This document discusses the different types of tenses, aspects, and voices used in English. It outlines the three main tenses - present, past and future. The four aspects are simple, continuous, perfect and perfect continuous. And the two voices are active and passive. It also provides examples of how these tenses are commonly taught in English textbooks, including the typical order and methods used. Charts, mind maps, drills and exercises are presented as standard ways of teaching grammar rules and forms.