This part is a video for you to understand the development of language teaching methods （Section 2.1）. You can open your textbooks and turn to P26:

1. What roles do methods play in language teaching?

 2. The method era

For the nine schools of methodological approaches, you can read the book for detailed information:

Or read this material:

3. The anti-method era

4. The post-method era

5. A Framework for Understanding Language Teaching Methods