The keyword phrase "september 11th 23 years later" functions grammatically as a noun phrase. Its primary role is to name a specific concept, event, or period in time. The core of the phrase is the proper noun "September 11th," which is modified by the subsequent adverbial phrase to pinpoint a particular anniversary. As a noun phrase, it serves as the subject or topic that the article will define, describe, and analyze.
A detailed grammatical breakdown reveals two main components. The first, "September 11th," is a proper noun identifying a specific historical date and the events associated with it. The second, "23 years later," is an adverbial phrase of time that modifies the proper noun. This adverbial phrase itself contains a noun ("years"), a number ("23"), and an adverb ("later"). When combined, the modifying phrase specifies the temporal context of the core noun, creating a single, cohesive unit that names a distinct subject for discussion.
Identifying the keyword as a noun phrase is crucial because it establishes the article's central focus. The article's main point will be to explore the state, meaning, and significance of this specific moment in time. The objective is not to describe an action (verb) or a quality (adjective), but to analyze a subjectthe legacy, memory, and impact of the September 11th attacks as they exist and are understood at this 23-year milestone. This grammatical classification directs the article toward an expository or analytical approach, focusing on the "what" and "why" of the topic.
