Teacher guide book Level 1 from the practical curriculum Tried and True ESL Lessons - Time Saving Lesson Plans for Instructors. Fully developed adult ESL teacher lesson plans emphasize vocabulary, grammar, pronunciation, listening, and speaking activities for ESL adult students. A related biblical principle helps teachers share concepts of faith. These ESL lesson plans developed from 25 years of classroom teaching are a real time saver for the volunteer teacher in faith based ESL programs.