文档介绍：定语从句知识点汇总
一、先行词
关系词
关系代词:
关系副词:
分类
限制性定语从句:对先行词有限制,区分的作用,并与先行词有着不可分割的关系,不能省略
非限制性定语从句:对先行词起补充说明的作用,可省略不会影响主句的意思,与主句用逗号隔开
区别:
限制性定语从句
非限制性定语从句
与先行词关系密切,删除后会影响整个句子意思的表达
不用逗号分开
可用关系代词that
关系代词可省略(that,which,who在从句中作宾语可以省略)
关系代词可以替代,whom作宾语时可用who或that替代
读时不停顿
只可以修饰名词或代词,不可修饰句子
非限制性定语从句的特殊情况
,又可以做非限制性的定语从句,其含义不同
There are 20 students in this class who are from the north of China.
There are 20 students in this class,who are from the north of China.
关系代词that和关系副词why不能引导非限制性定语从句
关系词的用法
,that
which指物,在从句中作主语,宾语
that指人或物,指人可与who,whom互换;指物可与which互换
,whom
从句中的介词提到关系代词词前,whom作宾语,不能用who代替
In our class there are 46 students, of whom half wear glasses.
先行词为指人的one,ones,anyone或those时,关系代词用who;双重定语从句中一个定语从句的关系代词是that,另一个指人的关系代词用who。
whose
表示“……的”。可指人或物。用来指物时,
whose+名词=限定词+名词+of which=of which+限定词+名词
The house whose windows face south is ours.
The house the window of which face south is ours.=The house of which the window face south is ours.
as
作为关系代词可指人或物,在从句中作主语,宾语或表语。
一般用于such...as 、the same...as 、as...as结构中,表示“像”的意思
We have found such materials as are used in their factory.
They felt such heat in the jungle as they had never felt before.
He is not the same man as he was.
same...as/that...和such...as/that
①the same...as/that...
as引导的定语从句往往侧重方式:I bought the same phone as you bought.
that引导的定语从句侧重指同一个对象:I met the same per