1 How can it be argued that proper nouns and plural count nouns are also DPs?
2 What evidence is available to support the assumption that pronouns are determiners heading a DP?
3 How can the complementation of a D head be characterised?
4 Given the assumption that the ís morpheme occupies the D head position, what can appear as [Spec, DP]?
5 What may function as adjuncts in a DP?