The document discusses different methods for teaching grammar, noting that the traditional method of explaining rules and drilling students is often boring and leads to errors. It recommends teaching grammar through interactive means like games and videos, as well as limiting explanations to 10 minutes and using examples from texts as teaching tools to help students learn grammar in a communicative context. The document also provides an example of a more effective approach to teaching the past tense through having students read and discuss short narratives containing examples of the target grammar.