英语中常见的表示频率的副词有哪些？

always

constantly

nearly always

almost always

usually

generally

normally

regularly

often

frequently

sometimes

periodically

occasionally

now and then

once in a while

rarely

seldom

infrequently

hardly ever

scarcely ever

almost never

Least frequent:

never

Every day        = Daily

Every week        =        Weekly

Ever fortnight (two weeks)        =        Fortnightly

Every month        =        Monthly

Every year        =        Yearly / Annually