Criteria

Table 10: Relative degree of grammaticalization of case relators
grammaticalized

criterion       \
less:
like the major-category source
more:
like an affix
Scope: complexity of complement
case relator takes coordinative complement yes no: case relator is repeated with each coordinate
case relator takes clausal complement yes no
case relator is copied on subconstituents of NP no: there is one occurrence per NP yes
Bondedness: tightness of bond between case relator and complement
case relator governs case yes no: complement is bare NP
case relator syntagma can be split by intervening material yes no
complement can be left-dislocated and taken up by intercalated resumptive yes no
case relators can be coordinated while sharing their complement yes no: complement is repeated for each case relator
Syntagmatic variability:
position of case relator vis-à-vis complement varies yes no