Often is an adverb meaning 'many times on different occasions'. Like many other short adverbs, we use it in front position, in mid position (between the subject and the main verb, or after the modal verb or first auxiliary verb, or after be as a main verb) or in end position: I often see Christine when I'm in town.

What are the 10 prepositions?

A preposition usually precedes a noun or a pronoun. Here is a list of commonly used prepositions: above, across, against, along, among, around, at, before, behind, below, beneath, beside, between, by, down, from, in, into, near, of, off, on, to, toward, under, upon, with and within.

Is often an adverb?

OFTEN (adverb) definition and synonyms | Macmillan Dictionary.