这里是否该用被动语态

问题描述:

这里是否该用被动语态
It's a very difficult dearm to achieve.
"to achieve"是否因该改成”to be achieved“

要 在主系表结构中 只要能加上 for sb.就不用被动加不上 就要用被动 比如It's a very difficult dearm to achieve.就加不上.这句话要是这样改可加上for sb.就不用被动了 The dream is very difficult for me to achi...