The difference between to be verb and action verbs in the Present Simple tense may be a bit tricky for elementary classes. This swap and check worksheet aims to practice the difference between them.
In the worksheet, there are a and b versions of the same exercise model. You can divide your class into two and give them separately. Then, your students should swap them to check others' worksheets. It'll be great for increasing classroom interaction and your students will love checking their friends' worksheets. An answer key is also included.