This document discusses common problems that English as a second language (ESL) teachers may encounter and provides suggestions for addressing them. Some issues covered include lack of preparation time, keeping lessons engaging, finishing early or being unprepared for substitutions, activities that don't work well, mixed student ability levels, boring or unsuitable textbooks, late or unmotivated students, large class sizes, and trauma among students. The document emphasizes the importance of understanding students, choosing interesting materials, and being flexible in one's teaching approach to solve problems and meet students' needs. It also provides several online resources for finding additional teaching materials and ideas.