Revising material for a coming class, I was thinking of the continuous problem many, as me, probably face when organizing Public classes: addressing mix-abilities groups.
It is always an issue but I believe it is quite a challengue when it applies to Language classes.
Although I advocate unconscious adquisition of grammar and lexis, it is not that easy to achieve in classes where completely true beginners are and I usually have to recur to explanation and exemplification in Source Language rather than Target Language, translation, etc. Then, rather than making the most use of a constructive, reflexive approach to learning through activities that foster exposure and later deduction, I sometimes fall into the Presentation- Practice- Production model I'm not passionate about...
But I understand we, teachers, need to consider all means to achieve to the end of helping students learn