. A study of teachers’ instructions for group work in 2 nd year non- English major classrooms at Thai Nguyen University 7  The primary units of language are not merely its grammatical and. are easy to construct and uniquely capable of gathering a large amount of information quickly in a form that is readily processable (Dornyei, 2003). Observation of the teachers‟ classes will. talk for at least half, and often for as much as two thirds of any class period. In these classrooms, only a small number of students speak relatively frequently with the teacher. This leads