Tense Markers and -ko Constructions in Korean Hee-Rahk Chae author 2006-11 text Proceedings of the 20th Pacific Asia Conference on Language, Information and Computation Tsinghua University Press Huazhong Normal University, Wuhan, China conference publication chae-2006-tense http://hdl.handle.net/2065/29086 https://aclanthology.org/Y06-1025/ 2006-11 191 197