In this paper I first review two hypotheses in argument ellipsis: Oku’s scrambling hypothesis and Saito and Takahashi’s anti-agreement hypothesis. Then, I put Jinghpow and Lisu to the Oku-Saito-Takahashi diagnostic test in order to examine whether Jinghpaw and Lisu allow argument ellipsis. I base this test upon the scrambling and anti-agreement hypothesis and further upon sloppy and quantificational interpretations. I confirm that as in Japanese no arguments in Jinghpaw and Lisu agree with their functional heads, and that Jinghpaw and Lisu, as Japanese, have free word order. These results well agree with Oku (1998), Saito (2007), and Takahashi (2007, 2008, 2010, 2013, 2014) that null arguments in Jinghpaw and Lisu can be analyzed as possessing argument ellipsis.
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