regular and irregular verbs

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Across
  1. 2. grow, grew, …
  2. 6. forgive, forgave, …
  3. 9. look, looked, ...
  4. 11. sit, sat, …
  5. 12. forget, forgot, …
  6. 13. keep, kept, …
  7. 17. do, did, …
  8. 18. eat, ate, …
  9. 19. think, thought
  10. 21. win, won, …
  11. 22. become, became, …
Down
  1. 1. give, gave, …
  2. 3. work, worked, …
  3. 4. prepare, prepared, …
  4. 5. feel, felt, …
  5. 7. write, wrote, …
  6. 8. understand, understood, …
  7. 10. spend, spent, …
  8. 12. find, found, …
  9. 14. read, read, …
  10. 15. choose, chose, …
  11. 16. know, knew, …
  12. 20. have, had, …
  13. 22. build, built, …