Irregular verbs

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Across
  1. 4. told told
  2. 5. won won
  3. 6. wore worn
  4. 7. spelt spelt
  5. 8. threw thrown
  6. 10. taught taught
  7. 11. took taken
  8. 12. sent spent
  9. 13. stood stood
  10. 15. swam swum
Down
  1. 1. slept slept
  2. 2. stole stolen
  3. 3. understood understood
  4. 5. wrote written
  5. 7. sat sat
  6. 9. woke woken
  7. 12. sang sung
  8. 14. thought thought
  9. 15. spoke spoken