The document discusses four common approaches to language teaching:
1. Grammar Translation focuses on grammar rules, translation, and reading literature but neglects speaking skills.
2. Direct Method uses only the target language and teaches speaking first through visual aids and situations.
3. Audio-Lingual Method develops listening and speaking habits through repetition and drills before reading/writing.
4. Total Physical Response links language to physical actions to make learning enjoyable and reduce stress for beginners.