could you please tell me how to use and identify the position of an adverb in a sentence

Answer 1

http://www.chompchomp.com/terms/adverb.htm

Basically, adverbs tell how, where, when, to what extent.

Most end in -ly, but you can't depend on that. There are adverbs that don't end in -ly, as well as adjectives that do end in -ly!