Regular and Irregular verbs

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Across
  1. 1. beat
  2. 3. build
  3. 4. feed
  4. 5. start
  5. 7. meet
  6. 12. eat
  7. 13. understand
  8. 15. open
  9. 17. sleep
  10. 18. teach
  11. 19. know
  12. 20. keep
Down
  1. 1. buy
  2. 2. write
  3. 4. forget
  4. 6. think
  5. 7. make
  6. 8. have
  7. 9. begin
  8. 10. show
  9. 11. spend
  10. 14. study
  11. 16. drink