Identify the grammatically correct sentence.

The sentence "The boys are going to the park" is grammatically correct because it adheres to the rules of subject-verb agreement and proper article usage.

In this sentence, "the boys" is a plural subject, which matches with the plural verb "are." This ensures that the subject and verb agree in number. Additionally, "the park" specifies a singular noun that is properly preceded by the definite article "the," indicating that it refers to a particular park known to both the speaker and the listener. This specificity is important for clarity.

The structure of the sentence follows standard English syntax, providing a clear and complete thought. It effectively conveys the action of a group of boys who are in the process of going to the park.

Understanding these elements helps reinforce the principles of constructing grammatically correct sentences in English.