There is a book that is on the desk

There is a book that is on the desk is there a book on the desk? There is a book on the desk that belongs to Frank. there is a book on the desk .please _____it_____.填空 There is a book and two pens on the desk. There is a book on the desk.(改为否定句) there is a book on the desk改为复数句 There is a t_____ book on the desk.补充单词 there is a book on the desk 翻译问题 There is a English book on the desk 改错 There is a book on the desk.划线部分提问,划线部分是on the desk. There is a book on the desk.中的on the desk是状语还是后置定语