This document outlines 9 common patterns of development used in writing: 1) Narration tells a story, 2) Classification divides a subject into types or categories, 3) Comparison and contrast explains how subjects are similar or different, 4) Cause and effect explains reasons for events and describes results, 5) Description portrays people, things, places or situations, 6) Persuasion tries to convince the reader of a point of view, 7) Example supports a topic using illustrations, 8) Definition explains what something is compared to other members of its class, and 9) Problem-solution identifies an issue and proposes solutions. The document was prepared by Mary Jane Manuel Tanuan.