“…Pinker & Ullman, 2002 vs McClelland & Patterson, 2002); however, the relative simplicity of this system, including the dichotomy of regular versus irregular verb forms (Herce, 2019), raises issues relating to representativeness of languages more widely. Morphology in other systems such as Finnish verbs (Räsänen et al, 2016), Jordanian Arabic nouns (Albirini, 2015), Lithuanian nouns (Savičiūtė et al, 2018) and Dinka numerals (Ladd et al, 2009) can be considerably more complex, idiosyncratic and unpredictable than English inflection – yet children come to acquire them. A relatively recent trend in the inflectional acquisition literature is the testing of constructivist-based hypotheses for highly inflected language systems.…”