An article “The sentence deep structure and its semantic research principles in N.Chomsky’s Syntactic Structures” (in English) by Valida Karimova (a PhD candidate), Vice-dean of the School of Humanities and Social Sciences of Khazar University, co-authored with Prof. Fakhraddin Veysalli, Head of the Chair of General Linguistics of Azerbaijan University of Languages, was published in “Philology” journal (ISSN 2414-4452), number 6, 2018, an international scientific journal published in Volgograd city, the Russian Federation. The article mainly deals with the sentence deep structure as the main form of a sentence, methods of identification of specific characteristics of the deep structure, the role of the deep structure in language learning, and auxiliary inversion.