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非限制性定语从句which

时间:2022-01-20 16:07:33 英语 我要投稿

非限制性定语从句which

  非限制性定语从句是先行词的附加说明,去掉了也不会影响主句的意思。以下是小编整理的非限制性定语从句which,希望对大家有帮助。

  非限制性定语从句which 篇1

  which引导的非限制性定语从句既可以指整个句子内容,也可以指句子的部分内容(如单词或词组等),在句子中可以作主语、宾语(动词或介词的)、定语等。注意它在句子中的位置:只能放在主句后,不能放在主句前。表达的内容是"不好的"、"事先没有预料到的"等时,常用which,只指物。

  [例句]

  Yellowstone National Park,which is in Wyoming,is one of the most beautiful national parks in the world. 黄石国家公园位于怀俄明州,是世界上最美丽的国家公园之一。

  The clock,which my grandfather bought,is still in good order. 这时钟是我祖父买的,现在还走时很准。

  The picture,for which he paid an enormous amount of money,was a forgery.

  那幅画他花了一大笔钱购买,却是幅赝品。

  She changed her mind again,which made us all angry. 她又改变了主意,这使我们大家都生气了。

  I lived three years in Paris,during which time I learned French. 我在巴黎住了三年,在那期间我学了法语。

  The weather turned out to be very good,which was more than we could expect. 天气结果转晴,这是我们没有预料到的。

  非限制性定语从句which 篇2

  我们知道,as和which作为关系代词都可以用来引导非限制性定语从句,指代整个主句所表达的内容,在从句中作主语或宾语,但它们在用法上有区别,这一点许多学生往往搞不清楚。现就它们引导非限制性定语从句的用法简述如下:

  一、相同之处

  当从句位于主句之后,引导词指代整个主句所表达的全部意义时,as和which可以互换。如:

  The elephant is like a snake,as/which everybody can see.

  大家都看得出,这头大象像条蛇。

  A big earthquake occurred there last night,as/which was reported on TV.

  据电视报道,昨夜那里发生了大地震。

  She is from Shanghai,as/which I know from her accent.

  她来自上海,那是我从她的口音知道的。

  二、不同之处

  1、as引导非限制性定语从句时,位置比较灵活,可位于主句之前,也可位于主句之中或之后;而which引导非限制定语从句只能位于主句之后,不能位于主句之前。如:

  _______ is known to everybody,the moon travels round the earth.

  A.It B.As C.That D.Which

  答案:B

  _______ is mentioned above,the number of the students in senior high schools is increasing.

  A.Which B.As C.That D.It

  答案:B

  Air,as we know,is a gas.众所周知,空气是一种气体。

  He is very careful,as his work shows.

  他的工作表现表明他非常谨慎。

  as引导非限制性定语从句常有“如同......那样”的含义,因此在一些固定结构中,如:

  as we know;as is known to all(众所周知)

  as we all can see(正如我们大家都能看到的那样)

  as has been said before/above(正如前面所述)

  as has been pointed out(正如所指出的那样)

  as might be imagined(可以想象得到)

  as might be expected(正如所预料的那样)

  as is often the case(情况通常是这样)

  以上种种固定搭配,一般不能用which代替as。

  2、搭配上,在由the same或such所修饰的名词后通常用as作关系代词引出非限制性定语从句。如:

  I have got into the same trouble as he (has).

  我遇到了与他一样的麻烦。

  I've never heard of such a moving story as he is telling.

  我从未听过像他讲得那么有趣的故事。

  3、which引导的从句在意义上相当于一个并列句,可以用and this代替,意思是“这件事”;as引导的'从句主要起连接上下文的作用,表达说话人的观点、看法,并指出主句内容的根据或出处等。如:

  He sold his new car,which surprised me.

  =He sold his new car,and this serprised me.

  Einstein,as we know,is a famous scientist.

  我们都知道,爱因斯坦是一位著名的科学家。

  As is known to all,Taiwan is part of China.

  众所周知,台湾是中国的一部分。

  4、当which在从句中指代的是先行词本身而不是主句时,不可用as代替which。如:

  The peach tree,which I planted last year,has not borne any fruit.

  这棵桃树是我去年种下的,还没有结出任何果实。

  The book,which I bought yesterday,is very instructive.

  我昨天买的这本书很有教育意义。

  5、在从句中作主语时,which既可作系动词be的主语,也可作实义动词的主语,而as只可作系动词be的主语。如:

  He married her,which was nature.(可用as代替which)

  他和她结婚了,这是很自然的事。

  She met the boy,which delighted her.(不可用as代替which)

  她见到了那个男孩,这使得她很高兴。

  He failed in the exam again,which made his parents very angry.

  他考试有不及格了,这是他父母很生气。

  6、as引导的从句在意义上不可与主语相悖,而which引导的从句则不受此限制。

  Mum treats me like a baby,which I can't bear.

  妈妈把我当小孩看待,这是我不能忍受的。

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