Puzzle irregular verbs

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Across
  1. 2. Ate
  2. 3. Went
  3. 4. Had
  4. 5. Made
  5. 6. Was
  6. 8. Began
  7. 9. Found
  8. 10. Did
  9. 11. Bought
Down
  1. 1. Became
  2. 4. Heard
  3. 6. Built
  4. 7. Read
  5. 9. Flew
  6. 11. Bought