Many genres invite the use of classification, including concept explanations, proposals, evaluations, and speculations about causes. If classifying ideas, information, or experience will help your readers understand a concept or accept a proposal or an evaluation, use these sentence strategies to begin putting your ideas into words. You will probably want to rework these sentences to make them your own, but they may give you a jumping-off point for articulating your thoughts.
Use Rhetorical Questions to Establish the Categories
Use Comparison or Contrast to Establish the Categories
Use Causes and Effects as Categories
Use Reasons as Categories
List the Categories
Use Cues to Forecast Categories