Could you please hold the ball 改否定

Could you please hold the ball 改否定 将could you please hold the ball改为否定句 Could you plase hold the ball?【改为否定句】 could you hold please? could改否定Could you please .改否定怎么改,不会是直接加NOT吧 Could you please open the window?（改为否定句） Could you please __ could you please open the door?改为否定句 Could you please open the window改成否定句 could you please open the door否定句 Could you please take out the trash?【改为否定句】 改为否定句Could you please turn off the TV Could you please open the window?改为否定疑问句