2018. The Distribution of the Perfect Auxiliaries be/have in Middle English Texts. Anglica. An International Journal of English Studies :27/2 ► pp. 33 ff.
Ackema, Peter & Antonella Sorace
2017. Auxiliary Selection. In The Wiley Blackwell Companion to Syntax, Second Edition, ► pp. 1 ff.
McFadden, Thomas
2017. On the disappearance of the BE perfect in Late Modern English. Acta Linguistica Hafniensia 49:2 ► pp. 159 ff.
2010. Past participle agreement in Abruzzese: split auxiliary selection and the null-subject parameter. Natural Language & Linguistic Theory 28:1 ► pp. 41 ff.
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