动词自动态和使动态声母浊清交替形态变化是彝语的重要语法特征之一。在这基础上各地彝语又大致可分为11种不同的变化形式。从古藏文一部分自动词第一辅音为?的复辅音声母来看,古彝语的某历史阶段自动词可能有过声母为n-类似的音素,后来这样的音素脱落,声母固定为浊音。使动词可能有过声母为s-以及其他类似的音素,后来这样的音素脱落,声母固定为清音。 The dynamic state of verbs and the alternation of voiced-clear forms of dynamic initials are one of the important grammatical features of Yi language. On this basis, Yi language can be broadly divided into 11 kinds of different forms of change. From the ancient Chinese part of the first consonant of the automatic verb consonant? The point of view, ancient Yi Yi history of a word may have initials for the n-similar phonemes, and later such phonemes off, the initial consonant fixed as voiced. The verb may have initials s- and other similar phonemes, and later such phonemes fall off, with the initial consonant fixed as unvoiced.