Drivers of English Syntactic Change in the Canadian Parliament Liwen Hou author David A Smith author 2021-02 text Proceedings of the Society for Computation in Linguistics 2021 Allyson Ettinger editor Ellie Pavlick editor Brandon Prickett editor Association for Computational Linguistics Online conference publication hou-smith-2021-drivers https://aclanthology.org/2021.scil-1.5/ 2021-02 51 60