• Valency-decreasing operations in Formosan

• Raising constructions in Formosan

• The nature of Philippine-type 'voice' and similar systems in non-Austronesian languages

• Variation and change in western Austronesian syntax 

• The Austronesian homeland puzzle and Austronesian higher-order subgrouping 

• The primary diaspora of Malayo-Polynesian

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  Current collaborative projects ​​​​

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• Exceptive constructions in Austronesian languages. With Eric Potsdam and Maria Polinsky

• Austronesian higher-order subgrouping with a special focus on Malayo-Polynesian. With Kristina Gallego, Jonathan Kuo, Isaac Stead, and Benjamin van der Voorn  

• Voice and restructuring in Austronesian languages. With Ileana Paul, Lisa Travis, Diane Massan, Jozina Vander Klok, and Susi Wurmbrand

• Relative clauses and islands in Tagalog. With Nozomi Tanaka

• The evolution of syntax in Western Austronesian. With Daniel Kaufman and Bradley McDonnell 

• L1 transfer effects in the acquisition of English by-phrases. With Stephen Skalicky

•  A cross-linguistic exploration of English, Mandarin Chinese, and Indonesian. With Stephen Skalicky