Hengeveld, Kees (1992) Non-verbal Predication: Theory, Typology, Diachrony. Berlin/New York: Mouton de Gruyter, Ch. 4.
Hengeveld, Kees (1992) Parts of speech. In Michael Fortescue, Peter Harder and Lars Kristoffersen (eds.) Layered Structure and Reference in a Functional Perspective. Amsterdam/Philadelphia: John Benjamins, 29-55.
García Velasco, Daniel and Kees Hengeveld (1992) Do we need predicate frames? In Ricardo Mairal Usón and María Jesús Pérez Quintero (eds.) New Perspectives on Argument Structure in Functional Grammar. Berlin/New York: Mouton de Gruyter, 95-123.
Chris Butler Honorary Professor, Swansea University, UK Visiting Fellow, Centre for Translation Studies, University of Leeds, UK