“…In Japan, one stream of research has analysed the use of specific apologetic expressions such as gomen 'sorry (NON POLITE)' (Hidaka, 2019), gomen-nasai 'sorry (POLITE)' (Sandu, 2012(Sandu, , 2013Hidaka, 2017), and sumimasen 'sorry (POLITE)' (Ide, 1998;Miyake, 1993Miyake, , 1994Sandu, 2013), shedding some light on the multiple functions they serve in spontaneous conversations, especially in the co-occurrence with thanks. Sumimasen 'sorry (POLITE, literal meaning 'it is not finished')' is, above all, the most studied IFID in the literature, and other apology expressions have been left largely unexplored.…”