What is the linking verb in sentence you are nervous about interview?

The linking verb in the sentence "You are nervous about the interview" is are.

Here's why:

* Linking verbs connect the subject (you) to a predicate nominative or predicate adjective. In this case, "nervous" describes the subject.

* Linking verbs don't show action; they simply connect the subject to a state of being or quality.

Let me know if you'd like to explore other examples of linking verbs!