The adverbs “Rarely and Seldom” are used with the present simple tense. They are not normally used in question form. When it is used with the verb “To be”, “Rarely” goes before the main verb. The same is true with “Seldom”. “Rarely and Seldom” are used to refer to almost never or 20 percent of the time. Other adverbs are used to form questions. “Rarely and Seldom” have the same meaning.
Q: Is she often at work? A: No, she is seldom at work!
Q: Do they always work on Sundays? A: No, they rarely work on Sundays.
Q: Does he always drink coffee in the afternoon? A: No, it’s seldom.
Other uses with “Rarely and Seldom”:
Q: Do you usually have lunch at 3? A: No, I rarely eat at that time!
Q: Are you usually sad? A: No, it’s seldom!
Q: Do you usually sing in the shower? Rarely or almost never!
Adverb: Words that modify or describe “verbs, adjectives and adverbs”.
Almost never: Not often or 20 percent of the time.
Sad: The opposite of happy and an adjective that describes feelings.