The linguist does not usually describe grammatical structures of stylized sentences because there are none well-formed on the surface. He could use rules for organizational and relational features of the grammar which affect the last lines of generation to produce deviant but acceptable linguistic forms, thereby increasing the predictive power of…

A data-based study done in Philadelphia examined the constraints on relative pronoun deletion and looked for a possible correlation to social stratification or stylistic variation. Restrictive relative clauses only are examined. Constraints appear to be due to performance factors related to sentence processing. (SCC)