定语从句中as的用法如何?
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as引导定语从句主要有这样几种情况:
1、先行词前有the
same或such
修饰时,
如
I
bought
the
same
kind
of
pen
as
Peter
does.
我买了和彼得一样的钢笔。
I
want
such
a
pen
as
you
bought.我想要一支和你买的那支一样的钢笔。这种用法,也可以的理解相当于as比较状语从句。但也有区别:定语从句中必须缺少名词性成分如主语或宾语,一般是宾语,且与先行词有相同意思的关系,先行词是名词或不定代词;as引导的比较状语从句,从句结构可以是完整句,也可以是缺名词性成分,尤其是宾语,但主句中找不出定语从句先行词概念。如I
did
it
as
my
father
told
me.
我上按父亲提示的那样做的。 When
in
Rome,
do
as
the
Romans
do.
入乡随俗。
2、众所周知表达的插入语,无论放在句首还是放在句末都可以理解为as引导的非限定性定语从句,其先行词概念往往属于整句先行词,如As
we
know,
he
is
a
good
student.
就我们所知,他是一名好学生。
The earth
moves
around
the
sun,
as
is known
to
us
all.
众所周知,地球是围着太阳运行的。
1、先行词前有the
same或such
修饰时,
如
I
bought
the
same
kind
of
pen
as
Peter
does.
我买了和彼得一样的钢笔。
I
want
such
a
pen
as
you
bought.我想要一支和你买的那支一样的钢笔。这种用法,也可以的理解相当于as比较状语从句。但也有区别:定语从句中必须缺少名词性成分如主语或宾语,一般是宾语,且与先行词有相同意思的关系,先行词是名词或不定代词;as引导的比较状语从句,从句结构可以是完整句,也可以是缺名词性成分,尤其是宾语,但主句中找不出定语从句先行词概念。如I
did
it
as
my
father
told
me.
我上按父亲提示的那样做的。 When
in
Rome,
do
as
the
Romans
do.
入乡随俗。
2、众所周知表达的插入语,无论放在句首还是放在句末都可以理解为as引导的非限定性定语从句,其先行词概念往往属于整句先行词,如As
we
know,
he
is
a
good
student.
就我们所知,他是一名好学生。
The earth
moves
around
the
sun,
as
is known
to
us
all.
众所周知,地球是围着太阳运行的。
2011-01-25
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关系代词as 引导的定语从句
as
1. as 可以在定语从句中做主语或宾语,代表前面整个句子。如:
He married her, as was natural. 他跟她结婚了,这是很自然的事。
He is honest, as we can see. 他很诚实, 这一点我们看得出来。
2. as 引导的非限制性定语从句可以放在主句之前、主句之后,甚至还可以分割主句。 另外,as 常常有“正如、正像”的含义。如:
As is known to all, China is a developing country. 众所周知,中国是发展中国家。
He is from the south, as we can know from his accent. 他是南方人,这一点我们从他的口音可以知道。
John, as you know, is a famous writer. 正如你所知, 约翰是个著名作家。
1. 当先行词受such, the same 修饰时,关系词常用as。 如:
I’ve never heard such stories as he tells. 我从未听过象他讲的这样的故事。
He is not such a fool as he looks. 他可不象他看上去的那样傻。
This is the same dictionary as I lost last week. 这部词典跟我上星期丢失的一样。
注意:当先行词受the same 修饰时,偶尔也用 that引导定语从句,但与as引导的定语从句意思有区别。如:
She wore the same dress that she wore at Mary’s wedding. 她穿着她在玛丽婚礼上穿过的同一条连衣裙。
She wore the same dress as her younger sister wore. 她穿着跟她妹妹所穿的一样的连衣裙。
as
1. as 可以在定语从句中做主语或宾语,代表前面整个句子。如:
He married her, as was natural. 他跟她结婚了,这是很自然的事。
He is honest, as we can see. 他很诚实, 这一点我们看得出来。
2. as 引导的非限制性定语从句可以放在主句之前、主句之后,甚至还可以分割主句。 另外,as 常常有“正如、正像”的含义。如:
As is known to all, China is a developing country. 众所周知,中国是发展中国家。
He is from the south, as we can know from his accent. 他是南方人,这一点我们从他的口音可以知道。
John, as you know, is a famous writer. 正如你所知, 约翰是个著名作家。
1. 当先行词受such, the same 修饰时,关系词常用as。 如:
I’ve never heard such stories as he tells. 我从未听过象他讲的这样的故事。
He is not such a fool as he looks. 他可不象他看上去的那样傻。
This is the same dictionary as I lost last week. 这部词典跟我上星期丢失的一样。
注意:当先行词受the same 修饰时,偶尔也用 that引导定语从句,但与as引导的定语从句意思有区别。如:
She wore the same dress that she wore at Mary’s wedding. 她穿着她在玛丽婚礼上穿过的同一条连衣裙。
She wore the same dress as her younger sister wore. 她穿着跟她妹妹所穿的一样的连衣裙。
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定语从句特殊关系词as的用法
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在限定性从句中用于一些固定结构;such....as ;the same...as 在非限定性从句中,往往可以指代整个主句内容,放于主句之前
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记住这两个例句就可以了:
1、As is known to all,+句子
2、the same ...as\such...as
在初高中基本就这两个模式,记住就可以了~~
1、As is known to all,+句子
2、the same ...as\such...as
在初高中基本就这两个模式,记住就可以了~~
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