Irregular verbs in past form

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Across
  1. 1. sit
  2. 5. fall
  3. 6. draw
  4. 8. read
  5. 10. keep
  6. 11. sing
  7. 15. write
  8. 17. throw
  9. 18. steal
  10. 19. has, have
Down
  1. 1. sleep
  2. 2. tell
  3. 3. are
  4. 4. break
  5. 7. is
  6. 8. run
  7. 9. drink
  8. 12. eat
  9. 13. drive
  10. 14. go
  11. 16. take
  12. 18. swim