Regular and Irregular Verbs

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Across
  1. 1. Shut
  2. 4. Auxiliary verb (-)
  3. 6. Buy
  4. 7. Is
  5. 10. Go
  6. 11. Make
  7. 13. Play
  8. 16. Put
  9. 17. Do
Down
  1. 2. Try
  2. 3. Isn’t
  3. 5. Think
  4. 8. Sleep
  5. 9. Are
  6. 12. Read
  7. 14. Eat
  8. 15. Auxiliary verb (?)