As a special phenomenon of tonal change in Putonghua ( Mandarin), the light tone is very active and prominent in spoken language. Analysis of the Modification of the Falling-rising Tone and the Atonicity in the Common spoken Chinese 轻声作为普通话语流音变中一种特殊的音变现象,在人们的口语表达中显得异常活跃和突出。普通话上声变调与轻声分析