This document outlines 11 patterns of writing development for senior high school: description, narration, comparison and contrast, definition, classification, cause and effect, analogy, question and answer, example, process analysis, and problem and solution. Each pattern is defined and tips are provided for how to effectively write using that pattern, such as selecting vivid details for description or maintaining consistent verb tense for narration. The goals are to present ideas clearly and engage the reader through logical organization and appropriate writing techniques.