Multimodal text study is one of the foci of present discourse studies .This paper analyzes the attributes of the mode which is one basic concept for multimodal studies .A mode has social and cultural attributes .It originates out of social needs , and its use in communication is influenced by social factors .Besides, a mode also has the fol-lowing attributes:it has a material carrier , can convey meanings and possesses a grammar .The analysis in this pa-per can contribute to the development of multimodal discourse studies .%多模态语篇研究是当前语篇研究的一个热点，模态是多模态研究中的一个基础性概念，本文对模态的属性进行了分析。模态具有社会文化属性，其产生源于一定的社会需求，其在交际中的使用受社会文化因素的影响。另外模态还具有物质载体、表意功能和语法等属性。本文的分析有助于推动多模态语篇研究的进展。
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