The subject can be a dependent pronoun which may be clitic-like: a=no [3SG.SBJ=NEG] (cf. Feature 17 "Special dependent personal pronouns").
Nominal predication can be expressed by clause-introducing da [it.be] which combines pronominal and copular function.
Source: Schumann 1783: 65
Source: Schumann 1783: 65
Source: van Dyk ca. 1765: 31
Source: Schumann 1781: 138
Source: Schumann 1783: 65
Source: Weygandt 1798: 87