Irregular verbs in past

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Across
  1. 1. fly
  2. 4. write
  3. 6. give
  4. 7. have
  5. 9. make
  6. 12. buy
  7. 13. see
Down
  1. 2. go
  2. 3. drive
  3. 5. say
  4. 8. eat
  5. 9. meet
  6. 10. drink
  7. 11. cut
  8. 12. begin