IntroductionA second/foreign language learner takes a linguistic journey from his/her mother tongue to the target language and naturally constructs a personal linguistic system in the interim time. This individual system is termed ‘interlanguage’ (Selinker 1969, 1972), ‘approximative system’ (Nemser 1971), ‘transitional competence’ (Corder 1967), or ‘idiosyncratic dialect’ (Corder 1973). In a narrower sense, interlanguage refers [...]