The aim of this paper is to explain the syntax of yes/no questions in Ẹ̀dó language. In line with its aim, the paper answers two research questions. First, what is the structure of yes/no questions? Second, how is this structure derived? The study relies on primary data from a questionnaire survey and observation of the language in use, as well as secondary data from a textual corpus. The corpus shows Ẹ̀dó forms polar questions in two ways: the use of prosody and five question markers. This paper confirms the position of previous studies; these markers have distinct distributions. Notwithstanding, it posits Ẹ̀dó polar questions have the same structure. This submission is born