Erratum: Acta Linguistica Academica 67 (2020) 3, 319–345
The following Acknowledgement was regrettably omitted from the original publication.
This research has been carried out in the author's postdoctoral project No.121386 of the National Research, Development and Innovation Office (NKFIH), the support of which is here gratefully acknowledged. I would also like to thank the support of the NKFIH 129921 research project. I would further like to thank the anonymous reviewers for their useful comments. All remaining errors are mine.