In the past 25 years EPs have been paid particular attention, thanks to the pioneering studies of Jacob Hoeksema (for instance, Hoeksema 1987). Presently, we already dispose of in-depth studies about the semantics of EPs (Moltmann 1995, Lappin 1996, Garcia Álvarez 2008). As for grammatical aspects of EPs, they came under focus more recently. A peculiar direction of research stimulated by the pa...