Ever since Kiparsky & Kiparsky's (1970) seminal paper, it has been recognized that the English complementation system makes a distinction between factive complements (e.g. He doesn't like John's nomination for the award/that John was nominated for the award.) and reported complements (e.g. He said ?John's nomination for the award/He said that John was nominated for the award.) However, the semantico-functional motivation for this distinction remains unclear. It has been proposed that factive complements are (i) presupposed true (in the world, or by the speaker), (ii) presumed given in the common ground, or (iii) modally unqualified, i.e. representing a default commitment of epistemic certainty as expressed by the indicative. In this projec...