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1·Descriptive grammar and prescriptive grammar both are very important in English studies.

规定语法和描写语法在英语语言研究与教学中占有同等重要的位置。

2·Descriptive adequacy is achieved to the extent that a grammar gives a correct account of a speaker's competence.

当一种语法达到能正确描述一个说话人的能力时，就被认为达到描写上的充分性。

3·Both generative and functional grammars are built on the basis of traditional grammar, drawing on the methodological results of American descriptive linguistics.

形式学派和功能学派都是在传统语法的基础上吸取了美国描写语言学的方法而形成的。

4·Z. S. Harris, the famous American Descriptive Linguist, divides his linguistic study into three stages:Structure-analysing, Transformation-analysingand Operator Grammar.

美国著名的描写主义语言学家哈利斯，其语言学研究包括三个阶段：结构分析、转换分析和算子语法。