Two aspects of definite and indefinite noun phrases in Spanish grammar are discussed here: specificity, marked by the mood of restrictive relative clauses, and existential import, deriving from the linguistic environment. Differences between referential and attributive descriptions are explained. (CK)

The assumption that the active/passive relation is structural in nature and therefore best expressed by a transformation is debated. The relation can be captured in the lexicon without a passive transformation. An interpretive rule is proposed to handle the problem. Passives are shown as generated by phrase structure rules. (SC)