Составить утверд.предложение,отрицательное,спец. вопрос и общей first i (took off )my coat, then i went to the bathroom

First I took off my coat, then I went to the bathroom.
 I didn't take off my coat first, then I didn't go to the bathroom.
Did you take off your coat first and did you go to the bathroom then?
Who took off your coat first and who went to the bathroom then?