Grammar History in the Book of Sibawayh

The research aims to investigate the book of Sebwayeh to reveal the contemporary historical stage of the author and some of the previous stage, where there are no sources except the book reveal the scientific life in that era. The research also explores the book to reveal something of the author's method in collecting the scientific material of the book, Of the features of the author. The research has revealed a number of names of scholars asked by Siboyeh and heard from them and their faces, and the transfer of scientists who did not recognize them, and those conversations and meetings and speakers and questions is the specific from which he derived the article Siboyh,

The search revealed the opinions of the scholars and their doctrines mentioned in the book, like the book, as well as the other grammatical books, and the position of Seboyeh. It revealed through Seboyeh's statement about the death of Hebron before the appearance of the book and revealed the expressive secret in his mercy upon Yunus.