They are looking out of the window 变为否定句

问题描述:

They are looking out of the window 变为否定句
一边疑问句 肯定回答 否定回答 对划线部分提问 划线的是looking out of the window

They aren't looking out of the window .一边疑问句 肯定回答 否定回答 对划线部分提问 划线的是looking out of the windoware they looking out of the window?yes, they are ./no ,they are not.what are they doing ?