Answer with explanation:
Given that S = Subject, V = Verb, IO = Indirect Object, DO = Direct Object, PA = Predicate Adjective and PN = Predicate Noun, we are to determine these in the given sentences.
S V PA
1. The show was excellent.
(the show = subject, was = verb, excellent = predicate adjective)
S V IO DO
2. My dog brought Dad a biscuit.
(my dog = subject, brought = verb, dad = indirect object, a biscuit = direct object)