Humboldt-Universität zu Berlin | Language Centre | Courses and Registration Courses and Registration Compact and Intensive Courses Booking of compact and intensive courses in the semester break (July to October 2021) Courses during the Semester Booking of summer semester courses (October 2021 to February 2022) Languages Offered Languages Language Levels and Course Acknowledgement Online placement tests and practice tests Language levels of the CEFR (in German) Certificates of Performance and Credit Points