One way to introduce the concept of compound subjects and predicates is to provide your students with sentences that contain clues about what the compound part might be. For example, you might use ...

Grammatical errors and poor sentence structure can tear your writing apart. You’ll only need a subject and predicate to form a complete sentence but adding other parts to your sentence can give it ...

The reason English uses "subject, verb, and object" instead of "subject and predicate" is that the sentence structure of English is difficult to explain using the broad category of "predicate," making ...