could you please...是表示请示的祈使句吗

题目

could you please...是表示请示的祈使句吗
the landlady asked,"could you please turn down your radio?"
改为间接引语是
the landlady asked me to turn down my radio.
直接引语变间接引语时,如果是祈使句要在动词原形前加to,谓语动词根据上下文变为ask/tell/order.那上面的这个例子是不是祈使句变为间接引语的例子呢?

答案

不是祈使句,祈使句一般都以动词原形开头（或者Don't）,是对对方的要求,请求或命令.原句是委婉的问句,是一般疑问句.改成间接引语的话,应该是“The landlady asked him if he could turn down his radio .”if也可以改...