predicate nominative

  edgood  —  Grammar Tips
A predicate nominative is also called a subject complement or a predicate noun. The predicate nominative typically follows the verb to be. Sometimes a predicate nominative can follow a linking verb. It restates or defines the grammatical subject of the sentence or clause. The following predicate nominatives are underlined:
She is my friend. Susan was an excellent leader. Stephanie seems an honest woman.