Research theme for competitive and other funds (5):
2022 - 2026 空要素を許容する第三言語の獲得:母語と第二言語が及ぼす影響
2020 - 2024 L2 Acquisition of Interactional Competence in English and Japanese
2018 - 2022 第二言語における項省略の習得
2017 - 2020 外国語としての日英モダリティの習得
2015 - 2017 L2 Acquisition of Null Arguments in Japanese
Papers (6):
(co-author) Kazumi Yamada. Notes on reciprocals in Korean and Japanese ellipsis. 2020. 37. 197-203
(co-authors) Eiko Gyogi, Barbara Pizziconi. The particle ne in the development of interactional positioning in L2 Japanese. East Asian Pragmatics. 2019. 4. 1. 113-143
(co-authors) Peter Sells, Hidekazu Tanaka (editors, Mikio Giriko, Naonori Nagaya, Akiko Takemura, Timothy Vance). Multiple accusative constructions: The case of V+tate in Japanese. Japanese/Korean Linguistics. 2015. 22. 277-292
(co-author) Kazumi Yamada (editor) Yukio Otsu. Null Subjects and Topic-drop in L2 Japanese: Some implications for the Interface Hypothesis. The Proceedings of the 14th Tokyo Conference on Psycholinguistics (TCP 2013). 2013. 115-135
(co-authors) Barbara Pizziconi, Noriko Iwasaki. Modal markers in Japanese: a study of learners' use before and after study abroad. Japanese Language and Literature. 2013. Vol.47. No.1. 93-133
(co-author) Kazumi Yamada (editors, Makiko Hirakawa, John Matthews, Koichi Otaki, Neal Snape, Mari Umeda). The effect of instruction on null subject: A case of L2 Japanese learners. Proceedings of PacSLRF 2016. 2017. 115-120
(co-authors) Hidekazu Tanaka, Peter Sells (editors, Kazuko Yatsushiro, Uli Sauerland). Raising out of V+tate phrases. MIT Working Papers in Linguistics: Formal Approaches to Japanese Linguistics. 2013. 6. 227-238
(editor: Nobuko Hasegawa). On the degree of acceptability of long-distance dependencies in Japanese cleft constructions. Scientific Approaches to Language: Pragmatic functions and syntactic theory - in view of Japanese main clauses. 2010. 2. 61-76
Systematic aspects of L2 performance of Japanese: Acquisition of demonstratives and sentence-final particles. Proceedings of the 2007 Japanese Language Symposium: Association of Japanese Language Teachers in Europe/BATJ. 2008. 154-161
(co-author) Hidekazu Tanaka (editors) Nanna Haug Hilton, Beck Sinar and Hazel Steele. Island Insensitive Constructions in Japanese. 2007. 2. 8. 219-234
Books (9):
日本語の主節現象に関する第二言語習得研究の可能性
くろしお出版 2020
Translating into Japanese mimetics: Grammatical class-shift and historical development
Routledge 2016
日本語文型辞典 英語版
くろしお出版 2015
L2 acquisition of null subjects in Japanese: A new generative perspective and its pedagogical implications
Springer 2013
Syntax of Quantifiers in Japanese
LINCOM Studies in Asian Linguistics 2012
Epistemic stance markers: Tools for conversation navigation
(TESOL Arabia 2020)
Availability of the reciprocal reading in L2 Japanese
(The 14th Generative Approaches to Language Acquisition 2019)
Epistemic stance in L2 English discourse: the development of interactional competence in study abroad
(The 16th International Pragmatics Conference 2019)
Development of L2 English mitigation before and after study abroad
(Akita JALT 2019)
Notes on reciprocals in Korean and Japanese ellipsis
(English Linguistics Society of Japan the 12th International Spring Forum 2019)