Specificational and Predicative Clauses

In studies of copular clauses, the relation between specificational and predicative clauses has been a contentious issue. While most studies agree on the analysis of predicative clauses, specificational clauses have sparked much debate. A key concern is how specificational clauses with indefinite ‘variable’ NP (e.g. "A popular holiday go-to is Rome") compare to, and contrast with, other copular cl...