There are some old watches in the box.(改为单数句)

There are some old watches in the box.(改为单数句) There are some knives in the box.【改为单数】 There are some old men in the classroom改为单数句 There are some pencils in the box(改为否定句) There are some children helping the old 改为单数句 There are some There are some eggs in the basket改为单数句 There are some oranges in the fridge.改为单数句 There are some flowers in the park.(改为单数句) are there any eggs in the box?改为单数形式 There are some children heiping the old.改为单数 1、There are some children helping the old.（改为单数句） There are some apples in the box.改为一般疑问句