Irregular verbs

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Across
  1. 3. past participle of know
  2. 5. past participle of GO
  3. 6. past participle of BE
  4. 8. simple past of GET
  5. 10. past participle of FALL
  6. 11. simple past of TEACH
  7. 12. simple past of GO
  8. 13. simple past of RUN
Down
  1. 1. past participle of GIVE
  2. 2. past participle of SPEAK
  3. 4. past participle of FORGET
  4. 6. past participle of BUILD
  5. 7. simple past of KNOW
  6. 9. simple past of TEACH