irregular verbs

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Across
  1. 1. swim swam ____
  2. 3. do ____ done
  3. 5. stand stood ____
  4. 6. drink drank ____
  5. 7. catch ____ caught
  6. 11. become ____ become
  7. 12. fly ____ flown
  8. 13. buy ____ bought
  9. 14. choose chose ____
  10. 16. win ____ won
  11. 18. go ____ gone
Down
  1. 1. sell ____ sold
  2. 2. make ____ made
  3. 4. ride rode ____
  4. 5. shake shook ____
  5. 8. think ____ thought
  6. 9. keep ____ kept
  7. 10. lie lay ____
  8. 15. speak ____ spoken
  9. 17. eat ____ eaten
  10. 18. wear wore ____