PERT Practice Test 2026 – Complete Guide for Exam Prep

In the sentence "The dog barked loudly," the subject refers to the noun or pronoun that performs the action of the verb. In this case, "the dog" is the part of the sentence that identifies who is doing the barking. The verb "barked" describes the action being performed, while "loudly" serves as an adverb modifying how the barking is performed. Therefore, "the dog" is indeed the subject of the sentence, as it tells us who is performing the action of barking. This understanding of subjects is crucial for comprehending sentence structure in English.