there are some books on the book–shelf.（写成一般疑问句和否定句）

there are some books on the book–shelf.（写成一般疑问句和否定句） The teacher has some books on the shelf.否定句,一般疑问句、否定回答 the are some books on the shelf.[改为否定句] There are some books on the desk.改为一般疑问句、否定句 There are some english books on the shelf(改一般问句,2种回答,否定回答） 1.There are some books on the shelf (先变为单数句再变为疑问句) There are some books on the table (一般疑问句） There are some pens on the desk.改为否定句和一般疑问句 There are some ducks on the lake变为否定句和一般疑问句,做两种回答 There are some books on the desk.(改为一般疑问句,并作否定回答) There are some books on the desk.(改为一般疑问句,作肯定、否定 There are some picture books on the shelf.改成否定回答