Identify the type of Adverb. He goes to school regularly.

Let us explore the given options:• Adverb of frequency describes how often an action happens.- I have told you twice.- He frequently comes unprepared.- He goes to school regularly• Adverb of degree tells us about the intensity of something.-These mangoes are almost ripe.- He is good enough for my purpose • Adverb of manner tells us how something happens.- The child slept soundly.- I was agreeably disappointed. • Adverb of Affirmation is a word that declares that something is true or some equivalent expression or negative statement, judgment, or a logical proposition. - Surely you are mistaken.- He certainly went.[Source: High School Grammar & Composition, Wren & Martin]