The document discusses the simple past tense in English. It explains that the simple past is used to talk about actions that started and finished in the past, and provides examples like "Yesterday" and "Last year". It describes the affirmative structure of the simple past, gives examples of its use, and discusses how to form the past tense of regular and irregular verbs. Students are provided exercises to fill in blanks with the correct past tense verbs. The document also covers the negative form of the simple past and provides a final activity for students.