Question

what which that 引导主语从句有何区别

Answer 1

1.
关系代词作介词宾语,即
介词+关系代词,指物只能用which
2.
非限制定语从句中,指物只能用which,亦可指整个前面的句子.
3.
what
一般指代主语
1.
that引导主语从句
that
they
were
in
truth
sisters
was
clear
from
the
facial
resemblance
between
them.
释义：很明显，她们确是亲姐妹，她们的脸型很相似。
how
strange
it
is
that
the
children
are
so
quiet!
释义：孩子们这么安静真奇怪！
2.
what引导主语从句
what可以在从句中充当主语和宾语：
what
she
did
is
not
yet
known.
释义：她干了什么尚不清楚。
what
makes
him
disappoint
isn’t
clear
untl
now.
释义：到目前为止，什么事情（东西）使他很失望还不清楚。
3.
which
引导主语从句，意思为哪一个，哪一些，一般后面需要紧跟名词，做具体说明是什么东西，是有范围的选择，而what是没有范围。
which
one
you
choose
is
right?
释义：你选择哪一个是正确的？

Answer 2

hat引导主语从句
That
they
were
in
truth
sisters
was
clear
from
the
facial
resemblance
between
them.
很明显，她们确是亲姐妹，她们的脸型很相似。
有时that可以放在句首，但当that引导的主语从句出现在疑问句中时，要以it作形式主语，而把主语从句后置。
Is
it
true
that
the
scientist
will
give
us
a
lecture
next
week?
当主语从句出现在感叹句中时，要以it作形式主语，而把主语从句后置。
How
strange
it
is
that
the
children
are
so
quiet!
孩子们这么安静真奇怪！
what引导主语从句
what可以在从句中充当主语和宾语：
What
she
did
is
not
yet
known.
她干了什么尚不清楚。
What
makes
him
disappoint
isn’t
clear
untl
now.
到目前为止，什么事情（东西）使他很失望还不清楚。
which
引导主语从句，意思为哪一个，哪一些，一般后面需要紧跟名词，做具体说明是什么东西，是有范围的选择，而what是没有范围。
which
one
you
choose
is
right.