Information and workbook on English grammar for learners who already have basic knowledge of the English language and wish to expand and deepen their understanding. Particularly suitable for trainees in commercial and technical professions, as well as students in full-time vocational schools with a technical focus or technical colleges. (GER B1, B2) The book consists of 12 chapters. The order of the units is based on the requirements of the subject Technical English. The chapters can be worked on in any order. Each chapter begins with detailed and clearly presented information on grammatical structure. This is followed by a variety of different exercises with a progression in difficulty. For the second edition, the information on grammatical structure has been improved and supplemented.