所有学科都有理论和实用两个方面。在中学语文课里讲语法应该以实用为主。为讲实用方面的问题必不可少的理论知识要讲,超过这个部分宜于少讲。例如语索和词和短语的区别的问题就不必详 All disciplines have both theoretical and practical aspects. Grammar in middle school Chinese class should be mainly practical. To talk about practical aspects of essential theoretical knowledge to say, more than this part should be less speak. Questions such as the difference between words and words and phrases are not necessary