过去分词引导的定语从句

过去分词不能引导定语从句，但是过去分词作后置定语可以改写成定语从句。例如，The book written by Lu Xun is very popular among teenages. 这个句子中的written by Lu Xun 是过去分词作后置定语，修饰the book. 这个句子可以改写成: The book which was written by Lu Xun is very popular among teenages.