This document is a worksheet about maintaining a healthy lifestyle. It provides tips for diet and exercise using modal verbs like "should" and "shouldn't". Some key points:
- The worksheet gives examples of using "should" and "shouldn't" to give positive and negative advice about health behaviors.
- Students are asked to write their own tips for a healthy diet and things one should and shouldn't do, like eating vegetables but avoiding fast food.
- Exercises provide sentences to complete using "should" and "shouldn't" with given words about healthy behaviors like exercising, sleeping, and avoiding smoking or junk food.