Sentence Structure Theory in Russian Grammar is the study of the organization and arrangement of words and phrases in a sentence. It explores how words and phrases are combined to form meaningful and grammatically correct sentences.

Russian sentences follow a more flexible structure compared to some other languages. In Russian, word order is not as fixed as in English. This allows for greater emphasis and flexibility in sentence structure.

The basic word order in Russian is subject-verb-object (SVO), but other word orders are also possible. For example, the subject can come after the verb, or the object can come before the subject. This flexibility is achieved through the use of various grammatical cases and word endings.

Additionally, Russian sentences often have complex structures with multiple clauses and subordinates. The use of conjunctions and prepositions helps to establish relationships between different parts of a sentence.

Sentence Structure Theory in Russian Grammar helps students understand how to construct and analyze sentences correctly. It provides a framework for understanding the rules and patterns that govern sentence formation in the Russian language.