This document provides information about teaching pronunciation to English language learners. It discusses the importance of teaching phonemic symbols, phonetic alphabets, and diphthongs. Specifically, it defines diphthongs as sounds produced from two vowels paired together, lists the 8 most common diphthongs in English with examples, and explains how diphthongs can appear in initial, medial, or final positions in words. It also discusses the schwa sound and how it is used in unstressed syllables and function words. Finally, it notes that teachers should be aware of pronunciation challenges faced by students from different language backgrounds but should stay loyal to their own pronunciation.