What two words are connected by the linking verb?

Unfortunately, Tammy grew tired during the long concert and she missed the finale?

Tammy -- tired

In this sentence, the linking verb is "grew." The linking verb connects the subject, "Tammy," with the adjective that describes her condition, which is "tired." The linking verb "grew" shows the change in Tammy's state or condition. So, the two words connected by the linking verb are "Tammy" and "tired."