Question

关于定语从句问个很白痴的问题.如何判断which前的介词用那一个.不是说这个。是说for which这些结构前的介词是怎

Answer 1

三个原则

1.依据从句中的动词与哪个介词搭配来判断,比如This is a book in which I’m not interested

2.根据先行词来判断,例如Do you know the speed at which the car is running?

3.根据具体句义来判断,比较下面两个句子

This is the bus on which the incident happened.

This is the bus by which I came to this town.