What is the prepositional phrase in sentence The sailor sang songs on shore?

The prepositional phrase in the sentence "The sailor sang songs on shore" is "on shore".

Here's why:

* Prepositional phrases consist of a preposition (in this case, "on") followed by its object (in this case, "shore").

* They act as modifiers, telling us more about the verb ("sang") or the noun ("songs").

* In this sentence, "on shore" tells us where the sailor sang the songs.