to describe the functions of clause level constituents is purposely conservative for ease of understanding (closer to traditional grammatical terminology) and to preserve a clearer link between clause level terminology and phrase and word level terminology. Verbs have a Verbal Function, except for relational "to be" verbs, which function as Verbal Copula. Nominals can have three basic functions in relation to the verb: Subject, Object, and Indirect Object. Nominals can also function as a Predicate