In the compound sentence "The farmer plowed all of his fields, and the silo was filled," the first independent clause is in active voice because the subject does the acting. The second independent clause is in passive voice because the action happens to the subject. The subjects of both clauses, farmer and silo, are singular however the direct object, all, and the object of the preposition, fields, are plural. The entire sentence is in indicative mood because it expresses a fact.