Sentences such as wo lai bang ni de mang (我来帮你的忙, ‘I will help you out.’) are categorized by Zhu Dexi (朱德熙, Zhu 1982) as Type CQuasi-attributive quasi-attributivesAttributive. However, the earliest research on this topic was conducted by Lü Shuxiang, who identifies the usage of ni de as a possessive marker for the patientPatient role.