Teachers' questions in ESL classrooms Michael Long and Charlene Sato (1983) examined the forms functions of questions asked by teachers in ESL classrooms and compared them with questioning behaviours observed outside the classroom between native and non-native speakers. The researchers concluded that teacherนักวิจัยสรุปกับครูว่า—learner interaction is a 'greatly distorted version of its equivalent in the real world' and they argued that the interactional structure of classroom conversation should be changed.