Corpus-based study of L3 acquisition on Spanish past tense: evidence from learners’ oral production Hui-Chuan Lu | An Chung Cheng | Shen Yun Hung | Show more Hui-Chuan Lu Taiwan, Province of China National Cheng Kung University An Chung Cheng United States University of Toledo Shen Yun Hung Taiwan, Province of China National Cheng Kung University Submitted: 2018-09-25 | Accepted: 2019-04-08 | Published: 2019-07-19 DOI: https://doi.org/10.4995/rlyla.2019.10744