this case is often used to express unknown identities and irresultative actions. For example, in Finnish, it is found in the following circumstances, with the characteristic ending of -a or -ta:

* After numbers, in singular: "kolme taloa" -> "three houses" (cf. plural, where both are used, e.g. sadat kirjat "the hundreds of books", sata kirjaa "hundred books" as an irresultative object.)
* For atelic actions (possibly