定语从句中先行词用法

如题所述

通常情况下,先行词和定语从句是挨着的,但是在不引起歧义的情况下,可以把定语从句和先行词分开,这叫分隔定语从句。
例:He is a student in my school who often helps others.
先行词是student与从句分开。因为定语从句的先行词是名词或代词。所以这句话中有可能是先行词的词是He,student,school,但是从句的引导词who的先行词只能是人,所以排除school,再通过翻译,所以确定,先行词就是student。从句没有和先行词挨着,因为我们经过判断知道了他要表达的意思。所以从句可以和先行词分开。
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第1个回答  2012-09-27
先行词,就是关系代词所代的词。关系代词由先行词决定,先行词不受限制。
第2个回答  2012-09-25
定语从句对先行词没有特殊的规定,一般来说,名词和代词都可以作为先行词。

其中特别注意,如果关系词用why,其先行词只能是reason。其他的,先行词无特别规定。
第3个回答  2012-09-25
1.关系代词有:
that,which,who,whom,在定语从句中作主语、宾语或表语,whose 作定语。
代人的有:who,whom,whose,that;代物的有:that,which,whose.
例如:
The man who helped you is Mr White.(who代人,在定语从句中作主语)
That is the person(whom/who/that) you want to see.
(whom,who,that代人,在定语从句中作宾语,可省略)
I’m not the fool(that) you thought me to be.(that代人,在定从中作表语)
A dictionary is a useful book which(=that) tells us the meaning of words(which 或that代物,在定从中作主语)
2.关系副词有:when(指时间),where(指地点),why(指原因),在定语从句中作状语。
例如:Would you suggest a time(when) we can have a talk?(when可省略)
The house where they live is not very large./This is the reason why he did not came to the meeting.
注意:不是表时间的先行词都用when引导定从,不是表地点的先行词都用where引导定从。例如:We’ll visit the factory which(=that) makes radios.
(which或that在定从中作主语,where不可用主语,故不可用)
They still remember the happy days(which/that) they spent in Beidaihe.
(which或that在定从中作spent的宾语,when不可作宾语,故不可用)
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