Abstract 1. Introduction 2. Specificational versus Predicational Pseudoclefts 3. Williams's (1983, 1994) Proposal 4. Number Agreement in Specificational Pseudoclefts: A Preliminary Observation 5. Number Agreement Revisited 5.1. The Data in the ICE-GB Corpus 5.2. Existential There-Constructions 6. The Residue Class of Specificational Psedoclefts a la Higgins 7. Summary and Conclusion References Appendix