Page 121 - Advanced English Grammar in Use

A / a n a n d o n e
Alan
and
one

I We use a before words that begin with a consonant sound. Some words start with a vowel letter
We use a before words that begin with a consonant sound. Some words start with a vowel Jetter
begin with a consonant sound, so we use a before these words, too:
but
but begin with a consonant sound, so we use a before these words, too:
a university (lo ju:n.../) a European (/a juar.../) (/a WAII.../)
a one-parent family (/a wan.../)
• * a.university (/o ju:n.../) a European (/a juar.../) a one-parent family
use an before words that begin with a vowel sound:
We
We use an before words that begin with a vowel sound:
an orange an Italian an umbrella
• * an orange an Italian an umbrella
include words that begin with a silent letter 'h':
These
These include words that begin with a silent letter 'h':
an hour an honest child
• * an hour an honest child
an honour an heir (= a person who inherits money etc., when someone dies)
an heir (= a person who inherits money etc., when someone dies)
an honour
abbreviations said as individual letters that begin with A, E, F, H, I, L, M, N, O, R, S or X:
rtand abbreviations said as individual letters that begin with A, E, F, H, I, L, M, N, O, R, S or X:
rtand
• an MP (Ion em pi:/) (/an ef bi: ai.../) (/an ai ao jo:/)
• Y. an MP (/on em pi:/) an FBI agent an JOU
an FBI agent (/an ef bi: al.../)
an IOU (/an al 30 jo:/)
abbreviations said as words:
But compare abbreviations said as words:
But compare
(lo neitau.../)
(/a fi:fa.../)
a NATO general
FIFA official
• * a NATO general (/o neitav.../} a a FIFA official (/a fi:fo.../)
use
singular countable nouns
before
also
(see
D We can use a/an before singular countable nouns (see also Unit 50).
a/an
Unit 50).
We can
we can use either a/an or one:
Sometimes we can use either a/an or one:
Sometimes
be
in Australia
(or a)
We'll
year.
for one
• ¢ We'll be in Australia for one (or a) year.
Wait here
be with you.
(or a) minute, and I'll
for one
• ¢ Wait here for one (or a) minute, and I'll be with you.
(or a)
hundred and eighty points.
She scored one
• ¢ She scored one (or a) hundred and eighty points.
Using one in sentences like these gives a little more emphasis to the number.
Using one in sentences like these gives a little more emphasis to the number.
talking about
if we want to emphasise that we
only
a/an
we
are
one
use
rather than
However,
However, we use one rather than a/an if we want to emphasise that we are talking about only
person
or
or more:
rather than two
thing
one thing or person rather than two or more:
one
want one sandwich or two?
you
Do
• ¢« Do you want one sandwich or two?
staying just one night?
you
Are
• « Are you staying just one night?
I just took one look at her and
she started crying.
• « I just took one look at her and she started crying.
a/an in the
use
one...other /
pattern
not
one,
another:
We
We use one, not a/an in the pattern one...other / another:
Close one eye, and then the other.
• « Close one eye, and then the other.
pollen
Bees carry
from one plant to
another.
• ¢ Bees carry pollen from one plant to another.
to mean
one day,
in phrases
spring, etc.,
one
a particular,
one evening,
use
such
also
as
one
We
We also use one in phrases such as one day, one evening, one spring, etc., to mean a particular,
day,
etc.:
unspecified
spring,
evening,
but
but unspecified day, evening, spring, etc.:
One evening, while he was working late at the
...
Hope to
see you again one day.
office
• ¢ Hope to see you again one day. • ¢ One evening, while he was working late at the office ...
' We don't use one when we mean 'any one of a particular type of thing':
We don't use one when we mean ‘any one of a particular type of thing':
one cup
I
of coffee.)
really
(not...
of coffee,
need
a cup
• ¢ I really need a cup of coffee. (mot ...one cup of coffee.)
You can
(not ...one paper clip)
never find a paper clip in this
office,
• * You can never find a paper clip in this office. (not ...one paper clip)
a/an,
as:
in number and quantity expressions
such
use
also
not one,
We also use a/an, not one, in number and quantity expressions such as:
We
half an hour
a year
(= about a
a quarter of an hour
three times
•
half an hour
a day or
a day or so so (= about a day)
a quarter of an hour
fy fy * three times a year (= somewhere between one and two weeks; notice we can also say 'one or day)
litre (notice we can also say '...for one litre')
50 pence a
We use a rather than one in the pattern a...of... with possessives, as in:
(=
each)
• ¢ 50 pence a ( each) litre (notice we can also say ‘...for one litre’)
• *
a week or two
• * a week or two (= somewhere between one and two weeks; notice we can also say 'one or
weeks')
two weeks’)
two
few
a
of...
a little
a huge number of...
a huge number
• ° afew
a little
use
a rather than one in the pattern a...of...
with possessives, as
in:
We
a
of mine.
colleague
She's
She's a colleague of mine.
• ¢
friend
a
of Bill's.
That's a friend of Bill's.
That's
• ¢

One and ones
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