Irregular past simple verbs

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Across
  1. 3. this was done using a pen and paper
  2. 5. a ball was used to do this
  3. 6. when you had a disagreement
  4. 8. this happened using a sharp object
  5. 9. this happened to a letter in the post
  6. 14. when you knew the answer to a question
Down
  1. 1. when the floor was cleaned
  2. 2. when something got bigger
  3. 4. when something was not remembered
  4. 6. a lost object was discovered
  5. 7. something was offered to someone else
  6. 10. when you had ideas
  7. 11. when a liquid was consumed
  8. 12. if more than one person came together
  9. 13. this was done in a mode of transport