In the sentence "The crowd became excited," what is the main action indicated by the verb?

In the sentence "The crowd became excited," the main action indicated by the verb is "to become." This verb functions to describe a state of change or transformation, showing that the crowd transitioned from one state (not excited) to another (excited). "Become" is a linking verb in this context, connecting the subject, "the crowd," to its condition, "excited."

The other verbs presented do not pertain to the main action of the sentence. "To win," "to cheer," and "to watch" suggest direct actions that imply interaction or participation, which are not applicable here since the sentence focuses on the crowd's change in emotional state rather than an active undertaking. The use of "to become" accurately encapsulates the essence of the sentence's meaning.