Denison, David (1993). English Historical Syntax. London: Longman.
Fonteyn, Lauren, & Van De Pol, Nikki (2016). Divide and conquer: the formation and functional dynamics of the Modern English ing-clause network
. English Language and Linguistics, 20(2), 185–219.
Hawkins, John A. (2012). The drift of English toward invariable word order from a typological and Germanic perspective. In Elizabeth Closs Traugott, & Terttu Nevalainen (Eds.), The Oxford Handbook of the History of English (622–632). Oxford: Oxford University Pres.
Hundt, Marianne (2009). Colonial lag, colonial innovation or simply language change. In Günter Rohdenburg, & Julia Schlüter (Eds.), One Language, Two Grammars? Differences between British and American English (13–37). Cambridge: Cambridge University Press.
Leech, Geoffrey Hundt, Marianne, Mair Christian, & Smith, Nicholas (2009). Change in Contemporary English. A Grammatical Study. Cambridge: Cambridge University Press.
Leisi, Ernst, & Mair, Christian (2008). Das heutige Englisch: Wesenszüge und Probleme. 9th edition. Heidelberg: Winter.
Sapir, Edward (1921). Language: An introduction to the study of speech, New York: Harcourt, Brace & World.
De Smet, Hendrik, & Heyvaert, Liesbet. (2011). The meaning of the English present participle. English Language and Linguistics, 15(3), 473–498.
Tieken-Boon van Ostade, Ingrid (2009). An Introduction to Late Modern English. Edinburgh: Edinburgh University Press.
Traugott, Elizabeth Closs, & Trousdale, Graeme (2013). Constructionalization and Constructional Changes. Oxford: Oxford University Press.