past tenses irregular verbs

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Across
  1. 3. to eat
  2. 4. to cost
  3. 7. to take
  4. 9. to listen
  5. 11. to make
  6. 13. to buy
  7. 15. to ride
  8. 16. to drink
  9. 18. to run
Down
  1. 1. to sit
  2. 2. to go
  3. 4. to choose
  4. 5. to see
  5. 6. to wake up
  6. 8. to grow
  7. 10. to speak
  8. 12. to do
  9. 14. to have
  10. 17. to read