irregular preterite verbs

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Across
  1. 3. they did
  2. 6. she brought
  3. 7. I had
  4. 9. he came
  5. 12. i know
  6. 15. he walked
  7. 17. we fit
  8. 18. i walked
Down
  1. 1. i came
  2. 2. he did
  3. 4. we were able to
  4. 5. he wants
  5. 8. i know
  6. 10. we be
  7. 11. she said
  8. 12. I put
  9. 13. he had
  10. 14. you said
  11. 16. i did