In our work, we proceed from the fact that syntactic structural schemes have a sign nature and their signified-syntactic concepts. Our article is based on the concept of the existence of typical propositions that have been fixed using syntactic constructions (positional and structural schemes of a simple sentence). The article defines the relationship between the syntactic concept and the sentence structure scheme in modern scientific research from the point of view of the linguocognitive approach; the definitions of the concepts "syntactic concept" and "sentence structure scheme" are presented; a linguocognitive approach to the study of sentence structure schemes through the prism of syntactic concepts is considered, the problems of interaction of syntax and semantics, as well as the principles of their interaction in the process of sentence analysis are considered. The article identifies the main syntactic schemes that represent the concept of the attribute of being an object, the basis of which is the verbs of being+object attribute.