Verbs need subjects, which can be nouns or pronouns.
"Do" and "have" are verbs; "not" is an adverb.
Verbs have their own part of speech.
Can and relax are verbs.
Verbs
Did and know are verbs. Not is an adverb.
Did and attend are verbs, and not is an adverb.
They are verbs.
Noun, verbs, pronoun, and adverbs.
Action words are verbs. Verbs don't describe another part of speech. The show the action, state of being, or occurrence in a sentence. Adverbs are words that describe (modify) verbs.
Some verbs indicate existence.
Verbs are the part of speech that have past, present, and future tenses.
Parts of speech are like nouns, verbs, adjectives, article, pronoun etc.