Introduction
This digital teaching material was built in 2014 by Ann Hui-Huan Chang, a member of the TAO Digital Humanities Research Team. At that time, she was a doctoral student at the Institute of Linguistics of National Chung Cheng University. The teaching material was digitally edited based on the first draft of "TAO Grammar Reference Book" written by Professor Dr. Victoria Rau and Miss Dong Manu. It is part of three-year NSC project “A Typological Study of Austronesian Languages in Taiwan and their Revitalization” (NSC100-2420-H-194-011-MY3). The audio sound files produced by Miss Dong and edited by Ann Hui-Huan Chang.