A prepositional phrase is a group of words that lacks either a verb or a subject, and that functions as a unified part of speech. It normally consists of a preposition and a noun or a preposition and a pronoun.
We should have considered more security options for our network.
Inside the last homely home, A)elves
Inhabited the last homely home
Hope this helps
To choke on something ..gagged is the past tense of gag