This document provides guidance on lesson planning for ESL teachers. It discusses the purpose of lesson planning, which is to carefully structure lessons and allow flexibility. An example pre-lesson plan template is given to outline topics, objectives, activities and timing. The document stresses preparing grammar, vocabulary and materials before class. It gives an example lesson plan on active and passive voice, including introducing topics, grouping activities, and feedback. Lesson planning is presented as an essential skill for organizing and pacing an effective English lesson.