Варианты приставочных глаголов несовершенного вида в русском языке

This study examines the correlation between form and meaning of Russian prefixed imperfective verbs ending in -at'/-jat' and -yvat'/-ivat' which are derived from one and the same root (-gotovit', podgotovljat'/podgotavlivat'). The following questions are discussed: Which factors determine the use of either the form -at' or the form in -yvat'? What is the role of the opposition determinate/indeterminate in verbs which do not express linear motion? What is the relation between prefix and suffix? (-xvalit', vosxvaljat', vyxvaljat'/vyxvalivat', naxvalivat').Is there a tendency for forms in -at' to be replaced by forms in -yvat' (prisposobljat' by prisposablivat') or vice versa (obsu DEGREESzivat' by obsu DEGREESzdat')? Besides present-day Russian, literary, journalistic and scientific publications from the 19th century have been examined in order to establish the dynamics of the linguistic development."