英语从属连词一定引导句子吗？

Question

从属连词一定引导句子吗，见过连接单个名词和介短的用法。。。 对于从属连词用法一般定义为引导从句，当上述情况是否为省略某种成分的用法。 请教高手！

Answer 1

建议不要细抠所谓的规则,否则容易机械化!~英语也是语言,宜活学活用,积累重要语言点(一些实实在在的例句,而不是所谓的“规则”),培养语感。
以下供参考!~
从结构上说,英语连接词分两大类:并列连词(coordinating
conjunctions)和从属连词(subordinating
conjunctions)。
并列连词连接两个或两个以上地位平等的字、词组或分句。例如:(1)
air
and
water
are
indispensable
to
me.
(2)
she
likes
going
out
with
friends
or
playing
outdoor
games.
(3)
most
workers
have
a
good
income,
so
they
look
very
happy.
从属连词连接两个或两个以上的分句,形成复杂句中的从属分句。例如:
(4)
he
said
that
he
did
not
want
to
go
.
(5)
many
things
have
happened
since
i
last
saw
him.
(6)
you
may
come
if
you
want
to.
从属连词用来连接各种从句。until(till)直到,在用until表达时间状语的句子中,主句中的动词是要十分小心去选择的。如动词是持续行动词,它要用肯定句,如:i
studied
hard
until
12
o'clock
last
night.如果动词是瞬间截止性动词,则要用否定句,如:he
didn't
go
to
bed
until
his
mother
came
back.由since,for,by,before,
来引导的时间状语从句。since
引导的时间状语是动作的开始时间,如:i
have
studied
english
since
1990.而by引导的时间状语通常是动作的结束时间,如:i
had
learned
25
english
songs
by
the
end
of
last
term.

Answer 2

建议不要细抠所谓的规则，否则容易机械化！~英语也是语言，宜活学活用，积累重要语言点（一些实实在在的例句，而不是所谓的“规则”），培养语感。
以下供参考！~
从结构上说，英语
连接词
分两大类：
并列连词
（coordinating
conjunctions）和
从属连词
（subordinating
conjunctions）。
并列连词连接两个或两个以上地位平等的字、词组或
分句
。例如：(1)
Air
and
water
are
indispensable
to
me.
(2)
She
likes
going
out
with
friends
or
playing
outdoor
games.
(3)
Most
workers
have
a
good
income,
so
they
look
very
happy.
从属连词连接两个或两个以上的分句，形成
复杂句
中的从属分句。例如：
(4)
He
said
that
he
did
not
want
to
go
.
(5)
Many
things
have
happened
since
I
last
saw
him.
(6)
You
may
come
if
you
want
to.
从属连词用来连接各种从句。until(till)直到，在用until表达
时间状语
的句子中，主句中的动词是要十分小心去选择的。如动词是持续行动词，它要用
肯定句
，如：I
studied
hard
until
12
o'clock
last
night.如果动词是瞬间截止性动词，则要用
否定句
，如:He
didn't
go
to
bed
until
his
mother
came
back.由since,for,by,before,
来引导的
时间状语从句
。since
引导的时间状语是动作的开始时间，如:I
have
studied
English
since
1990.而by引导的时间状语通常是动作的结束时间，如：I
had
learned
25
English
songs
by
the
end
of
last
term.

Answer 3

既然是从属连词
连接的肯定是句子
连接单个名词的
只是普通连词
如果连接介词短语的
应该是属于省略现象
比如
he
used
to
like
play
basketball
when
young
这里
由于
when
和
主句的主语一样
则
省略
后面的
he
is