In modern Russian, use of the partitive case is often facultative.
2.
In languages that have a partitive case, the distinction is explicit and mandatory.
3.
The partitive case, developed from the ablative, was a later innovation by Finnic languages.
4.
This may be traced into a Proto-Uralic ablative ending, which is preserved in what is now the partitive case.
5.
However, some Russian mass nouns have developed a distinct partitive case, also referred to as the " second genitive case ".
6.
The common factor between aspectual and NP-related functions of partitive case is marking a verb phrase s ( VP ) unboundness.
7.
For example, in Finnish the partitive case suffix denotes an unbound event, while the accusative case suffix denotes a bounded event.
8.
The first of those particles expresses genitive case, while the second is the partitive case, which bear no resemblance of meaning at all either.
9.
Whereas the partitive object takes the partitive case, the total object can be marked with either accusative, and indicates aspectual completeness or closed quantity.
10.
Nouns may be suffixed with the markers for the aforementioned accusative case and partitive case, the genitive case, eight different locatives, and a few other cases.