This document outlines different English verb tenses including the past simple, past continuous, present perfect, and past perfect tenses. It explains their uses, structures, time expressions, and provides examples for each tense. The past simple is used for finished past actions, the past continuous for interrupted actions or actions occurring at a specific time in the past, the present perfect for actions connecting the past and present or unfinished actions, and the past perfect for actions completed before another past action.