本试题 “Europe has achieved more in controlling the AIDS virus than Asia in the past ten years, ______ thenumber of people infected with the virus is going...” 主要考查您对关系副词
非限制性定语从句
等考点的理解。关于这些考点您可以点击下面的选项卡查看详细档案。
关系副词的概念:
关系副词兼有副词与连接词两种作用,在不及物动词的连接中要求用关系副词。关系副词有when, where, why。
关系副词的特点:
关于副词用于引出定语从句,主要有when, where, why:
如:Sunday is the day when very few people go to work. 星期日是没什么人上班的日子。
That's the reason why he dislikes me. 这就是他不喜欢我的原因。
Do you know a shop where I can find sandals? 你知道哪家商店我能找到凉鞋吗?
注:关系副词用于引出定语从句,且在从句中用作状语。关系副词when表示时间,where表示地点,why表示原因。
使用关系副词应注意的几点:
(1)how不能用作关系副词,不要想当然地将how用作关系副词置于theway后表示方式:他说话就是那个样子。
误:This is the way how he spoke.
正:This is how he spoke./ This is the way(that, in which)he spoke.
(2)关系副词when和where既可引导限制性定语从句,也可引导非限制性定语从句,但why只能引导限制性定语从句,不能引导非限制性定语从句(若引导非限制性定语从句,可用for which reason)。
(3)引导定语从句时,when的先行词为时间,where的先行词为地点,why的先行词为原因(主要是the reason),但是反过来却不一定:
如:Don't forget the time(that) I've toldyou.不要忘记我告诉你的时间。
Do you know the house(that) he bought recently? 你知道他最近买的那座房子吗?
Please tell me there as on(that) you know. 请告诉我你所知道的原因吧。
关系副词的用法:
关系副词有when, where, why,作用有三个:
1、连接主句与从句;
2、代替先行词;
3、在从句中作状语,不可省略。
When和where既可引导限制性定语从句,也可引导非限制性定语从句。Why只能引导限制性定语从句。这些关系副词在意义上都相当于一定得“介词+which”结构。
1)when=at/in/on/during,在定语从句中作时间状语。
例如:Tell me the time when(at which) the train leaves.
注意:
①当表示时间的先行词在从句中中作主语或宾语时,不能用when。
例如:I will never forget the days I spent with your family.
②It/This/That+be+the first/second/last time that…句型中,that是习惯用法,不能用 when代替,that还可以省略。从句中使用与“be动词”呼应的完成形式。
例如:It is the first time that I have been to the Great Wall.
2)where表地点,只能跟在表示地点的名词后,它在定语从句中作地点状语。
例如:This is the second school where I used to teach.
注意:
①引导词where可用that替换,并经常可以省略。
例如:That's the place(where/that) we went before.
②当表示地点的先行词在句中作主语或宾语时,不用where,用关系代词that或which。
例如:The factory that/which we visited yesterday was built last year.
③where可与from连用。
例如:His head soon appeared out of the second story windows, from where he could see nothing but rees.
3)why表原因,引导的从句修饰名词reason。Why可用that或forwhich替换或省略。
例如:I don't know the reason(why/for which/that) he left here.
非限制性定语从句的概念:
非限制性定语是对被修饰名词或代词的附加说明,它不是必需的,如果去掉,也不会影响句子的意思,它与被修饰名词之间通常用逗号分开。
如:The travellers, knowing about the floods, took another road. 游客们知道发了大水,都改道走了。
The boys, wanting to play football, were disappointed when it rained. 那些男孩子想踢足球,因为下雨感到失望。
非限制性定语从句用法:
1、引导非限定性定语从句时,只能用which(不用that)。
例如:Heat is another form of energy, which is as important as other kinds of energy.
热是另一种形式的能量,与其他形式的能量一样重要。 (从句表补充说明,而且关系代词which不能换成that。)
2、引导非限定性定语从句的which可以指代前面的先行词,也可以指前面整个句子的含义。
例如:That Peter will marry Alice, which has not been announced yet, has spread around.
彼特要娶爱丽斯这件事还没宣布,却已传得沸沸扬扬。(句子中的which指“彼特要娶爱丽斯”这整个句子的意思。)
3、除which外,还可用when,where,who等关系代、副词引导非限定性定语从句。
例如:After graduation, I decided to stay in Chongqing, where I spent my childhood and four years of college life.
