This document discusses the simple past tense in English. It describes five uses of the simple past: 1) to express a completed action at a specific time in the past, 2) to list a series of completed actions, 3) to describe an action that occurred for a duration of time in the past, 4) to describe past habits, and 5) to describe past facts or generalizations. Examples are provided to illustrate each use of the simple past tense. The simple past is formed using regular verbs with "-ed" and irregular verb forms.