Yes, one definitely is. The adverb "how" modifies "long" which could be an adjective or an adverb.
E.g. How long is the movie? = The movie is long / the movie is very long / the movie is how long.
An adverb is a word which modifies a verb, such as: She haltingly spoke of her experience. In this sentence, the word "haltingly" is the adverb. In the sentence you provided, "How" is not an adverb.
The word definitely is an adverb. It means without any question.
Adverb of manner (answers the question how?) Adverb of place (answers the question where?) Adverb of time (answers the question when?) Adverb of frequency (answers the question how often?) Adverb of degree (intensifiers) [Don't know if this is right] Adverb of negation (no) Adverb of affirmation (yes) Adverb of uncertainly (maybe/perhaps) Adverb of reason (because....) Adverb of duration (answers the question how long??)
Neatly is ADVERB. It answers the question "HOW".
The word 'long' is both an adjective and an adverb. The adjective 'long' describes a noun; The adverb long modifies a verb, an adjective or another adverb. Examples:adjective: This is the long answer to your question.adverb: The dog ran after the ball.adverb: We came in a long black limo.adverb:They came long after the rest of the family.The word 'long is also a noun, a word for a clothing size for tall people.
an adverb is an ly word and can be used at the start of a question like slowly or beautifuly
The word extremely is an adverb. It is really an adverb of quality or manner. Adverbs of quality or manner always answer the question 'how'.
long
longly
The word where is the adverb. It asks, rather than tells, the location (adverb of place).This is clearer in the question "Have you been here?"
"Always" is an adverb. It answers the question "when."
No, it is not an adverb. Questions is the plural noun for question, which can also be a verb. The related adjectives are questioning and questionable, which has the adverb form questionably.