EN
The author examines auxiliarity on the level of lexical units. He views it like a counterpart to the language units with full lexical meaning and it is placed among the other phenomena of the asymmetrical arrangement of formal and semantic part of language units and signs. The author views auxiliarity as a normal part of the natural language and he sees its place in the sphere of asemantic or empty phenomena in language and on the other hand in the field of zero elements in language.