This textbook is the main course of a set of textbooks, the task of which is to familiarize students with the necessary lexical and grammatical minimum in an approximate amount of 800 dictionary units. The lexical and grammatical material of the lessons is organized according to the functional and semantic feature: lessons 1-4 are devoted to the description of the subject, 5-6 - to the description of functions, lessons 7-9 - to the description of processes; The 10th lesson is final, generalizing.