Grammatical relations – in particular the relation 'subject of' – and voice are of central concern to any theory of universal grammar. With respect to these phenomena the analysis of Tagalog (and the Philippine languages in general) has turned out to be particularly difficult and continues to be a matter of debate. What traditionally has been called passive voice in these languages […] appears to be so different from voice phenomena in the more familiar Indo-European languages that the term 'focus' was introduced in the late 1950s to underscore its 'exceptional' nature [...]. Furthermore, […] an inflationary use has been made of the term 'ergative' in the last decade; it can thus no longer be assumed that it has an unequivocal and specific ...