The role of grammatical metaphor in the development of advanced literacy in Spanish as a first, second, and heritage language

Table 1 Prototypical frequencies of ideational grammatical metaphors

Genre	Mexico	US
Question-and-answer	1.16 % (Ignatieva 2008)	3.06 % (Velázquez-Mendoza 2014)
Essay	20.5 % (Rodríguez 2014)	Results not available