The teacher is a very enthusiastic woman called Ms Shen. (P2)called是过去分词作定语，与所修饰的名词是逻辑上的被动 关系，相当于一个定语从句：who is called Ms Shen. Eg. We visited the new library built three weeks ago.
巩固练习 1) My best classmate was a boy who was called Li Qiang.(将划线部分变为过去分词结构) My best classmate was a boy____________________. called Li Qiang 2) I like the books written by Guo Jingming.(将划线部分 变为定语从句) I like the books which/that were written by Guo Jingming _________________________________.