It definitely can.
Yes, but both adjectives and adverbs can do that, and are called subject complements. Adjectives that follow a linking verb modify the subject, and are called predicate adjectives.Adverb example:"It is here." The adverb here tells where it is."It is very hard." The adverb, though following the verb, modifies the adjective, hard.
When "well" is a verb at all, it is not a linking verb but rather an intransitive one, often followed by "up". Example: "At a spring, water wells up spontaneously from the earth." "Well" is more often used as a noun, adjective, or adverb than as a verb.
No, the word 'suddenly' is not a verb; suddenly is an adverb, a word that modifies a verb (suddenly thought, suddenly appeared).A linking verb acts somewhat like an equals sign, the object is a form of the subject (Mary is my sister. Mary=sister); or the subject becomes the object (Mary felt cold. Mary->cold). The adverb 'suddenly' can modify the linking verb: Mary suddenly felt cold.
No, "seriously" is an adverb, not a verb. It is used to modify a verb, adjective, or another adverb in a sentence.
No, "once" is not a linking verb. It is an adverb that can be used to indicate one time or former times.
An adverb can modify or describe a verb.
Yes. An adverb can modify a verb, an adjective or another adverb.
Yes, but both adjectives and adverbs can do that, and are called subject complements. Adjectives that follow a linking verb modify the subject, and are called predicate adjectives.Adverb example:"It is here." The adverb here tells where it is."It is very hard." The adverb, though following the verb, modifies the adjective, hard.
When "well" is a verb at all, it is not a linking verb but rather an intransitive one, often followed by "up". Example: "At a spring, water wells up spontaneously from the earth." "Well" is more often used as a noun, adjective, or adverb than as a verb.
Yes, an adverb modifies a verb.
No. An adverb is a modifier that can modify a verb (or an adjective, or another adverb).
Adverb phrases modify the verb, adjective, or adverb of the sentence.
An adverb modifies the meaning of a verb or another adverb. An example of modifying a verb is, "quickly jumped." Quickly modifies the verb, jumped. If you say, "very quickly jumped," you are using very to modify the adverb quickly.
No. It is a verb.
You could modify a phrasal verb (more than one word), or modify an entire clause with an adverb such as "fortunately."
Alone is not an adverb. An adverb modifies a verb. Alone does not modify a verb (is not an adverb).
noun, verb, or another adverb