本文目录
英语的几种从句,举例说明
有三大类
1.名词性从句 2.定语从句 3.状语从句
名词性从句中分：
1.主语从句：例,it is important to read book.(形主it作主语,真正的主语是to read book)
that air has pressure was known long ago.(关联词that引导的句子that air has pressure作主语从句)
2.宾语从句：I think it necessary that he should do his homework.(形式宾语it引导的)
I'm sure that my test will succeed.(sure后用that引导的宾从)
3.表语从句：系动词后的从句
it may be as you say(be是系动词,后面用as引导的)
this is that he is too young to go to school.(有系动词is,后面由that引导的表语从句)
4.同位语从句：同位语从句是对前面名词的解释说明,如：
The facts that he had done his homework.(事实就是he had done his homework,是对前面the facts的解释,是什么事实)
定语从句：在句子中起定语作用,修饰剧中的名词或代词的从句叫定从
例：the man (who is shaking hands with my father) is my teacher.(括号中就是定从,修饰限定the man)
BeiJin is a city (which has a long history).(括号中是定从,修饰the city)
状语从句：在复合句中担任状语成分的从句叫状语从句
例：I will tell her about that (when i see her).为时间状从
just stay (where you are).为地点状语
Because he is ill,he is absent today.为原因状语
这也很局限,其实要讲的还很多,你可以多看看语法书之类的
英语八大从句类型与用法总结图
类型与用法总结如下：
一、定语从句：
在复合句中， 修饰名词或代词的从句叫定语从句，被修饰的名词或代词叫先行词，引导定语从句的有关系代词who，whom，whose，which，that等和关系副词where，when，why等，关系代词和关系副词在定语从句中担任句子成分。
二、状语从句：
表示“当…时候”的while, when, as的用法区别是：while从句中的谓语动词必须是延续性动词；表示带有规律性的“每当”或当主、从句谓语动词的动作发生有先后时，只能用when；当表示“一边…一边…”或“随着”时，只能用as。另外，用于此义的as所引导的时间状语从句谓语只能是动作动词，不能是状态动词。
三、名词性从句：
在句子中起名词作用的句子叫名词从句(NounClauses）。名词从句的功能相当于名词词组,它在复合句中能担任主语、宾语、表语、同位语、介词宾语等，因此根据它在句中不同的语法功能，名词从句又可分别称为主语从句、宾语从句、表语从句和同位语从句。
相关内容：
同位语从句：同位语从句是名词性从句中的主要从句之一，从句作同位语表示与之同位的名词(短语)的实际内容，它的作用相当于名词，对前面的名词(短语)加以补充说明或进一步解释，相当于一个表语从句，它们之间的关系就是同位关系，即主表关系。
定语从句：定语从句是由关系代词或关系副词引导的从句，其作用是作定语修饰主句的某个名词性成分，相当于形容词，所以又称为形容词性从句，一般紧跟在它所修饰的先行词后面。This is the reason why he refused to help us. 这就是他拒绝帮助我们的原因。
时间状语从句：用表示时间的连词连接一个句子作状语，这样的主从复合句就是时间状语从句。连接时间状语从句的连接词有：when, before, after, while, as soon as, until, since. We were about to leave when he came in. 我们就要离开，就在那时他进来了。
英语中有哪些从句类型
标准答案：
总体分：名词性从句、状语从句、定语从句
名词性从句：主语从句、宾语从句、表语从句、同位语从句
状语从句：时间、地点、方式、让步、条件、比较、方式、原因等、
定语从句：限定性和非限定性
英语中几大从句及其句型
按一般说法，可分为三大类14种从句。
一名词性从句4种。
1主语从句Whether
it's
right
or
not
remains
to
be
seen.
2宾语从句I
wonder
whether
it's
right
or
not.
3同位语从句This
is
a
question
whether
it's
right
or
not.
4表语从句The
question
is
whether
it's
right
or
not.
二形容词性从句2种
1限定性定语从句She
is
the
student
who
can
speak
English
well.
2非限定性定语从句She
is
the
student,who
can
speak
English
well.
三副词性从句8种
1时间状语从句The
fact
will
come
out
when
he
comes
here.
2地点状语从句You
can
go
wherever
you
like.
3原因状语从句Pay
more
attention
to
your
lessons
because
you
are
a
student.
4方式状语从句He
walks
as
if
he
were
a
king.
5目的状语从句She
went
to
Japan
so
that
she
could
learn
Japanese
well.
6结果状语从句She
went
to
Japan
so
that
she
learned
Japanese
well.
7条件状语从句I
will
understand
it
if
he
tells
me.
8让步状语从句He
knows
a
lot
though
he
is
little.
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