COMPETENCE + a person’s underlying knowledge of language + people can create and understand sentences + enables people to recognize ambiguous / incorrect sentences PERFORMANCE + actual use of language + sometimes, performance is not perfect/ not correct. + performance is affected by: memory limitation, distraction, shifts of attention or psychological factors THE ROLES OF A TEACHER 1. Controller: control the classroom activities 2. Resource: provide necessary information 3. Participant: take part in the classroom activities 4. Demonstrator: present the lessons/demonstrate the ideas … 5. Prompter: suggest ideas/offer words … APPROACH + Theories about the nature of lg. and lg. learning + level at which beliefs and assumptions are performed. METHOD + practical realization of an approach + level at which theories are put into practice (activities, materials, procedures etc.) PROCEDURE +pre-reading: holding a warm-up activity introducing the lesson pre-teaching some vocabulary asking guiding questions TECHNIQUE