No, it's an adjective.
An adverb form would be smartly.
smartly smartly, as in The young soldier saluted smartly.
Smarter.First find the base of smartly: smart. Now imagine the word for 'more smart.' Smarter. If you wanted to continue that pattern, and find the superlative, you would imagine the word for 'most smart,' smartest.(If you want to make a comparative adverb, you simply say more adverb; for example, more smartly.)
No, it is not an adverb. Truthful is an adjective, and the adverb form is "truthfully."
adverb is word that modified a verb,adjective.or other 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.
Yes. The adverb "very" modifies the adjective "smart".
No, the sentence "Jacob was a very smart boy" does not have an adverb that modifies a verb. It contains an adjective "smart" that describes the noun "boy."
Yes, but only as part of the adverb pair "as...as." For example: He is not as smart as you, where the truncated clause is "as you are smart." Otherwise, it is only part of a clause (e.g. I left as you arrived).
smartly smartly, as in The young soldier saluted smartly.
Smarter.First find the base of smartly: smart. Now imagine the word for 'more smart.' Smarter. If you wanted to continue that pattern, and find the superlative, you would imagine the word for 'most smart,' smartest.(If you want to make a comparative adverb, you simply say more adverb; for example, more smartly.)
No. It can also be a pronoun, conjunction, or adverb (e.g. he was that smart).
The adverbial form for fashionable is fashionably.
Yes, an adjective only, not a verb nor an adverb
An adverb can modify another adverb. Example: He works really hard. Really is the adverb modifying the adverb hard.Adverbs also modify verbs and adjectives.She smiled beautifully (adverb modifying a verb).You are quite smart (adverb modifying an adjective).
Really is an adverb. It can mean "actually" or colloquially extremely, strongly, or exceptionally (really smart, really bad, really interesting).
"Jacob was a very smart boy" is a complete sentence. It doesn't modify anything. Verbs are modified by adverbs, but that sentence doesn't contain an adverb modifying a verb. Adverbs also modify adjectives and other adverbs. That sentence does contain an adverb (very) that modifies an adjective (smart).
No, "sorry" is an adjective, which is a word that describes a noun (fuzzy, grumpy, tired, smart, etc.). An adverb is a word ending in -ly that describes the verb, as in "the rain pounded incessantly on my window."