once in a while
all the time
every third day
on the first of every
off and on
every month
once in a blue moon
a few times
all day
every week
once a year
every two months
every Monday
four times
several times
three times a week
not often
at times
four times an hour
most times
every-time
now and then
hardly ever
every hour
many times
three times
nearly always
quite often
almost never
twice a month
every year
every night
every now and then
almost always
very often
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