This document defines and provides examples of various verb tenses in English categorized by time frame (present, past, future) and aspect (simple, continuous, perfect, perfect continuous). It begins with an introduction to verb tenses and their relation to time. Then it provides classifications, definitions, rules, and examples of how to use each tense like the present indefinite tense, past perfect continuous tense, and future perfect tense. Block diagrams and lists are included to clearly outline the different verb tense types and their usage.