介词+关系代词适用于哪种结构的定语从句（缺不缺主宾表定），充当什么成分，相当于哪种结构？

Question

如题所述

Answer 1

定从中，介词十关系代词，with whom,for whom, in whi-ch, at which, on which,等是在当介词宾语时用的。而介词十which等于where, when. for example, She is the girl for whom I hav-e been longing. whom作for的宾语，在从句中也是当宾语。她就是我一直要想要找（梦寐以求）的女孩。We came back to our primary s-chool yesterday in which（=where） we stu-died as children. 在从句中当地点状语。

Answer 2

介词在关系代词一般属于主句+ 定语从句
I like this library in which I can read a lot of
books. in which = where ； in which 在定语从句中充当地点状语。本回答被提问者和网友采纳