“… 1 There is, of course, notable work in generative L3 studies that investigate interlanguage development, regressive transfer effects in development and competence at later stages of acquisition such as, for example, García Mayo et al (2005) , Cabrelli Amaro and Rothman (2010) , García Mayo and Villarreal Olaizola (2011) , Cabrelli Amaro (2013) , Slabakova and García Mayo (2015) . …”