Four Corners is an integrated four-skill course for adults and young adults who want to use English to communicate effectively in daily life. Easy and enjoyable to teach. This book features a clear presentation of vocabulary, a thorough grammar syllabus, and an everyday functional language lesson in every unit together with systemic practice of all four skills.

If you have passed the secondary level and want to learn more advanced words, grammar and conversations, Four Corners 4 is a safe choice for you. Higher level words and more advanced grammars are among the contents of this book. The number of courses in this level is the same as the previous levels of 12 chapters that are taught in four separate semesters. Each semester includes 18 sessions