regular/irreguler verbs in past tense

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Across
  1. 2. to like
  2. 3. to send
  3. 4. to move
  4. 5. to keep
  5. 8. to call
  6. 9. to walk
  7. 12. to run
  8. 13. to help
  9. 16. to jump
  10. 18. to read
  11. 19. to smile
Down
  1. 1. to sleep
  2. 3. to speak
  3. 5. to kill
  4. 6. to pay
  5. 7. to see
  6. 10. to laugh
  7. 11. to make
  8. 14. to love
  9. 15. to hear
  10. 17. to kiss
  11. 20. to leave