afirmative and negative

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Across
  1. 2. in a negative sentence we use the contraction?
  2. 4. what do negative sentences contain?
  3. 5. A positive sentence tells you about something that exists or something that is...
  4. 7. Negative sentences tell you that something
  5. 9. I go to school. is it a sentence?
  6. 11. is a group of words that expresses a complete thought
Down
  1. 1. What does an affirmative sentence do?
  2. 3. how does an affirmative sentence end?
  3. 6. to form negative sentences we use the verbs (-------) do and does
  4. 8. Maria is not happy. what kind of sentence is it?
  5. 10. simple sentences have a subject and?