请问：It was discovered dashed into pieces in his garden,语法上是如何解释呢,是省略了dashed前的be吗
问题描述：
请问：It was discovered dashed into pieces in his garden,语法上是如何解释呢,是省略了dashed前的be吗
答
人们发现它在他的花园里,已经被撞成了碎片.
dashed这里是形式主语it的补足语,即主语补足语.
先把这句话变成主动语态,就好理解了：
People discovered it dashed into pieces in his garden.
主语:people
谓语:discovered
宾语：it
宾语补足语：dashed into .
当变成被动语态时,原来的宾语it变成了主语,所以原来的宾语补足语也变成了主语补足语.
这种结构是固定的,前面不能加be.