1. Did you ask me this question already? общий
Who did ask me this question already? специальный
You already asked me this question or another one? альтернативный
You already asked me this question, didn't you? разделительный
2. Did I refuse to participate in this project? общий
Where did I refuse to participate? специальный
I refused to participate in this project or in the school competition? альтернативный
I refused to participate in this project, didn't I? разделительный