“…Additionally, not all transitive verbs (e.g., see, require and suppose) can introduce to-infinitive direct objects. According to Duffley & Joubert (1999), Duffley (2000Duffley ( , 2004Duffley ( , 2006, Duffley & Arseneau (2012), and Duffley & Fisher (2021), the infinitive to functions the same as the preposition to, denoting the direction or goal of the first verb. Mair (2002Mair ( , 2009 conducts corpus-based diachronic and synchronic research of the grammatical changes in the "V-to-V" construction, demonstrating that the "help to-infinitive" construction is grammaticalized and hence should be considered as one verb phrase rather than two, help being a semiauxiliary.…”