Since the unfilled D can assign Genitive Case to its specifier, the genitive-marked NP in the POSS-ING construction can pass the Case Filter.

• 由于未被填入的D(unfilled D)具有向其指示语(specifier)授予所有格的能力，从而使POSS-ING结构中的领属语的所有格得到核准。