The keyword phrase "Patriot Day never forget" is a composite statement that combines a proper noun with an imperative verb phrase. It does not function as a single, unified part of speech. Instead, it operates as a complete, standalone exhortation or slogan, where the core grammatical element driving the theme is the imperative verb.
A grammatical analysis breaks the phrase into two distinct components. "Patriot Day" is a proper noun, designating the specific U.S. observance on September 11. The second component, "never forget," is an imperative verb phrase. The verb is "forget," presented in the imperative mood, which issues a direct command. This verb is modified by the adverb "never." The implied subject of this command is the audience (i.e., "[You] never forget").
For the purpose of an article, the main point is derived from the function of the imperative verb phrase. While the noun "Patriot Day" provides the specific subject, the command "never forget" dictates the article's purpose and emotional tone. The central theme is not merely the existence of the day but the active, perpetual duty of remembrance associated with it. Therefore, the verb's call to action is the critical element that defines the article's focus.
