Final answer:
The sentence 'The state championship was won by the baseball team' is a passive sentence. In passive voice, the subject ('The state championship') is acted upon. The sentence could be rephrased in an active voice as 'The baseball team won the state championship'.
Step-by-step explanation:
The sentence 'The state championship was won by the baseball team' is in Passive Voice. In this sentence, the subject is 'The state championship', which is the receiver of the action 'was won'. Let's understand more about passive and active voices. In the Active Voice, the subject act or performs the action. For example, we can rephrase the sentence in active voice like 'The baseball team won the state championship'. Here, the subject is 'The baseball team', and it is doing the action of winning the state championship.
Typically, the structure of a passive sentence is Object + verb + by + subject. Keep in mind; an active voice is clear and lively, while passive voice provides a sense of formality or takes the emphasis away from the subject.
Learn more about Active and Passive Voice