In recent years, despite the fact that many researchers have devoted much of their attention to second language attrition, not much focus has been given to first language attrition (FLA) specifically among Iranian immigrants. The present study attempts to describe FLA in the semantic domain of idiomatic expression and effect of length of residence…

Following an emergentist approach, the authors examined the comprehension of four different types of restrictive relative clauses (direct object/oblique vs. subject/indirect object) with animate/inanimate referents by Iranian EFL learners. To this end, an Oxford placement test and two sets of comprehension tests within a week's interval were…