Interaction of the morphological forms of the kind and time in the sentence

In this article were studied cases of interaction time and aspect forms in sentence, which temporal interpretation depending on co-occurring time adverbials or discourse context. Thus, two suffixes of past tense - (e/a)ss which basic meaning is past but also perfect. Single suffix refers not only with past but with present perfect action. The suffix of non-past tense refers to present, future and past action because of it's flexible meaning.