The keyword term "september 11th important events" is a noun phrase. In this construction, the central word, or head, is the plural noun "events." The other words in the phrase function as modifiers that describe or specify this head noun, creating a single grammatical unit that refers to a specific set of occurrences.
A detailed grammatical analysis of the phrase reveals its components. The core is "events," a common noun identifying the subject. This noun is modified by the adjective "important," which qualifies the significance of the events. The term "september 11th" acts as a proper adjective or a noun adjunct, specifying the particular date associated with these events. It answers the question "which events?" rather than functioning as an adverbial phrase answering "when?" Thus, the entire collection of words works together to name a specific concept.
Understanding this term as a noun phrase is crucial for article construction because it dictates its grammatical function within sentences. It can serve as the subject ("September 11th important events shaped modern foreign policy."), a direct object ("The documentary examines September 11th important events."), or the object of a preposition ("This course focuses on the timeline of September 11th important events."). This classification ensures the phrase is used correctly and coherently as the central topic in headings, titles, and topic sentences throughout the article.
