named 和be named用法什么区别啊!

问题描述:

named 和be named用法什么区别啊!
似乎差不多的~如
(MY dog named wangwang)
(My dog is named wangwang)

MY dog named wangwang只是一个词组,named wangwang是作为后置定语,修饰被起名的狗的;sth/sb named...称为...的人或物;
My dog is named wangwang是完整的句子.sth/sb be named ...给人或物起名为...