 15. Know
  10. 17. drink
Down
  1. 1. do
  2. 2. see
  3. 4. choose
  4. 6. write
  5. 7. be
  6. 9. eat
  7. 12. grow
  8. 16. wear