Some ELT competentcies:
Presenting language points in clear and interesting ways
Taking into account students' differnet styles of learning
Using different techniques to explain new vocabulary.
Employing a variety of techniques for the 4 skills.
Ref.
Jack C. Richards.
Curriculum Development in Language Teaching. p.236
Taken from
Murdoch, G. 1997. What makes a good English language teacher? In TESOL Arabia 1997 Third International Conference,
vol 11. Conference Proceedings Selected Papers, March. 96 - 108.