SOME OBSERVATIONS ABOUT METHODOLOGICAL ASPECTS OF THE CONTRASTIVE STUDY OF THE VERBAL SYSTEMS OF SPANISH AND POLISH LANGUAGES (Spanish title - below)

(Title in Spanish - 'Algunas observaciones sobre los aspectos metodológicos del estudio contrastivo de los sistemas verbales del espanol y del polaco'). The aim of this paper is to contribute to the explanation of the terms such as 'tertium comparationis', grammatical category, grammatical form employed in contrastive grammar studies. The author presents the relation between the above mentioned notions and the description of the categories of tense and mood. Furthermore, the formal and functional differences between the a.m. categories in the Spanish and Polish languages are presented.