Predicates
The simple predicate of a sentence is made up of the verb and any helping verbs.
The ship was turning in the harbor.
The complete predicate of a sentence is the simple predicate and its modifiers and complements.
The ship was turning in the harbor.
The compound predicate is made up of two or more predicates that have the same subject.
Harold Ballard owned the Toronto Maple Leafs and invested in the Hamilton Tiger Cats.
