Offering a solid, research-based approach along with sound practical advice, this book equips you with the skills you need to analyse your own contexts and develop your practice, whether through formal study or alone. Badger explores teaching English as a problem-solving activity addressing three fundamental questions: what aspect of language do students needs to learn, how do they learn it, and how can teachers support this learning. This new edition includes updated references, a chapter on pragmatics, coverage of concepts such as translanguaging, CLIL, EMI, English as a lingua franca and sections on digital learning. Topics covered include: Psychological and social learning processes TESOL teaching methods and approaches Lesson planning and classroom management English teacher professional development The book also includes chapter summaries, activities for students and key readings recommendations, and online resources such as video case studies, additional exercises and multiple choice quizzes to consolidate learning. The book is ideal for both trainee and practicing teachers who want to develop their practice.