定語從句
4、關係代詞做狀語 when , where, why.
It snowed in 1995, in 1995, I went to university （有逗號，非限制性定語從句，這句話對的）
It snowed in 1995 in which I went to university-------in which 做狀語
It snowed in 1995 when I went to university
I remember the day , on the day, I married her
I remember the day,on which I married her
I remember the day when I married her ---- when 做時間狀語
（表示某一年用介詞 in ; 表示具體某一天用介詞 on ）
When = 介詞+which 表示時間狀語
Last year, I visited the village, In the village, I spent my childhood
Last year , I visited the village in which I spent my childhood
Last year, I visited the village where I spent my childhood ---where 地點狀語
Last year, I visited China. in China , there are many population.
Last year, I visited China where there are many population.
Where= 介+which
I know the reason,for the reason, the boss married her
I know the reason for which the boss married her
I know the reason why the boss married her --- why 原因狀語
Why = for+which
5、非限制性定語從句（有逗號分隔的定語從句）:who, whose, which, as ，不用that
I will go to see my wife who lives in Japan.
我要去看那個住在日本的妻子。(錯誤)
I will go to see my wife ,who lives in Japan
我要去看我的妻子， 我的妻子住在日本。
I am a teacer , whose father is a farmer
我是個老師，我的父親是個農民
My father gave him a lot of money, which makes me angry.
我父親給了他很多錢，這件事讓我很生氣。
注：Which在非限制性定語從句代表前面的整句話。
The moon，which moves around the earth is beautiful
月亮圍繞著地球轉，它很漂亮。
注：Which 也可以代表前面的名詞
As you know, he didn’t go to school yesterday.
正如你所知道的一樣，他昨天沒有去上學
He didn’t go to school yeseterday,as you know
注意：在非限制性定語從句裡不能用that .
As 與 which 的區別：
①引導限制性定語從句時，在such, as, the same後只能用as，其他情況用 which。如：
1、I never heard such stories ashe tells. 我從未聽過他講那樣的故事。
2、It’s the same story as I heard yesterday. 這故事跟我昨天聽到的一樣。
3、This is the photo which shows my house. 這張照片拍的是我的住宅。
② 引導非限制性定語從句時，有時兩者可互換。如：
I live a long way from work, as [which] you know.
我住得離工作單位很遠，這你是知道的。
③但在在以下情況引導非限制性定語從句時，兩者不可換用。如：
1、 當從句位於主句前面時，只用 as。如：
As is known to everybody, the moon travels round the earth once every month. 月球每月繞地球轉一週，這是每個人都清楚的。
the moon travels round the earth once every month，which（as）is known to everybody,
2、 as 引導的非限制性定語從句應與主句在意義上和諧一致，which無此限制：
He went abroad, as [which] was expected. 他出國了，這是大家預料到的。
He went abroad, which was unexpected. 他出國了，這讓大家感到很意外。(不用as)
3、 as 引導非限制性定語從句時，先行詞通常不能是主句中某個具體的詞，而應是整個句子、整個短語或某個短語推斷出來的概念，而which 則無此限制。如：
The river, which flows through London, is called the Thames.
這條流經倫敦的河叫泰晤士河。(不用as)
4、當as 引導非限制性定語從句作主語時，其謂語通常應是連繫動詞，而不宜是其他動詞，而 which則無此限制：
She has married again, as [which] seemed natural.
她又結婚了，這似乎很正常。
She has married again, which delighted us. 她又結婚了，這使我們很高興。
1、 定語從句有多少個連詞，這些連詞做什麼語法成分？
2、 定語從句和名詞性從句比較，連詞比較。
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