The basic point in nominal sentences is that the word that is placed as the beginning of the sentence must be knowledgeable, and since the purpose of informing the subject is benefit in the word, if the beginning is knowledgeable, the news from it will be correct, because it has benefit, but if Let our beginners be nakrah, the news about it is not correct unless it is useful to inform about it, in which case, as stated, it is permissible to nakrah first, with a little reflection on the books of syntax scholars regarding musugat, we will realize this point first. The number of mosavvaghats has not been given a specific number because some of these mosavvaghats overlap, in this article we have tried to refer to a number of mosavvaghats first, and our effort has been to address the main mosavvaghats and Mentioning overlapping cases has been avoided.