Vocabulary proficiency is strongly correlated to comprehension, and educational attainment at university. This study investigated patterns of second language (L2) learners vocabulary acquisition of English in pedagogical contexts, and developed a vocabulary acquisition model, specifically a pre-receptive to productive vocabulary (PR-PV) model which analysed the patterns of inferencing strategies, the role of context on the strategies, and the influence of teaching explicit strategies on vocabulary development. Research in the area of vocabulary development is unclear on the interrelationships...