Final answer:
Predicate nominatives and predicate adjectives are not types of direct objects.
Step-by-step explanation:
Predicate nominatives and predicate adjectives are not types of direct objects.
A direct object is a noun, pronoun, or noun phrase that receives the action of a transitive verb.
A predicate nominative is a noun or pronoun that renames or identifies the subject of a sentence, and a predicate adjective is an adjective that describes or modifies the subject of a sentence.
Learn more about Parts of speech