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学员疑问：这个句子的结构应该如何分析？
老师解答：句子主干为：A role then is a sector；of the total orientation system是介词短语作后置定语，修饰a sector；of an individual actor是介词短语作后置定语，修饰orientation system；which is…context是定语从句，修饰a sector；其中in relation to a particular interaction context是介词短语作定语，修饰expectations；that is …roles是定语从句，修饰a sector；其主干是that is integrated with a particular set of value standards，之后包含一个which govern interaction with one or more alters in the appropriate complementary roles的定语从句，修饰value standards；其中with one or more alters是介词短语作后置定语，修饰interaction；in the appropriate complementary roles是介词短语作地点状语。
A role then is a sector (of the total orientation system of an individual actor) (which is organized about expectations in relation to a particular interaction context), (that is integrated with a particular set of value standards) (which govern interaction with one or more alters in the appropriate complementary roles).
点评分析：可见这个句子的主干非常简单，难的是要清楚定语和定语从句的划分，弄清楚被修饰成分，以及句中的状语。
