关于 被动语态
问题描述：
关于 被动语态
My homework______(do) already.
A new bridge_______(build) now.
该如何填写?并且麻烦说一下理由,为什么要这么写
答
has been done
首先因为有already,所以用完成时态.
然后my homework 物做宾语,加上它是单数,所以用被动has been done.
is being built
首先因为有now 用现在进行时
然后bridge 做主语,需要用被动.
所以是is being built