classes:  lecturer. The content of the teacher is lacking in theory, the time in class has not been used at a good level, free time is much that while I have not taught again.  curriculum. The content of the teacher is lacking in theory, the time in class has not been used at a good level, free time is much that while I have not taught again.  facility. The content of the teacher is lacking in theory, the time in class has not been used at a good level, free time is much that while I have not taught again.  general. The content of the teacher is lacking in theory, the time in class has not been used at a good level, free time is much that while I have not taught again.