seem to be+adj和 seem+adj 的区别?

seem to be+adj和 seem+adj 的区别?
seem to be+adj和 seem+adj 的区别?

seem to be+adj和 seem+adj 的区别?
seem +(to be ) + adj./ n.
He seems (to be ) angry.
语法书上是这样写的,所以,我觉得没有什么区别