I can't forget the days （when）in which I lived with you.中能用during which 代替么?像这种介词+关系代词的表达,选择介词的标准是什么?

I can't forget the days （when）in which I lived with you.中能用during which 代替么?像这种介词+关系代词的表达,选择介词的标准是什么?
I can't forget the days （when）in which I lived with you.中能用during which 代替么?
像这种介词+关系代词的表达,选择介词的标准是什么?

I can't forget the days （when）in which I lived with you.中能用during which 代替么?像这种介词+关系代词的表达,选择介词的标准是什么?
不能用during
in/on/at which= when/ where
怎么选择得看你先行词是什么
比如说 I can't forget the moment at which...
at 用来形容moment
比如说 I can't forget last Monday on which...
on 用来形容 Monday一个single day

不能