The imperfect

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Across
  1. 9. every_year
  2. 11. a_lot
  3. 12. never
  4. 13. at_that_time
  5. 14. from_time_to_time
  6. 15. every_week
  7. 16. so_many_times
  8. 18. always
Down
  1. 1. for_awhile
  2. 2. every_week
  3. 3. often
  4. 4. all_the_time
  5. 5. frequently
  6. 6. many_times
  7. 7. every_day
  8. 8. usually
  9. 9. every_day
  10. 10. sometimes
  11. 17. every_month