Teaching english is a complex enterprise. This research is a research on teaching, developing TEFLNNs Generic Teaching Skills. The central problem of this research is competencies for a teacher to posses TEFLNNs as amodel of instruction. In particular, the research quesion is as follows: Is the experimental group with TEFLNNs Generic Teaching Skills in more significant teaching performances than the common TEFL class? To articulate the matter, the research methodology first reviews theory of generic skills, theory of instructional design, then incorporate both in teaching English in non native speaker setting. The core matter of generic skill first applies to the central notion of communicative competence in a generic skill perspective, then the TEFLNNs in teaching English profession. The finding states that epistemological praxis of generic skill in Developing TEFLNNs Generic Teaching Skills the problem solving skill, the communication and the critical thinking, makes better understanding of various difficulties in grasping the construct of communicative competence and the the complexity of TEFLNNs Teaching state of affairs.