毕业后,我决定留在重庆,在那里我曾度过了我的童年和四年大学生活。
Albert Einstein left Germany for the United States during World WarII, when Jews were badly treated in Germany.
第二次世界大战期间,爱因斯坦离开德国去了美国,那时犹太人在德国受到不好的对待。
4、在限定性定语从句中作宾语时,引导词可以省略,但引导非限定性定语从句的关联词不能省。
如:He was eager to go to the hospital to see his stepmother, whom he loved and respected as his own mother.
他急于想去医院看望他的继母,他把他的继母当作亲生母亲一样热爱和尊敬。
The American journalist(whom/who) the announcer mentioned in the news broadcast is said to have been killed by the gangsters.
播音员在新闻广播中提到的那位美国记者据说已经被匪徒杀害了。
两例中的关系代词都在从句中作宾语。由于第二例是限定性定语从句,可以省略关系代词;第一例中的引导词不能省略,因为它引导的是非限定性定语从句。
5、表示“正如”的含义时,通常用as引导非限定性定语从句,也可用which引导;但置于句首时,只能用as引导。
如:China has basically succeeded in defeating SARS, which/as we have expected.
正如我们所预料的那样,中国已基本上战胜了“非典”。
As is well known to everybody, Tai wan is an inseparable part of China.
众所周知,台湾是中国不可分割的一部分。
但是当非限定性定语从句是否定含义时,就只能用which(而不用as)引导。
如:He didn't win the championship, which I hadn't expected.
他没获得冠军,这一点是我没预料到的。
非限制性定语丛句中as, which的区别:
1、which引导非限制性定语丛句代表前面的整个句子的时候,一般是对主句的结果的说明。
如: He grows too fast, which makes him taller than his classmates.
2、as引导非限制性丛句代表前面整个句子时一般来讲丛句的谓语动词有三种:
A. 含有be动词:
如:He failed the exam, as is natural.
B. 实意动词的被动形式:
如:As is reported, the fire caused a great loss.
C.感官动词和意识类动词如:
如:see, hear, notice, know, learn, realize 等。
As you know, I am a teacher.
3、as可翻译为正如,它引导的丛句可位于主句之前,也可位于主句之后;which引导的该丛句只能位于主句之后。
例1:__A___he realized, I was very useful to him.
例2:This elephant is like a snake, ___A__anybody can see.
例3:The sun gives us light and heat, __B___makes the plan tgrow well.
A. As(as)
B. which
C. that
D. who
限定性定语从句与非限定性定语从句的区别:
定 |
限制性定语从句 | 非限制性定语从句 |
1、不能省略,如果省略整个句子意思不完整。 | 可以省略,如果省略整个句子意思仍然完整。 | |
2、可以用that引导。 | 不可以用that引导。 | |
3、关联词有时可以省略。 | 关联词不可以省略。 | |
4、不用逗号把它和句子的其他部分隔开。 | 用逗号把它和句子的其他部分隔开。 | |
5、只能修饰先行词。 | 可以修饰先行词,也可以修饰整个句子或句子的一部分。 |
非限制性定语从句的关系词:
关系代词 | 指代对象 | 指代人 | 指代物 |
主格 | who | which, as | |
宾格 | whom | which, as | |
所有格 | of, whom, whose | which, of which, whose | |
关系副词:when, where |
非限定性定语从句的使用规则及注意事项:
1、which引导的非限定性定语从句是用来说明前面整个句子的情况或主句的某一部分。
2、在引导限定性定语从句时,that有时相当于in which, at which, for which或at which。其中,介词的选用,依据从句中的动词所需搭配的介词来选用。例句:
① Attitudes towards day dreaming are changing in much the same way that(inwhich)attitudes towards night dreaming have changed.
人们对白日做梦的态度正在改变,这与人们对夜间做梦的看法的变化有非常相似之处。
② I like the music for the very reason that(for which) he dislike it.
我出于某种原因喜欢这种音乐,而他恰恰与我相反。
③ We arrived the day that(on which) they left.
刚好我们到的那天他们走了。
3、as有时也可用作关系代词。
4、在非限定性定语从句中,关系词不能用that。
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