Specificity of non-finite verb forms in modern Ukrainian language

The purpose of the article is to compare finite and non-finite verb forms; to characterize non-finite verbs in the modern Ukrainian language. The relevance of the study is due to the fact that in Ukrainian studies, non-finite forms have an ambiguous interpretation. In this morphological class of words, there are aspects that require philosophical justification. In addition, they illustrate the instability of verb boundaries, the emergence of verb forms into other parts of speech. Research methods. In the article as the main general scientific methods of analysis and synthesis are used, as well as linguistic methods – descriptive and observation methods. Conclusions. Non-finite forms are a numerous and diverse class of verb forms that have both common and specific features. All non-finite forms are united by: 1) they have general verb categories of aspect, transitivity-intransitivity and voice (moreover transitivity-intransitivity only influences the formation of participle forms); the category of voice is an important category for participle and impersonal forms in -no, -to, the last one always belong to the passive voice); 2) they have grammatical features of two parts of speech; 3) the dynamic feature is transformed into a static one. Specific features include: the infinitive has syntactic features of a verb and a noun, like a noun, it can be any member of a sentence; the participle and adverb can be considered according to the criteria of parts of speech, and creation of grammatical forms is an important aspect in this class of words; the impersonal form in –no. –to has constant grammatical (morphological) features. Participles and adverbs go beyond the verb