Which term does not express a complete thought and cannot stand alone as a sentence?

• A. Subordinate clause
• B. Independent clause
• C. Predicate nominative
• D. Direct object

Answer: (A)

Subordinate clause expresses an incomplete thought and cannot stand alone because it needs a main clause to complete the sentence. It often begins with words like because, when, although, or that, and it leaves the reader waiting for the rest of the idea. For example, “Because it rained” isn’t a complete sentence by itself; when paired with an independent clause like “the game was canceled,” the thought becomes complete: “Because it rained, the game was canceled.” In contrast, an independent clause has a subject and a predicate and can stand alone as a complete sentence. A predicate nominative and a direct object are parts of sentence structure rather than a clause that can stand alone, so they don’t fit the idea of a clause that cannot express a complete thought. The term that best fits the described idea is subordinate clause.