Adverbs of frequency=always,never,seldom,hardly ever,often,rarely,sometimes, usually.They tend to occur in mid-position,between Subject and Predicator or between operator and main verb.
(1)always:-We always spend our holidays abroad. She will remain a happy memory with us always.
(2)never:-We have never been to Mainland China.
(3)seldom:-=v.rarely=She seldom reads books.
(4)hardly ever:-We could hardly ever believe our eyes and ears.
(5)often:-Lawyers often love to tell you about how good they are.
(6)rarely:-Rarely does one find such "kindness" in TW nowadays !
(7)sometimes:-Sometimes I stay late in the library after school.
(8)usually:-Women usually live longer than man ,who usually in bed by 10 pm.
(-)recently:-Recently deserted by her husband she's found it hard enough to make ends meet in the past.Then:-They looked intently at her, then at each other, then executed a smart face-book.Still:-It was a hard Ali-Mt. climb. Still,it was worth it.