A must be avoided or immediately corrected, as they can impede proper communication.

B are to be seen as an integral component of the process to try and communicate in the language being learned.

C are elements of utmost importance, telling the teacher what to deal with in subsequent language classes.

D will be most readily avoided when learning goals are realistic and feasible.

E must be deliberately ignored by the teacher so as not to inhibit students in their attempt to communicate.