过去式中的否定句一定要用单数吗?【比如这道：there __any ink bottles on the table t

过去式中的否定句一定要用单数吗?【比如这道：there __any ink bottles on the table t There are some hamburgers on the table 改为否定句用把are 变成is吗 there are some oranges on the table.改为单数句 There are some potatoes on the table.(改为单数句) There __(be) two bottles of water on the table. 改错 There's some bottles of juice on the table How many bottles are there on the table? 是什么意思? There are two boxes on the table改为否定句 There is some bread on the table. (改成否定句) there are some books on the table.(变为否定句 there are som keys on the table.改成否定句 There are some apples on the table 改为否定句