从句可分为主语从句,宾语从句,表语从句,定语从句,同位语从句以及状语从句.
除了状语从句外,其它从句的分主从句的方式完全相同.即找出主从句的引导词,引导词之前就是主句,之后是从句.
状语从句有点区别.若句中没有逗号,那么判别方式和上面一样,如果句中有逗号,那么逗号前是从句,后是主句.
eg
i
was
watching
tv(主）
when
he
arrived
there（从）.
when
he
arrived
there（从）,i
was
watching
tv.（主）
we
will
go
for
a
picnic
if
it
doesn't
rain
tomorrow.
if
it
doesn't
rain
tomorrow,we
will
go
for
a
picnic
有些定语从句可能也会和状语从句有相同的判别方式
as
is
known
to
us,
taiwan
is
a
part
in
china.
时间紧迫，要开会去了．如果你还有什么不懂的，尽管发信息问我，无任欢迎
从句的作用就是充当主句的成分.通常情况下从句前面有引导词.(that
what
who
where之类的).最简单的办法就是找引导词.引导词后面的就一定是从句.但是如果想彻底搞清这个问题,你要先学会分析简单句的句子成分.然后再进一步分析复杂句中,主句少什么成分,从句就是充当什么成分.
下成这几个例子是不同的从句.已经把从句用刮号标出了.
表语从句：This
is
(what
I
want
to
know).
宾语从句：He
was
afraid
(that
his
baby
would
touch
that
cat).
定语从句：I
want
to
have
the
book
(that
you
have
bought
yesterday).
状语从句：She
turned
on
TV
set
and
sit
down
(when
a
thief
came
into
her
room).
同位语从句：We
have
learned
the
news
(that
our
friend
won
the
game).
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