分析句子：The proportion of their lives spent doing such jobs is very high
问题描述：
分析句子：The proportion of their lives spent doing such jobs is very high
The proportion of their lives spent doing such jobs is very high.
这里spent为什么不用spenting,这里是什么结构?
答
这里可以看见,spent（done）是作为lives的定语的,修饰lives,即lives为spent的逻辑主语,并且和spent之间是被动关系,因为生命是“被花费”的,所以要用done的形式.这句话主句为The proportion is very high,意为比例非...