Aspect is a phenomenon that is studied both in linguistics and in philosophy. In the past, this issue was related to the syntactic category "facet" until linguists distinguished between semantic facet and grammatical facet and separated facet from facet. The object is limited to the verb of the sentence, but the object is examined in three discourse positions, sentence and sub-sentence, and in a special language. To check the validity, we need a general structure that has three parts1. Examining the contextual aspect (discourse); An aspect that is neither lexical nor grammatical. 2. sub-sentential form; An aspect that is lexicalized only in sentence elements such as adjectives. 3. sentence form; An aspect that is, for example, in a grammatical verb. On the other hand, aspect is a language element that can be addressed from the perspective of phonology, syntax, construction, semantics, and usage; And each of these points of view will present different variations for aspect, and in Persian language, it has been examined only from two perspectives, syntactic and semantic, and the rest of its aspects have not been examined. Therefore , the authors believe that the aspect is divided into two dimensions: the semantic dimension and the grammatical dimension. Therefore, we must emphasize two important points in the discussion of aspect:one is to examine idiom in a special language and the second is to examine aspect at discourse, sentence and sub-sentence levels: It means that we should not impose the rules of one language on another language,