What is the predicate adjective in sentence The rain on roof sounded pleasant?

The predicate adjective in the sentence "The rain on the roof sounded pleasant" is pleasant.

Here's why:

* Predicate Adjective: A predicate adjective modifies (describes) the subject of the sentence and follows a linking verb.

* Linking Verb: The linking verb in this sentence is "sounded". Linking verbs connect the subject to a word that renames or describes it.

* Subject: The subject is "rain".

Therefore, "pleasant" describes the rain, making it the predicate adjective.