Irregular past tense

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Across
  1. 1. she had
  2. 3. I was impermanent
  3. 5. we went
  4. 7. they had
  5. 9. they did
  6. 11. I did
  7. 12. we bought
  8. 13. we did
Down
  1. 1. I brought
  2. 2. I had
  3. 3. he was, not permanent
  4. 4. we were impermanent
  5. 6. they were permanent
  6. 8. they came
  7. 10. we came