Quand les roses meurent-elles- When do the roses die

"Quand les roses meurent-elles ?"Translation:When do the roses die/ When do the roses fade away?Explanation:Generally it is not enough to add a question mark at the end of a sentence to make it a question.The sentence proposed here is a question. So you need to use one of the possible interrogative constructions that French has:FORMAL : quand les roses meurent-elles ? STANDARD : quand meurent les roses ? ORAL : les roses meurent quand ?French questions are not formed on the English pattern.There is always an inversion Verb-Pronoun in formal questions, even when the real subject is explicit: où vas-tu ? quand les roses meurent-elles ?