English specificational and predicative clauses: A functional-cognitive account of their representational and textual organisation KU Leuven
Specificational clauses set up a pragmatically presupposed variable – i.e. that is presumed to be known or to be taken for granted by the hearer (Lambrecht 1994: 52) –, e.g. the best option in (1a), and assign a specific value to it, e.g. the Hotel Boomerang.
(1a) Where to stay: the Parador El Hierro … has doubles from £80 a night, B&B. Or in Valverde, the best option [variable] is *the Hotel Boomerang* [value]. (WB)
The role ...