This comes Search integral part of the series of research thatinvolved under the title (Al Ketab in light of the Department of Modern Linguistics), where she studied in the first part, the curriculum at Sibawayh In the second part, the audio level, a
nd the third morphological level, and in this section I will present a study on the grammar level, which includes rules of grammatical relations in the book Sibawayh (moral clues: the presumption of attribution, customization and specialization, objectivity, question, verbal clues: connectivity, as convergence, toning).
Then substitution rules [Description structural rules in the book Sibawayh: replacement, career symmetry. Conversion rules: introduction delays, deletion.
And come to the conclusion: The concept of the deep structure of the curriculum Sibawayh than it is in the modern descriptive approach on the one hand that the manufacturing rules of submission and delay, delete and increase, is linking the deep structure and surface structure, highlights our scientific method right at all as laid down in the foundations, and the year of the principles reflect the fact that the descriptive approach, which has a close connection, but to draw attention to benefit from his approach breathes life in Arabic linguistic theory.
