here are some definitions for each of these adverbs:
  • Always: at all times; every time; without exception.
  • Constantly: continuously; without pause or interruption.
  • Steadily: in a stable and consistent manner; without sudden changes.
  • Non-stop: without stopping; continuous and uninterrupted.
  • Often: frequently; many times; on many occasions.
  • Frequently: happening or occurring regularly; often.
  • Usually: typically; generally; in most cases.
  • Sometimes: on occasion; from time to time; occasionally.
  • Occasionally: happening infrequently; once in a while; at irregular intervals.
  • Periodically: happening at regular intervals; from time to time.
  • From time to time: occasionally; sometimes; not regularly.
  • Now and then: occasionally; from time to time; once in a while.
  • Rarely: not often; seldom; on rare occasions.
  • Seldom: infrequently; rarely; not often.
  • Hardly ever: almost never; very rarely.
  • Never: not ever; not at any time.