17 Compound subject and compound predicate COMPOUND SUBJECT AND COMPOUND PREDICATE: A compound subject has two or more subjects connected by a conjunction like and and or. All subjects in a compound subject have the same verb or predicate. A compound predicate has two or more predicates connected by a conjunction. All predicates in a compound predicate have the same subject. Example: The detective and his partner solved the mystery. The compound subject is detective and partner. The simple predicate is solved. Example: He finished the problem and raised his hand. The compound predicate is finished and raised. The simple subject is he. Example: Lois and Ted are going to high school in September and will take algebra as their math course. The compound subject is Lois and Ted. The compound predicate is are going and will take.