The keyword term functions as a noun phrase. In this construction, the word "couple" serves as the head noun, which is the core component of the phrase. The preceding words, "patriots day movie," act collectively as an adjectival modifier, specifying the particular couple being referenced.
A grammatical breakdown shows a series of noun adjuncts, where nouns modify other nouns. "Patriots Day," a proper noun, modifies "movie" to specify which film is being discussed. Subsequently, the compound "Patriots Day movie" modifies the head noun "couple." This layered modification creates a highly specific term, identifying a duo associated with the film about the historical event.
Understanding this term as a noun phrase is critical for its practical application in writing. It can function as a complete subject or object within a sentence. For example, it can be used as the subject ("The Patriots Day movie couple is portrayed by...") or the object ("The article analyzes the Patriots Day movie couple."). This grammatical classification dictates how the key term must be integrated into sentences to ensure syntactical correctness and clarity for the article.