In A Historical Grammar of Hungarian (Benko et al. 1991; 1992), the chapters on non-finite verb forms (infinitives and participles) were written by the present author. In that book, conciseness, brevity and canonical style were required; due to lack of space, it was impossible for authors to give a detailed discussion of the points made and to motivate their decisions. In this short paper, a number of statements and formulations given there will be clarified; furthermore, an overall picture will be given about the historical system of non-finite verb forms in Hungarian
