关系副词在定语从句中的作用

定语从句中关系副词有when, where,why, how等，其代替前面的先行词，在从句中有着时间状语，地点状语，原因状语的作用。另外也可用介词+which的结构。比如from which, of which, in which等。

　　1.在从句中作时间状语

A.I still remember clearly the day when I first left my parents.

我仍旧清晰地记得我第一次离开父母的那一天。（when 修饰the day）

knew the time when the last train came?

谁知道最后一列火车到来的时间。

the year in which he was going to college he began to know a lot.

从他将要去上大学的那一年起，他懂了很多。

　　2.在从句中作地点状语

gqing is the city where she was born.重庆市她出生的.城市。

place where I have lived three years will have a big change.

我已经生活了三年之久的地方将会有一个大的变化。

t progress has been made about economics development in the city in which I had visited.

在我去过的这座城市经济发展已经取得了巨大的进展。

　　3.在从句中作原因状语

aps, that`s the best way to reveal the reason why the expenditure of living has rose.可能这是最好的方式揭示生活花费上涨了的原因。（这个句中why可以用for which来替换，从句可以写成”for which the expenditure of living has rose”）

B.I don`t understand the reason why Lisa dropped out in junior school.我不明白为什么丽萨在中学辍学的原因。（同样的，该句从句可以改写成”for which Lisa dropped out in junior school”）

way in which he overcame difficulties gave us much brainwaves.他战胜困难的方法给了我们很多启发。