This document provides a summary of using past tenses in English, including: - The past simple is used to talk about finished actions in the past, both for regular and irregular verbs. Common irregular verbs are listed. - The past continuous describes an action that was in progress at a specific time in the past. - The past simple is used for completed actions, while the past continuous is used for ongoing actions happening simultaneously with other events in the past. Examples are given to illustrate using the past simple and past continuous appropriately.