Prefixes That Tell When

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Across
  1. 2. your crossword puzzle with mixed clues:
  2. 4. required beforehand
  3. 8. to a document or speech
  4. 9. note added after the main body of text
Down
  1. 1. without full examination or knowledge
  2. 3. historians consider when thinking about the future
  3. 5. before the proper time
  4. 6. before in time
  5. 7. following the regular season in sports
  6. 10. to take for granted without proof