Is Holiday Song
The phrase "is holiday song" is a verb phrase that functions as a predicate. It is not a single part of speech but a grammatical construction composed of a verb and a noun phrase. The primary component is the verb "is," the third-person singular present indicative form of the linking verb "to be." This verb connects a subject to a subject complement. The subject complement here is the noun phrase "holiday song." Within this noun phrase, "song" is the head noun, and "holiday" is a noun functioning as an attributive adjective (or noun adjunct), which modifies "song" to specify its type or theme. ...