They forbid the sale of alcohol in this state. (Passive Voice)
They forbid the sale of alcohol in this state. (Passive Voice)
Explanation
This question belongs to Present Indefinite Tense.
Active voice formula: Subject + verb + object + other words (They forbid the sale of alcohol in this state)
Passive voice formula: Object + is/am/are + third form of a verb + by + subject + other words (The sale of alcohol is forbidden in this state)