Adverb phrase consists of adverbs and all functioning as one unit in describing a verb, adjective, adverb: i danced quite surprisingly well, i waited for you in total silence.
Adverbials are words or phrases presented in a form of a phrase or clause that explain the meaning of the verb in a sentence: the players arrived here, please go easy on the eyes, the man with the mustache is a bit scary, as many as, no sooner—than, rather—than, as well as.
Participialphrase starts with present or past participle, verbs but function as noun modifier and placed immediately after noun, for example, 'knowing what I learned, you should not have asked'.
Verb phrase starts with verb and all cluster of words that follow, it is a complete verb phrase that functions as a predicate of the subject, for example, 'he sits alone'.
Adjectivephrase consists of adjective as the head of the phrase and all that modifies a noun or pronoun, for example, 'the highly suspicious man is convicted for the crime'.
Phrase structure rules: Tree Diagramming Rule 5 states that pred = aux + vp (advl-n), where aux is auxiliary verb, vp is verbial phrase, and adverbial is adverbial phrase.
Phrase structure rules: Tree Diagramming Rule 2 states that np = (det3) (ap2) n (prepp) = pro, where np is noun phrase, det is determiner, ap is adjective phrase, n is noun, and prepp is prepositional phrase.
Phrase structure rules: Tree Diagramming Rule 1 states that s = sm = subj + pred, where s is sentence, sm is sentence modifier, subj is subject, and pred is predicate.
Phrase structure rules: Tree Diagramming Rule 3 states that ap = (adv-n) adj (prepp), where adv is adverb, adj is adjective, and prepp is prepositional phrase.