An adverb is used to describe verbs, adjectives, or other adverbs.
No. The proper adjective Roman is not used as an adverb. There is a VERY rarely-used adverb, Romanly.
The word "as" can be used as an adverb.
Has is a form of the verb "to have" and is not used as an adverb.
Adverb
Yes it can be used as an adverb.
No. The adverb would be "scarily."
No, it is not an adverb. Flouncy is an adjective. There is a seldom-used adverb form "flouncily."
Adverbs are used to describe or modify a verb, an adjective, or another adverb.
No, the word "from" is a preposition. It cannot be used as an adverb.
No, it is an adjective. The adverb (seldom used) is foamily.
One adverb (rarely used) is agreeingly.An adverb more frequently used is agreeably, from the related adjective agreeable.
It can be an adverb but is more often an adjective. The adverb is used primarily with the verb "stand."