• 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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• Geographical typology as a window into the evolution of the Austronesian family, with Brad McDonnell and Dan Kaufman.

• Language evolution in the Austronesian family tree. With Mary Walworth and Miriam Meyerhoff.

• The evolution of basic colour terms in Māori. With Neil Dodgson.

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

• 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.