Answer:
First off a Predicate adjective is the subject of a linking verb.
For example:
Off of internet, 'The shoes look expensive.' Expensive is the Predicate adjective.
Another is:
'The movie was hilarious.' The word movie is the predicate Adjective.
Predicate nouns are like, 'He', 'She.' Its a word that can replace what you are talking about.
Step-by-step explanation:
"I saw the ballerina on the stage leaping. She was so graceful. The leap she took was risky but she landed it perfectly safe. The other girls were shorter and the lead ballerina was tall. I soon learned she was the swan. The show was quiet and intense all at the same time."
Not perfect but you get the point! Hope this helped.