Irregular Verbs Crossword

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Across
  1. 4. take
  2. 6. swim
  3. 8. lose
  4. 9. become
  5. 10. forget
  6. 11. buy
  7. 13. read
  8. 16. sing
  9. 17. draw
  10. 18. go
Down
  1. 1. speak
  2. 2. mistake
  3. 3. fell
  4. 5. sleep
  5. 7. write
  6. 9. begin
  7. 12. think
  8. 14. drink
  9. 15. say
  10. 16. see