How many prepositional phrases are in the sentence below?

"At the bottom of the steps she stands waiting, with a smile of ineffable joy, an attitude of matchless grace and dignity."

There are four prepositional phrases in the sentence given.

1. at the bottom of the steps 2. with a smile 3. of ineffable joy 4. attitude of matchless grace and dignity.

Explanation:

A prepositional phrase is a phrase consists of preposition and its object.

The first phrase is 'at the bottom of the steps', where the preposition of place, 'at', is used to refer to the object of the steps.

The second phrase is 'with a smile', where 'with' is the preposition of instrument, and it is used to refer to the object, smile.

The third phase is 'of ineffable joy' which refers to its object, describing the joy held by the author.

The final phrase is 'attitude of matchless grace and dignity', where of preposition is used again to describe the quality of the girl.