Robin Hood evaded the sheriff yet again.
The sheriff is here. He wants his wife's underwear back.
The sheriff is on his way, madam.
Our sheriff is right here.
It would be much cleaner as:"Can you have the sheriff serve the subpoena?"or - "Will the sheriff serve the subpoena?"
No, but they should be capitalised as Sheriff's Deputies.
You just said one
Your quarry dwelleth not here, Sheriff.
The participle phrase in the sentence is "riding a horse." It functions as an adjective to describe the sheriff and the action he is performing.
It is capitalized at the beginning of the sentence or when it forms part of the proper noun or when it precedes a person's name, or when it is used as a direct address. Examples: Sheriff Smith Where's the evidence, Sheriff?
He was a notorious bank robber who alluded the sheriff for years.
In the sentence "Riding a horse, the sheriff looked as if he had stepped out of a history book," the participial phrase is "Riding a horse." This phrase describes the sheriff and provides additional information about him at the moment he is observed. Participials are verb forms that function as adjectives, and in this case, "riding" modifies "the sheriff."
The proper noun is Sheriff Stone, the name (and title) of a specific person.
The present-participial phrase "riding a horse" is an adjective, modifying sheriff.
Robin hood ended Sheriff George's reign of Nottingham.