The study explored the impact of proficiency, frequency, L1-L2 congruency, and semantic transparency on the knowledge of multi-word units (MWUs) among Iranian L2 learners (N = 256). A gap-filling test was used to assess learners' productive knowledge, employing a high-frequency MWU list created with the lemmatised concgramming method. The list,…

This study outlines the steps taken to create an academic multi-word unit list derived from corpus data. It gives details on the procedure used and the rationale behind why certain approaches were utilised. It also compares existing resources and makes some suggestions for practical use of the resulting resource.