Perlmutter (1972) proposes that all rules which move constituents over variables be considered copying rules. He further argues that if there is a rule which deletes the shadow pronoun, i.e., the pronoun left behind by the copying rule, this Shadow Deletion rule will be sensitive to island constraints.

May I take your order, please?

Set in a shallow, amphitheaterlike depression, once a gravel pit supplying material for the Thruway, it covers 11 acres.

Spenser has an intimate feel for Vergilian intratextuality, the mirrorings and repetitions that create patterns of likeness and difference, reaching over the whole text and linking images, motifs, and persons.