stem change verbs

123456789101112131415161718
Across
  1. 5. to fly
  2. 6. to close
  3. 7. to have
  4. 8. to sleep
  5. 11. to find
  6. 13. to follow
  7. 14. to understand
  8. 15. to think
  9. 17. to measure
  10. 18. to ask for
Down
  1. 1. to count/to tell
  2. 2. to prefer
  3. 3. to correct
  4. 4. to cost
  5. 9. to repeat
  6. 10. to start
  7. 12. to want
  8. 13. to dream
  9. 16. to serve