叹词“嗯”在不同语境的使用中有其不同声调,这种不同会显示出其各异的话语交际功能。本文通过探析不同声调与其相对应的交际功能之间的关系,旨在说明“嗯”的声调模式与表义功能之间存在着密切的内在关联性,声调模式在很大程度上受其表义功能制约,表义功能在一定程度上可通过不同声调模式来实现。 Interjection “Um ” has its own different tone in the use of different contexts, this difference will show its different discursive communicative function. By examining the relationship between different tones and their corresponding communicative functions, this paper attempts to show that there is a close intrinsic relationship between the tone patterns of "um Restrictive functional constraints, the meaning of the function to a certain extent through different tone mode to achieve.