第1个回答 2011-03-02
There is/are sth on /in/at somewhere.
否定:There isn't/aren't...
疑问:Is/Are there anything...本回答被提问者采纳
第2个回答 2011-03-02
否定句:There be not ...
疑问句:Be There....?
第3个回答 2011-03-02
There are some books on the desk.
There aren't any books on the desk.
Are there any books on the desk?