Predicate Adjective
A linking verb connects the subject to a word that comes after the verb. That word can be either a predicate noun or a predicate adjective. A predicate noun gives another name to the subject. A predicate adjective describes the subject.
Your proposition is illogical.
Jerry is very cynical.
The paper was late.
You look marvelous.
I feel bad about your problems.*
* Do not say, "I feel badly." "Feel" is a linking verb. As such it must be followed by an adjective, not an adverb.
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