Write a sentence using a verb in the subjunctive mood and then explain how you recognize the use of a subjunctive mood.
It is vital that he complete the project on time to ensure its success.
In this sentence, the verb "complete" is in the subjunctive mood because it expresses a hypothetical situation or a need for something to happen. The subjunctive mood is often used in situations where the action is uncertain, desired, necessary, or hypothetical.