如何描述“频次”？How often?

具体频次

every second/ minute/ hour/ day/ week/ month/ season/ year/ decade/ century…

every two days/ every three weekends …

every other day/ every other weekend …

once/twice a day/ week …

Whenever I have time I like to read but I prefer not to read in the evening.

always

(very) often

usually

sometimes

occasionally

seldom

hardly ever

rarely

never