This document provides instruction on using the simple past tense in English. It discusses five main uses of the simple past: 1) to express completed actions at a specific past time, 2) to list a series of completed past actions, 3) to describe durations that started and finished in the past, 4) to describe past habits, and 5) to describe past facts or generalizations. It also notes that when-clauses, which refer to events that happened first, should come before the main clause. Finally, it discusses adverb placement with the simple past.