This document discusses tenses in the English language. It begins by defining what a tense is and explaining that it indicates the time of an action expressed by a verb. There are three main tenses: present, past, and future. The document then provides examples of sentences in each tense and displays a table outlining the various types of tenses such as present indefinite, past continuous, future perfect, etc. It concludes by asking readers to identify tenses in example sentences and write a short paragraph using correct tenses.