Global migration has had significant impact on the traditional configuration of the classroom role set. The language teacher may be teaching a group of learners with highly mixed interests, abilities, learning histories and exposures to the target language, while the language learner may be confronted with so many different models of the target…

Classroom research has largely focused on an "instructional discourse" in local classroom contexts where teachers and students interact about subject knowledge. Few studies have been conducted, however, to examine "regulative discourse", which is the precondition for the transmission of subject knowledge. In this article,…