The document discusses how to form and use the present continuous tense in English grammar. It explains that the present continuous tense is formed with the subject plus the "-ing" form of the main verb and the present form of "to be". It then provides examples of how to form statements, questions, and negatives in the present continuous tense. Finally, it discusses some common uses of the present continuous tense, including to describe ongoing or repeated actions, future plans, and temporary situations.