Yes, it can be. It can modify adjectives or adverbs.
It can also be a noun, pronoun or adjective (meaning greater in number or volume).
It's an adverb
"More quickly" is an adverbial phrase. Quickly is an adverb.
It can be an adverb but is more often an adjective. The adverb is used primarily with the verb "stand."
No, it is not. Richer is a comparative adjective (more rich). The corresponding adverb is more richly.
No, you is a pronoun not and adverb as its is defining a noun Adverb adds more to a verb like he is walking *fast*
It's an adverb
An adverb phrase is two or more words that act as an adverb. It would be modified by an adverb or another adverb phrase.
An adverb phrase is two or more words that act as an adverb. It would be modified by an adverb or another adverb phrase.
"More quickly" is an adverbial phrase. Quickly is an adverb.
No. It is an adverb or more rarely an adjective. Sometimes is an adverb.
It can be an adverb but is more often an adjective. The adverb is used primarily with the verb "stand."
No, it is not. Richer is a comparative adjective (more rich). The corresponding adverb is more richly.
No, you is a pronoun not and adverb as its is defining a noun Adverb adds more to a verb like he is walking *fast*
"Original" is an adjective, not an adverb. The comparative form is "more original". The adverb is "originally" and the comparative of that would be "more originally".
No, it is an adjective. The related adverb would be "more quietly."
Two or more words that function together as an adverb
No. Prettier is a comparative adjective (more pretty). An adverb form is prettily / more prettily.