Could you ask the audience to please sit for a few minutes?
Explanation:
Imperative statements could be expressed in other to make diverse nature of statements in English language. The imperative statement might be used to issue a command such as :
Sit down!
Don't speak!
When dishing out instructions or issuing commands, imperative statements are usually in play. Imperative statements could also be used to make a request such as it is used in the question above ;
Could you ask the audience to please sit for a few Minutes?
Note the word "me", which is commonly used when the author is talking about his/herself. This means that it is through the perspective of the author, and so it's a first-person narration.
