Answer:
The trees in front of her are tall.
Explanation:
Prepositional phrases contain a preposition and its object. It is often referred to as a "non-headed phrase". Since, in English, none of its constituents solely functions as the head of the phrase instead, the structure of the phrase is divided into two functional the preposition and its complement/object.
The preposition in a prepositional phrase can be a single word e.g "under", "to", "for" etc or can be multiple words e.g "next to", "instead of", "in front of", etc.
Similarly, its complement or object can be an adverb or a noun phrase.
So, the example of a sentence in which a preposition phrase whose object is a feminine pronoun modifies a plural noun in the nominative case is:
The trees in front of her are tall.
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Plural noun Preposition feminine pronoun
in
Nominative
case
