This document provides a lesson on pronunciation techniques and vowel digraphs and diphthongs for English language learners. It begins with an introduction to pronunciation and its importance for communication. It then covers the vowel digraphs "ai" and "ay" which make the long 'a' sound in words like rain and day. The document provides examples of words containing these digraphs. It also includes a short conversation about returning overdue books to the library and vocabulary, sentences, definitions and parts of speech related to the library theme. Exercises are included to practice the material.