2014. Grammatical Change in the Verb Phrase in Australian English: A Corpus-based Study. Australian Journal of Linguistics 34:4 ► pp. 506 ff.
FRANCO, KARLIEN & SALI A. TAGLIAMONTE
2022. The most stable it's ever been: the preterit/present perfect alternation in spoken Ontario English. English Language and Linguistics 26:4 ► pp. 779 ff.
Yao, Xinyue
2014. Developments in the Use of the English Present Perfect. Journal of English Linguistics 42:4 ► pp. 307 ff.
This list is based on CrossRef data as of 11 may 2023. Please note that it may not be complete. Sources presented here have been supplied by the respective publishers.
Any errors therein should be reported to them.