A question needs a question mark and an answer. A request doesn’t need an answer, so it doesn’t need a question mark. Don’t use question marks for requests.
Decide if you want or need an answer.
- Compare:
Can you please give me five copies of this article.
(request) - Did you write this article?
(Question, so I need an answer.) - Would you kindly fill out this application form.
Do you have any application forms?
