The Grammar Check for Sentences tool is an essential tool used to ensure that the sentences are error-free. This tool assists in identifying and rectifying any grammatical errors that may have been overlooked during the initial writing process. By using this tool, one can rest assured that their sentences are clear, concise, and grammatically correct. Whether it is checking for subject-verb agreement, punctuation errors, or sentence structure, this tool plays a crucial role in enhancing the overall coherence and readability of the writing.