1. 答案：What/Who is there +（介宾/副词）?
2. 如：
1）There are many books on the desk.
如果对many books提问,则是：What is there on the desk?
2) There are a lot of Chinese abroad.
如果对a lot of Chinese提问,则是：Who is there abroad?
3. 以上句型虽然原句be动词都是复数形式,但是如果提问用what/who时,则必须改成单数. 原创回答团（第159号会员）