The adverb is "gently". An adverb modifies a verb. "Planted", is the verb in this sentence.
No, it's a noun.
Correctly is the adverb in that sentence.
That sentence does not have an adverb.
The word mustn't is a contraction, made up of the auxiliary verb 'must' and the adverb 'not' used to modify the verb.Example sentence: You mustn't disturb grandma while she's napping.
Subject of the sentence Verb of the sentence Adverb of Manner Adverb of Place Adverb of Frequency Adverb of time Purpose
"Is" is the verb. There is no adverb in the question.
Correctly is the adverb in that sentence.
The adverb in your sentence is 'thereafter'.
The adverb of the sentence is quickly.
The adverb in the sentence is "very," as it modifies the adverb "quietly."
The adverb in the sentence is "seldom," as it describes the frequency with which he did poorly on tests.
The adverb in that sentence is downstairs. It's an adverb of place and tells where you ran.