Spell them correctly

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Across
  1. 2. A lot (4 letters)
  2. 4. Incorrect
  3. 6. To a large degree/extent (4 letters)
  4. 7. Plural for person
  5. 8. Past tense of say
  6. 9. Antonym to after
Down
  1. 1. Do over
  2. 3. Person who likes you and you like them
  3. 5. ____ upon a time…
  4. 8. Place to learn