Also,
every now and again;
every once in a while;
every so often. Occasionally, from time to time; also, periodically. For example,
Every now and then I long for a piece of chocolate, or
We take long walks every now and again, or
Every once in a while he'll call, or
Every so often she washes the car. The first term dates from the first half of the 1700s, the last from the mid-1900s. Also see
from time to time;
once in a while.