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,…

In recent years, the use of English corpora to instruct grammar in writing classes has become increasingly popular. In English for Specific Purposes classes, such a novel approach is critically important since it not only allows teachers to achieve a profound understanding of which syntactic structures should be instructed, but it also increases…