Santos, M.H.P. 2024. For the history of ‘auxiliary verb’ and ‘verbal periphrasis’ in the metalinguistic discourse of Portuguese published between 1536 e 1870. Acta Scientiarum. Language and Culture. 45, 2 (Feb. 2024), e67743. DOI:https://doi.org/10.4025/actascilangcult.v45i2.67743.