Multiple choice Directions: Indentify the underlined adverb. I revised the chapter twice. Adverb of frequency Adverb of place Adverb of manner Adverb of degree Reveal answer Fill a bubble to check yourself A Correct answer Explanation The words 'once, twice, always, never, seldom, often, etc.,' that denote the frequency of an event/action are called adverbs of frequency.