“Does any here know me? This is not Lear:”- What can be comprehended about Lear’s mental state from this line? What reason does he have for such outrage?

Adjective clauses  begin with words such as that, when, where, who, whom, whose, which, and why. an essential (or restrictive)  adjective clauseprovides information that is necessary for identifying the word it modifies. so for example*** wrong= i the man gave me direction. example right ( i the man who gave me the  direction.