"De（的）" can be used as affixes in Wu’an dialect, dynamic auxiliary and structural particle. When used as affixes, it has developed a very local features Wu’an dialect "de（的）" suffix words; When used as a dynamic particle, mandarin in the "zhe（着）" in the presence of nuances and usage; When used as a structural particle, it’s often omitted or weakened pronunciation is "ei（诶）".