Which word in the sentence is a predicate adjective? A ripe melon should be heavy and should have a sweet and pleasant smell.

a. heavy

b. pleasing

c. smell

d. sweet

B. heavy - - This is it. The word "heavy" is in the predicate, it is an adjective, and it modifies the subject through the verb. That's the role that a predicate adjective serves. The concept is that a ripe melon is a heavy melon, where "melon" is not part of the predicate.