Crossword Verbs: Past simple & past participle

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Across
  1. 2. past simple "buy"
  2. 4. past simple "bring"
  3. 5. past participle "forgot"
  4. 6. past simple "teach"
  5. 8. past participle "speak"
  6. 9. past participle "fall"
Down
  1. 1. past simple "catch"
  2. 3. past simple "think"
  3. 4. past participle "break"
  4. 7. past participle "go"