If a language keeps comitative and instrumental formally distinct and if one of the two forms part of the mode of expression of predicative possession, then there is a 3:1 probability that it is the comitative that belongs to this pattern.
Standardized
When comitative and instrumental are kept formally distinct and if one of the two forms part of the mode of expression of predicative possession, there is a 3:1 probability that it is the comitative that belongs to this pattern.
E. g. Welsh (Celtic): A chan nad oedd mecanic na theithwyr gyda mi […][and since NEG be:PRET:3SG mechanic NEG passenger WITH 1SG]’And since I HAD neither a mechanic nor a passenger (WITH me) …’Here the original function of the preposition GYDA is the comitative, used as a part of the expression of predicative possession. (Cf. Stolz 2001: 343)2. Cf. ##1912-1914.
E. g. Welsh (Celtic): A chan nad oedd mecanic na theithwyr gyda mi […][and since NEG be:PRET:3SG mechanic NEG passenger WITH 1SG]’And since I HAD neither a mechanic nor a passenger (WITH me) …’Here the original function of the preposition GYDA is the comitative, used as a part of the expression of predicative possession. (Cf. Stolz 2001: 343)2. Cf. ##1912-1914.