According to BROWN (2007, p. 54), in his “Teaching by Principles”, “a great many of a teacher’s choise are grounded in established principles of language learning and teaching”. These principles were listed by perceiving and internalizing connections between practice (choices you make in the classroom) and theory (principles derived from research). In view of this approach, a teacher who considers efficient second language learning involves a timely movement of the control of a few language forms into the automatic processing of a relatively unlimited number of language forms is based on one of the principles below. Check it.