Purple 'y_u'

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Across
  1. 1. Antonym for 'yummy'
  2. 4. Past tense of 'use'
  3. 5. Rhymes with 'net'
  4. 7. 365 days = ____
  5. 8. Antonym for 'yucky'
  6. 10. ___ your manners!
  7. 11. Contraction - 'you have'
  8. 12. Synonym for 'cylinder'
  9. 13. Contraction - 'you will'
  10. 14. Past tense of 'know'
  11. 16. Antonym for 'old'
  12. 17. Antonym for 'many'
Down
  1. 1. I have a trampoline in my back____.
  2. 2. Use ___ manners!
  3. 3. Synonym for 'pretty'
  4. 5. Antonym for 'me'
  5. 6. A 3 Dimensional square
  6. 7. Antonym for 'no'
  7. 8. A prime colour, with red and blue
  8. 9. Contraction - 'you are'
  9. 15. Antonym for 'old'