1. 英语被动语态中体现不出主语时,需要体会句子含义,进行相应的变化.
至于到底怎么变,要看具体句子而定,没有固定的说法.
如：The novel was written in 1998.
可以变成：Somebody wrote the novel in 1998.
2. 被动语态划分句子成分的时候,主语就是被动动作的承受者.
如The novel was written in 1998.的主语就是the novel.