The document describes the present progressive tense, also known as the present continuous tense. It is used to describe temporary actions or ongoing activities happening now or at the moment. The structure uses a conjugated form of be + the verb with an -ing ending. Examples are provided of affirmative, negative, and interrogative sentences using common verbs like walk, play, and eat in the present progressive tense. Exercises are included asking the reader to fill in verbs in the present progressive form.