German B1 intermediate is a structured course for adults and professionals with limited time who want to move from A2 to B1 with practical German. Study 45 lessons with clear learning goals for a 60-80 hour learning path. Learn to communicate in daily and professional situations: work, travel, services, media, opinions, culture, plans and formal exchanges. Each lesson includes vocabulary, dialogues, reading texts, grammar, verb practice and exercises for speaking, listening, reading and writing. Audio and video are freely included after creating a free account. Scan the QR codes or use the digital course here: https://app.colanguage.com/german/syllabus/b1 Optional AI corrections and teacher guidance are available through the coLanguage app for feedback and conversation classes. Use it for self-study, private lessons or classroom teaching. The course follows the CEFR, is aligned with Goethe-Institut learning guidelines and helps prepare for the Goethe-Zertifikat B1. It is part of the coLanguage A1-C1 series for learners who want one consistent method. Trusted in European adult education, with academic review and cooperation with European universities.