The math books are on the desk.改为否定句

改为否定句 The math books are on the desk. The math books are on the desk.改为否定句 改为否定句,The math books are on the desk. Are the books on the desk?改为否定句 There are some books on the desk.改为否定句 There are two books on the desk.改为否定句 There are some books on the desk.（改为否定句） There are _______bo 改变句型1.There are some books on the desk.(改为否定句)There are ____ There were some books on the desk.(改为否定句) Three books are under the desk.改为否定句 There are ten books in the desk改为否定句? There are some books on the desk.改为一般疑问句、否定句