Irregular verbs

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Across
  1. 2. reduce
  2. 5. boost
  3. 7. begin
  4. 12. cry
  5. 13. pledge
  6. 14. shoot
  7. 15. plunge
  8. 16. adhere
  9. 18. broom
  10. 19. create
  11. 20. provide
Down
  1. 1. bounce
  2. 3. cover
  3. 4. explosion
  4. 6. glow
  5. 8. planted
  6. 9. rip
  7. 10. ban
  8. 11. walkout
  9. 13. oscillation
  10. 17. deceit
  11. 18. expansion