On auxiliary verb in Universal Dependencies: untangling the issue and proposing a systematized annotation strategy Magali Duran author Adriana Pagano author Amanda Rassi author Thiago Pardo author 2021-12 text Proceedings of the Sixth International Conference on Dependency Linguistics (Depling, SyntaxFest 2021) Nicolas Mazziotta editor Simon Mille editor Association for Computational Linguistics Sofia, Bulgaria conference publication duran-etal-2021-auxiliary https://aclanthology.org/2021.depling-1.2/ 2021-12 10 21