The 19 lessons for developing communication in English Speaking for Thai High school students in Thailand as follows: Lesson 1 Locations and directions Lesson 2 Stories and events Lesson 3 Causes and results Lesson 4 Possibility Lesson 5 Things and productions Lesson 6 Fashion and technology Lesson 7 Future career Lesson 8 Complaint Lesson 9 Travel Lesson 10 Help me! Lesson 11 Jobs Lesson 12 Problem Lesson 13 Festival Lesson 14 Content and compound words Lesson 15 Vowel sounds Lesson 16 Consonant and consonant cluster Lesson 17 Unstressed and stressed Lesson 18 Risings and falling intonation Lesson 19 Exclamations