imperfect regular verbs

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Across
  1. 4. I spoke
  2. 7. We put
  3. 9. We played
  4. 10. He sang
  5. 13. He walked
  6. 14. We did
  7. 17. He had
  8. 19. I danced
  9. 20. They slept
  10. 21. You drove
Down
  1. 1. They yelled
  2. 2. They wrote
  3. 3. I cried
  4. 5. I cooked
  5. 6. They ran
  6. 8. I knew
  7. 11. We worked
  8. 12. I bought
  9. 13. You cooked
  10. 15. I worked
  11. 16. We wanted
  12. 18. He ate