In summary,the fertility rates of these six countries fell in 2000 compared with 10 years ago.
问题描述：
In summary,the fertility rates of these six countries fell in 2000 compared with 10 years ago.
这里的compared对么还是要用comparing才对?
答
句子意思是：概括地说,这六个国家的生育率在2000年相比10年前下降了.
用compared是对的,因为句子的主语是生育率,所以此时需要用被动,因为这个比率是人去调查然后分析出来的,如果动作是句子主语作出的话,那就+ing了.