Irregular verbs

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Across
  1. 1. have
  2. 3. see
  3. 4. know
  4. 6. run
  5. 7. make
  6. 9. lose
  7. 11. drive
  8. 12. fly
  9. 13. forget
Down
  1. 2. drink
  2. 3. sing
  3. 5. go
  4. 6. read
  5. 8. eat
  6. 9. leave
  7. 10. sleep