There is a book on the desk 怎么变成一般否定句?

There is a book on the desk 怎么变成一般否定句? There is a book on the desk.(改为否定句) There is a book on the desk(改成否定句和一般疑问句） there is a( book )on the desk 句型转化 改为否定句 一般疑问句 肯否回答 括号内提问 there is a book on the desk.变否定,变一般疑问句,回答. There is a book and a pen on the desk.(变为否定句) 帮下忙啦 there is a book under the desk变一般疑问句和否定句 There is a book on the desk.(变为否定句） there is a book on the desk改为复数句 there is a storybook on the desk改成否定句 There is a light on the desk.【改为否定句】 There is a light on the desk.改为否定句