The document provides rules for forming the present continuous tense in English. It explains that the present continuous tense is formed using the verb "to be" in the present tense along with the "-ing" form of the main verb. It gives examples of regular and irregular verbs in the "-ing" form. It also briefly discusses the negative and interrogative forms of the present continuous tense before providing a short exercise for the reader to practice forming sentences in the present continuous tense.