he is the tallest man I have ever seen.请问句中的I have ever seen是什么句子成分?

问题描述:

he is the tallest man I have ever seen.请问句中的I have ever seen是什么句子成分?

其实就是定语从句,用的是现在完成时,ever可以看成一个标志词,seen是see的过去分词形式.