定語從句中關(guān)系副詞有when, where,why, how等，其代替前面的先行詞，在從句中有著時(shí)間狀語，地點(diǎn)狀語，原因狀語的作用。另外也可用介詞+which的結(jié)構(gòu)。比如from which, of which, in which等。
1.在從句中作時(shí)間狀語

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

我仍舊清晰地記得我第一次離開父母的那一天。（when 修飾the day）

B.Who knew the time when the last train came?

誰知道最后一列火車到來的時(shí)間。

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

從他將要去上大學(xué)的那一年起，他懂了很多。

2.在從句中作地點(diǎn)狀語
A.Chongqing is the city where she was born.
重慶市她出生的城市。

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

我已經(jīng)生活了三年之久的地方將會(huì)有一個(gè)大的變化。

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

在我去過的這座城市經(jīng)濟(jì)發(fā)展已經(jīng)取得了巨大的進(jìn)展。

3.在從句中作原因狀語
A.Perhaps, that`s the best way to reveal the reason why the expenditure of living has rose.
可能這是最好的方式揭示生活花費(fèi)上漲了的原因。（這個(gè)句中why可以用for which來替換，從句可以寫成”for which the expenditure of living has rose”）

B.I don`t understand the reason why Lisa dropped out in junior school.
我不明白為什么麗薩在中學(xué)輟學(xué)的原因。（同樣的，該句從句可以改寫成”for which Lisa dropped out in junior school”）

C.The way in which he overcame difficulties gave us much brainwaves.
他戰(zhàn)勝困難的方法給了我們很多啟發(fā)。