“…According to her, the loss of the infinitival morpheme triggered the rise of I as a means of binding an event argument in infinitival clauses, yielding ECM constructions, raising constructions, and for DP to VP constructions. However, it is entirely possible to account for the innovation of these constructions in terms of the grammaticalization of to from P to T (Jarad (1997) and Tanaka (2007)). Moreover, other cases of historical change van Gelderen and Osawa try to capture in terms of the rise of new functional categories are typical instances of grammaticalization, like the development of do, modal auxiliaries, and determiners.…”