Grammar and mechanics form the foundation of effective communication in English. These rules govern how we structure sentences, use words, and convey meaning clearly. Understanding these concepts is crucial for students to express themselves accurately in writing and speech. This unit covers key grammatical concepts, parts of speech, sentence structure, punctuation rules, and common errors. It also explores effective proofreading techniques, teaching grammar in context, and strategies for assessment and feedback. Mastering these skills enables students to communicate with precision and confidence.