目前他的主要研究领域是基于语料库学术话语分析元话语分析。他的博士论文Metadiscourse use in Spanish academic writing: Exploring the interface of nativeness and expertise在穆尔西亚大学获得了Sobresaliente (Cum Laude)。

1. Yao, G. (2023, October 28). Corpus-based contrastive study of interactional metadiscourse in Spanish academic writing. Presented at the 1th International Conference on Frontiers of Corpus-based Interdisciplinary Research (FoCIR2023), Xi'an: Xi'an Jiaotong University.

2. Yao, G., Carrió-Pastor, M. L. (2021, July 13). On the use of interactive metadiscourse in Spanish academic writing: Factors of nativeness and expertise. Presented at the 11th International Corpus Linguistics Conference (CL2021), Limerick: University of Limerick.

3. Yao, G., Carrió-Pastor, M. L. (2021, May 27). Metadiscourse analysis: A methodological review. Presented at the 3rd Metadiscourse Across Genres Conference (MAG2021), Castellón: Universitat Jaume I.

4. Yao, G., Carrió-Pastor, M. L. (2021, April 29). Interactive metadiscourse in Spanish academic writing: A comparative corpus-based analysis. Presented at the 12th Congreso Internacional de Lingüística de Corpus (CILC2021), Murcia: Universidad de Murcia.

5. Yao, G., Carrió-Pastor, M. L. (2021, April 16). A comparative study on the use of interactive metadiscourse by native Spanish scholars and Chinese learners of Spanish. Presented at the 38th International Conference of the Spanish Society for Applied Linguistics (AESLA), La Coruña: Universidade da Coruña.

6. Yao, G., Li, B. (2019, May 15). How do Chinese students of Spanish use reporting verbs in their master’s thesis? A concordance-based analysis. Presented at the 12th Congreso Internacional de Lingüística de Corpus (CILC2019), Valencia: Universitat de València.

7. Yao, G. (2018, June 13). Corpus-driven Approach to Lexical Semantic Change: A Case Study. Presented at the 9th Inter-Varietal Applied Corpus Studies International Biennial Conference (IVACS). Vallete, Malta: University of Malta.

8. Yao, G. (2018, May 9). El Aprendizaje del Vocabulario mediante Data-driven Learning en un Contexto de Español como Lengua Extranjera. Presented at the 10th Congreso Internacional de Lingüística de Corpus (CILC2018), Cáceres: Universidad de Extremadura.