The keyword term "patriots day bombing in boston" functions as a noun phrase. The main point, or the grammatical head of this phrase, is the word "bombing," which is a noun (specifically, a gerund derived from the verb "to bomb"). All other words in the phrase serve to modify this central noun, specifying the particular event being referenced.
A grammatical breakdown reveals how the components modify the head noun. "Bombing" identifies the core subject: the act itself. The words "Patriots Day" act as a compound adjectival modifier, specifying the timing and context of the event; it answers the question, "Which bombing?" The concluding element, "in Boston," is a prepositional phrase that functions adverbially, modifying "bombing" by providing the location. Together, these elements form a cohesive and specific noun phrase that names a singular, identifiable event.
Understanding that "bombing" is the main subject is crucial for article construction. It establishes that the central focus is the act of violence itself. The modifiers "Patriots Day" and "in Boston" provide the essential framework of time and place, but the narrative and analysis should consistently revolve around the core subject of the bombing. This grammatical structure guides the writer to treat the day and the city as contextual elements that frame the primary topic, rather than as the primary topics themselves.
