Irregular verb tense

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Across
  1. 3. shook
  2. 4. drank
  3. 6. hid
  4. 7. felt
  5. 9. began
  6. 10. shot
  7. 12. fell
  8. 14. drove
  9. 15. hurt
Down
  1. 1. chose
  2. 2. bent
  3. 5. bit
  4. 7. forgave
  5. 8. swept
  6. 11. held
  7. 13. tought