No it cannot. The word requires is a verb. The closest adverb form seems to be "requisitely."
Unlikely, though it ends in -LY, is an adjective, not an adverb. (*while "likely" can be either an adjective or adverb, e.g. He will likely join us, the use of "unlikely" as an adverb requires constructions that are virtually never seen in modern English)
Undulating is a verb and requires an an adverb, not an adjective, which describes a noun: Slowly undulating, sensuously undulating.
The adverb form of "challenging" is "challengingly." It describes an action performed in a way that poses difficulty or requires effort. For example, one might say, "She approached the task challengingly, pushing herself to overcome the obstacles."
No. "Adventurous" is an adjective and adjectives apply to nouns. "Sheila (noun) is quite adventurous (adjective)". Live, in this context, is a verb, and a verb requires an adverb: "Live (verb) adventurously (adverb). This is the correct form.
1. Adverb Of Time2. Adverb Of Place3. Adverb Of Manner4. Adverb Of Degree of Quantity5. Adverb Of Frequency6. Interrogative Adverb7. Relative Adverb
"Ever" is an adverb.
Softly is an adverb.
It can be considered one because it connects independent clauses. But there is some question whether (as an adverb) it still requires a semi-colon rather than a comma.
No. Some prepositions similar to upon (up, on, in) can be used alone as adverbs. But like among, the word uponneeds to specify "upon what" and therefore requires an object.
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.