Grammatical Variations between Singapore, Mainland China, and Taiwan Mandarin: A Pilot Study of Aspect Marking Yong Kang Khoo author Jingxia Lin author 2018-1–3 dec text Proceedings of the 32nd Pacific Asia Conference on Language, Information and Computation Stephen Politzer-Ahles editor Yu-Yin Hsu editor Chu-Ren Huang editor Yao Yao editor Association for Computational Linguistics Hong Kong conference publication khoo-lin-2018-grammatical https://aclanthology.org/Y18-1032/ 2018-1–3 dec