1) The document discusses the simple past tense in English, which is used to narrate events that occurred at a specific time in the past.
2) It identifies the characteristics of the simple past tense, including that it indicates a completed action in the past and uses past tense verbs.
3) The document explains the differences between regular and irregular past tense verbs, and provides examples of affirmative, negative, and interrogative sentences in the simple past tense.