The document discusses the present progressive tense. It notes that the present progressive is used for actions happening at the moment of speaking. It provides the form of the tense as "verb to be (am, are, is) + (infinitive + ing)" and gives some signal words used with it like "now", "at the moment", "look", "listen". It then provides some example sentences using the present progressive to describe actions happening currently. It concludes with some exercises for the reader to practice forming sentences in the present progressive tense.