Question

a couple of谓语动词用单数还是复数，可修饰什么

Answer 1

通常a
couple
of后面用复数名词，它的意思相当于a
few.a
couple
of
days的意思相当a
few
days.这类词组作主语时，谓语动词常用复数形式，例如：A
couple
of/
a
few
days
have
passed.
但用于there
be的句型时，因为习惯上要遵循就近一致的原则，所以一般用单数的动词形式，例如：There
is
a
couple
of
vacant
rooms
behind
the
office.

Answer 2

a
couple
of+n(c).作主语时谓语动词通常用单数
它有两个含义
1.两个
e.g.there
is
a
couple
of
boys
waiting
for
you.
2.一些，几个
e.g.i
don't
know
why
i
feel
so
tired,
i
only
had
a
couple
of
drinks