定语从句中,that which 做主语能省吗?

which在定语从句中可以做主语吗? which在主语从句中做定语么 宾语从句中that做主语吗?which呢?谢谢! 定语从句中which后可加主语吗 造定语从句7个 that做主语指物 that做宾语指人 which做主语 which做宾语 who做主语 whose做主 定语从句where和that/which前者是做状语后者是做主语宾语是吗 定语从句问题定语从句中缺主语 如Is this the factory which ／that makes TV set 如果定语从句中that在从句中做主语,能不能换成what? 定语从句中,做主语时为什么不用which,是不能充当次成分么? 关于定语从句中which做引导词,能不能在从句中做主语,指代一个复数的名词? 定语从句中 in which=that 定语从句中什么时候用that,which