Here we will only be interested in one of these arguments -that of the whole, expressed prototypically by preposition iz 'of' as represented in phrases the majority of cases, most of the students.
in sentences with AdvD v bol'šinstve 'mostly, for the most part' this valence slot is filled, as a rule, by the subject of the dominating verb: (22) Oni byli arestovany i podverglis' v bol'šinstve svoem ssylke v Gvianu i na Sejšel'skie ostrova 'they were arrested and mostly exiled to Guiana or Seychelles' [= 'most of them were exiled…'] this is not the only possible syntactic role for this actant.