Unusual Past Tense

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Across
  1. 3. Past tense version of feel
  2. 6. Past tense version of find
  3. 8. Past tense version of hear
  4. 9. Past tense version of bring
  5. 10. Past tense version of buy
  6. 11. Past tense version of keep
  7. 14. Past tense version of wear
  8. 15. Past tense version of see
Down
  1. 1. Past tense version of choose
  2. 2. Past tense version of teach
  3. 3. Past tense version of feed
  4. 4. Past tense version of think
  5. 5. Past tense version of lose
  6. 7. Past tense version of freeze
  7. 9. Past tense version of break
  8. 11. Past tense version of know
  9. 12. Past tense version of pay
  10. 13. Past tense version of swim
  11. 15. Past tense version of say