Question

为什么冠词不与形容词性物主代词，名词所有格连用

Answer 1

因为他们同属于限定词。
限定词是在名词词组中对名词中心词起特指、类指以及表示确定数量和非确定数量等限定作用的词类。
1、冠词：a,
an,
the
2、形容词性的代词物主限定词my,
your,
his,
her,
our,
your,
their,
one's,
its.
名词属格John's,
my
friend's.
指示限定词this,
that,
these,
those,
such.
关系限定词whose,
which.
疑问限定词what,
which,
whose.
不定限定词no,
some,
any,
each,
every,
enough,
either,
neither,
all,
both,
half,
several,
many,
much,
(a)
few,
(a)
little,
other,
another.
3、数词：基数词和序数词、倍数词和分数词
4、量词：a
lot
of,
lots
of,
plenty
of,
a
great
of,
a
good
deal
of,
a
large
of,
a
small
amount
of,
a
quantity
of,
a
great
of,
a
good
number
of等。