Rome wan't built in a day.

问题描述:

Rome wan't built in a day.
这话句怎么看出来是被动高语态的?翻译是,罗马不是一天建成的.
哪来的被动语态?
我知道是Be done

是Rome wasn't built in a day.
was built 是被建造
wasn't built 是其否定
be done是被动语态的标志.
直译是:罗马不是一天被建成的