介词加关系代词怎么用啊，可以举几个例子讲解一下吗,介词加关系代词的用法。
网友回答
There are 20 boys, 10 of whom are good at playing basketball.
of为介词，whom为关系代词，指代前面的“20boys”
2. He bought a house in which a rich man had ever lived.
in为介词，which 为关系代词，指代前面的“a house”
网友回答
对的。这里的介词加关系代词是这样子的：
The view which we should be conscious of is that
The question which we need to concentrate on is that
The questiono which we concerned about is
介词是定语从句里谓语部分的介词，但是在定语从句中出现介词时习惯性的会提到限定词which、whom之前，避免结构的失衡，使句子看起来有美感~