语言能力是乔姆斯基(N.Chomsky)的转化生成语法理论术语。乔姆斯基认为,人们一旦掌握了高度抽象的语言能力、语法规范系统,就能创造出无限的句子来。语言能力是语法规内化的体系,即语言、语法、词汇等规则体系。语言的运用是指在不同的语言环境中使用适当的语言,说话得体,表达灵活,能随机应变,能够吸收传递信息。在中学英语教学中,语言能力是交际能力的基础, Linguistic competence is the linguistic and theoretical terminology of N. Chomsky’s transformation. Chomsky believes that once people have mastered a highly abstract language ability, grammar norms system, will be able to create unlimited sentences. Linguistic competence is the system of internalization of grammar rules, ie the rules system of language, grammar and vocabulary. The use of language refers to the use of the appropriate language in different language environments, speaking properly, expressing flexibility, being adaptable, and capable of absorbing and transmitting information. In middle school English teaching, language ability is the foundation of communicative competence,