Irregular verbs

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Across
  1. 3. Past tense of bring
  2. 5. Past tense of see
  3. 6. Past participle of write
  4. 9. Past participle of know
Down
  1. 1. Past participle of think
  2. 2. Past tense of blown
  3. 4. Past participle of read
  4. 5. Past participle of see
  5. 7. Past participle of eat
  6. 8. Past tense of buy