what which that引导表语从句时区别，what which也和that一样不做成分么

Question

如题所述

Answer 1

1.that引导的表语从句
(1)名词主语+be+that从句
eg:The
fact
is
that
i
was
in
the
garden
when
the
robbery
happened.
(2)wh-引导的主语从句＋be＋that从句
eg:What
surprised
me
most
was
that
all
the
pupils
were
unusually
quiet.
2.wh-疑问句引导的表语从句
wh-疑问词引导的表语从句采用陈述句的语序
(1)This/That
+be+wh-疑问词引导的从句
eg:That
is
why
she
stopped
her
own
research
and
joined
in
ours.
(2)名词主语+be+wh-疑问词引导的从句
eg:The
trouble
is
where
we
can
get
the
things
we
need.