Final answer:
Understanding functional categories in grammar is crucial for writers and language learners.
Explanation:
Functional categories in grammar are essential for understanding how language works. These categories, such as tense and complementizers, provide the framework for sentence structure and syntax.
Learning about these grammatical functions is crucial for writers as it enhances their ability to effectively communicate. Understanding parts of speech and their functions helps in analyzing sentences and constructing coherent pieces of writing.
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