Traditional Grammar Deficiencies Persian Grammar Language by Khatib Rahbar (Descriptive Linguistics)

This is the first time that a comprehensive survey of Persian grammar evolution has been done. From the hundreds of Persian grammar books, this book was selected. These books were the pioneer and the founder of innovative Persian grammar theories in their time and were the most influential on their addressees and till now they are still used in educational academic institutes for research and in Persian grammar research in Iran. This Persian grammar book is Khatib-Rahbar. The research method in this study was based on descriptive and library and note-taking method. The traditional grammar changes were studied and its ability to provide a scientific inclusive, comprehensive and economic theory was analyzed. The findings in this article can be used to provide a scientific, inclusive and comprehensive grammar book, which can lead to simpler and less voluminous books that are userfriendly and can reach grammar with more simplicity and in a shorter period of time.