那请问那个when是时间状语从句吗?整个句子的主干是to imagine a time is difficult 如题It is difficult to the point of impossibility for the average under the age of forty to imagine a time when high quality art criticism could
网友回答
It 作形式主语,句子真正的主语是to imagine a time
to imagine a time is difficult 是句子的主干.when是时间状语从句.
======以下答案可供参考======
供参考答案1:
大神，你的原题呢？
供参考答案2:
the point of impossibility for the average under the age of forty 是主语 而it只是形式主语
供参考答案3:
这个句子的主干是when引导的从句
供参考答案4:
我觉得应该是when引导的定从，限定a time