（至于用什么介词需要看定语从句中动词或形容词的习惯搭配来确定）这句话对吗?用介词+which=关系副词介词+which可以代替when,where,why等Iwillneverforgetthedaysonwhich（when）westudiedtogether.我

Question

（至于用什么介词需要看定语从句中动词或形容词的习惯搭配来确定）这句话对吗?
用介词+which=关系副词
介词+which可以代替when ,where,why等
I will never forget the days on which（when）we studied together.我永远忘不了我们一起学习的日子.
This is the town in which(where) Shakespeare was born.这就是莎士比亚出生的城镇.
（至于用什么介词需要看定语从句中动词或形容词的习惯搭配来确定）

Answer 1

是正确的,但是why好像不能替代吧而且还要看从句中是缺少什么成分,如 This is the town which I visited last year. This is the town in which I lived last year. 第一句 which 在从句中做宾语,...