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.
1. I <em><u>will be trying</u></em> my best to win the match.
2. <em><u>Have</u></em> you visited Chitwan National Park?
3. Why have been the new promo just displayed by them?
4. She <em><u>never prefers tea to coffee</u></em>.
I'm pretty sure the answer is A, the others don't fit very well.
Verb: Perhaps I am unfamiliar with what this word means
Adjective: what a meaningful gift you got me!
Noun: what’s the meaning of this word?
