In the English language teaching field, many professionals join the area after becoming sufficiently fluent and confident to face learners. Some of us start a career believing the knowledge we have of the language will guarantee our success in teaching and we may resent feedback given about our use of the language. Although the language proficiency needed to teach depends on the context lessons will be happening (Rossner, 2017), learning more about the language we teach may improve our performance in the classroom. Considering that the learning goals as...