“…Andersen and Shirai (1994) and Bardovi-Harlig (1998 pioneered the study of the interaction of grounding and aspect, and works such as Rosi (2009), Salaberry (2011 and Vraciu (2012) have continued it within the framework of the AH and DH, but as of today we do not yet have a comprehensive explanatory theory of how the hypotheses interact or may be subsumed one within the other. More specifically, future studies could focus on the following three issues.…”