A growing number of studies have probed the effectiveness of certain exercise formats in the learning of multi-word expressions (MWEs) in classroom settings. However, a number of important variables, such as MWE retention over an extended period of time and the role of repetition, have so far not been considered. Furthermore, studies have focused…

This article reports on two studies, testing how three different types of input (skewed first, skewed random and balanced) affect second language (L2) learning of English present counterfactual (IF-Is) and past counterfactual (IF-IIs) conditionals, two constructions differing in complexity. The experiment included a proficiency test, a pretest, a…