The forms of dative displacement: from Basauri to Itelmen

In most dialects of Basque, an agreeing dative controls a dedicated suffix reflecting its person and number, henceforth canonically dative agreement. It does not interact with the morphemes controlled by the absolutive in clauses without a dative, or canonically absolutive agreement, which remain under the control of the absolutive when a dative is present:1 the “person” prefix and an affix indicating plurality of diverse shapes and positions, the pluralizer.2 Thus, using underlining to undicate target-controller relationships: