“…Code-switching is particularly prevalent among fluent early or simultaneous bilinguals, defined as those who learned both languages before the age of six and continue to use them both in everyday life (McLaughlin, 1978;Poplack, 1980;Padilla & Lindholm, 1984;Flege, 1991;Flege, Munro, & MacKay, 1995;Hamers & Blanc, 2000;Genesee, Paradis & Crago, 2004;Gildersleeve-Neumann & Wright, 2010;Lee & Iverson, 2012). In bilingual research, code-switching has been well studied in regards to grammatical structure (Pfaff, 1979;Poplack 1980Poplack , 1987Woolford, 1983;Belazi, Rubin, & Toribio, 1994;Myers-Scotton, 2008).…”