1) Not as common in written language. 2) Inflected as an adjective. 3) In prescriptivist use, used only as direct object (accusative). 4) In prescriptivist use, used only as indirect object (dative).
5) Archaic. Nowadays used for formal, literary or poetic purposes, and in fixed expressions. 6) To differentiate from the singular gij, and in a similar vein to "you lot" or "you guys" in English, it is common to use nl ("you people") or nl ("you people") or one of their contracted variants, and their corresponding objects, possessives and reflexives, in the plural.