There are some pencils in the the drawer.怎样改为疑问句

There are some pencils in the the drawer.怎样改为疑问句 There are some erasers in the drawer. There are some pencils in the box(改为否定句) There are some bananas in the bag.改为一般疑问句 There are some pandas in the zoo(改为一般疑问句) There are some teachers in the classroom.改为一般疑问句 There are some books in the bookcase 改为一般疑问句 There are some ducks in the lake.(改为一般疑问句) There are some birds in the tree改为一般疑问句 there are some fish in the rivers改为一般疑问句 There are some computers in the office.(改为一般疑问句) There are some fish in the river. (改为一般疑问句)'