Irregular verbs

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Across
  1. 3. Past word of "catch"
  2. 4. Past word of "sit"
  3. 6. Past word of "sit"
  4. 7. Past word of "draw"
  5. 9. past word of "speak"
  6. 10. Past word of "meet"
  7. 12. Past word of "ride"
  8. 15. Past word of "buy"
  9. 16. Past word of "write"
Down
  1. 1. Past word of "see"
  2. 2. Past word of "think"
  3. 4. Past word of "sleep"
  4. 5. Past word of "do"
  5. 6. Past word of "swim"
  6. 8. Past word of "read"
  7. 9. Past word of "sing"
  8. 11. Past word of "take"
  9. 13. Past word of "stand"
  10. 14. Past word of "give"
  11. 16. Past word of "win"