This document discusses various methods for teaching foreign languages, including grammar translation, audiolingualism, and communicative language teaching. It provides background on each method, including key principles and approaches. For grammar translation, it describes how it focuses on learning grammar rules and translating sentences, with an emphasis on accuracy. For audiolingualism, it explains how it is based on behaviorism and emphasizes oral drills, repetition, and pattern practice. It also outlines different learning activities used in this method.