i was learn about informative writing, there are use five patten in to readers as clearly as possible. first, the process is tell to the series of steps in writing. Second, Cause and Effect is show a relationship between situation and its cause or effect. Third, Comparison and Contrast is write about two things and how they are similar and/or different. Fourth, Classification is analyze a concept by dividing it into understandable and simple parts so that you can see the relationships among the parts. Fifth, Definition is make the meaning of a key term or concept clear and facts.