I. Introduction
The purpose of middle school English teaching is to improve the students' four skills of listening, speaking, reading and writing, with the base of necessary phonetics, large vocabulary and good grammar, But this is not the final purpose. The final purpose is to lot let students be able to use the language.
Why do we study English? If a man is only good at listening and speaking, can we say that he is good at English? No, If a man is only good at reading and writing, can we say that he is good at the language? No, If a student is good at English, he should be able to use the language, both in spoking and writing.

I. Introduction
II. Ways on developing the four abilities
1. Listening
2. Speaking
3. Reading
4. Writing
III. conclusion
Reference books:

1. 扶忠汉<<双向式英语>>,北京三环出版社.1990
2. 周流溪<<中国中学英语教育百科全书>>.东北大学出版社.1995
3. 李庭芗<<英语教学法>>.高等教育出版社.1983.3
4. Huang Yuefa《English Teaching Methodology》 1991.7