Переклад - Турецька-Англійська - soyle dalindan dusun yaprak artik yasarmi

kfeto, if you need to keep that "if" in the sentence, it can't have a question mark at the end since it would not be a question.
On the other hand, if it's a question you should remove that "if" and invert the verb and subject so that it turns into a question.

What do you say?

ok