There are some postmen in the office 改单数 There are fourteen books on the bookshelf 改否定句

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Therearesomepostmenintheoffice改单数Therearefourteenbooksonthebookshelf改否定句Therearesomepostmenintheoffi

There are some postmen in the office 改单数 There are fourteen books on the bookshelf 改否定句
There are some postmen in the office 改单数 There are fourteen books on the bookshelf 改否定句

There are some postmen in the office 改单数 There are fourteen books on the bookshelf 改否定句
There is a postman in the office.
There are not fourteen books on the bookshelf .