Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 井上 優 and Masaru INOUE,On the Ambiguity of the ta-Form in Japanese,国立国語研究所論集 = NINJAL Research Papers,2186-134X,国立国語研究,2011-05,1,,21-34,https://cir.nii.ac.jp/crid/1390009224767857664,https://doi.org/10.15084/00000474