“…In effect, the grammaticalization of this second event-locus establishes a second temporal continuum, dependent on the time of the speech event for its proper temporal interpretation. For detailed discussions on the development, morphological form and the imbricated forms of these relative tense verb forms consider Posthumus (1988Posthumus ( , 1999Posthumus ( , 2001Posthumus ( , 2006Posthumus ( , 2008.…”