The mother didn't know who to blame for the broken glass.为什么要用 to blame
问题描述:
The mother didn't know who to blame for the broken glass.为什么要用 to blame
为什么不是who was to blame ,而是who to blame ,不是有个短语是 sb be to blame
答
这里的主语是mother 相当于 mother to blame who ,who是疑问词提到前面.sb be to blame 是被责备的人是主语