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Article
Usage
Introduction
The articles “a,” “an,” and “the” are
difficult for many non-native speakers of
English to learn to use properly. Some
of the rules that govern article usage are
very subtle; only years of experience
with the language will enable you to
understand and apply these rules.
However, Table 3 will help you eliminate
many errors in article usage from your
writing.
The Writing Center
At Rensselaer
4508 Sage Lab
518/276-8983
writingcenter@rpi.edu
www.rpi.edu/web/writingcenter
In order to use Table 3 , however, you
have to understand two concepts:
countability and definiteness . These
concepts are explained in detail below.
The last part of this handout, beginning
on page 7, discusses article usage with
proper nouns as well as the difference
between “a” and “an.” At the very end of
the handout is an exercise that you can
do to test your understanding.
Developed by:
John Kohl
Susan Katz
Revised 05/02, Page 1
Countability
Countable nouns refer to people, places, or things that can be counted (one dollar/two
dollars, one house/two houses). They can always be made plural—usually by adding - s
or some other variation of the plural ending (students, countries, children). A few words
are the same in both the singular and plural forms (deer, sheep).
Uncountable nouns often refer to food, beverages, substances, or abstractions (meat,
tea, steel, information); some uncountable nouns (but not the abstract ones) can be
made countable by adding a count frame in front of them (two gallons of milk, six
blocks of ice, a bar of soap, a bunch of celery).
Unfortunately, there is no clear-cut distinction between countable and uncountable
nouns. Some nouns can be both countable and uncountable even without adding count
frames. For example, as an uncountable noun, “experience” refers to abstract
knowledge or skill that can be gained by observing or participating in events. As a
singular or plural countable noun (“experience/experiences”), it refers to a particular
instance (or instances) of participation in events. Similarly, the uncountable noun “glass”
is a substance made from silicates; “a glass” (singular) is something you drink out of;
and “glasses” (plural) are frames containing lenses that correct imperfect vision.
There are other exceptions to the countable/uncountable distinction as well. Moreover,
a noun that is countable in your native language may be uncountable in English, and
vice-versa. For example, “soap” is countable in Spanish but uncountable in English.
However, as long as you are aware of these differences, they probably won't cause you
much difficulty.
Learning Hint #1: The best thing to do is to memorize some of the most frequently
occurring uncountable nouns (shown in Table 1 ), and to look up other nouns in a
dictionary if you are not sure whether they are countable or uncountable. If your
dictionary does not indicate whether nouns are countable or uncountable, then you
should consult another dictionary, such as The Oxford Advanced Learner's Dictionary . This
dictionary is available for you to use at the Writing Center.
In the Oxford dictionary, nouns are countable unless they are designated by the letter
[u]. If a noun can be either countable or uncountable (with different definitions, as in the
examples given above), then the uncountable definitions are preceded by [u], and the
countable definitions are preceded by [c], as in the following example.
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ad.ven.ture n 1 [c] a strange or unusual happening (The explorer told the boys about
his adventure in the Artic). 2 [u] risk; danger (Robin Hood lives a life of adventure.)
Table 1: Some Common Uncountable English Nouns
Food and drink: bacon, beef, beer, bread, broccoli, butter, cabbage, candy,
cauliflower, celery, cereal, cheese, chicken, chocolate, coffee, corn, cream, fish, flour,
fruit, ice cream, lettuce, meat, milk, oil, pasta, rice, salt, spinach, sugar, tea, water,
wine, yogurt
Nonfood substances: air, cement, coal, dirt, gasoline, gold, ice, leather, paper,
petroleum, plastic, rain, rubber, silver, snow, soap, steel, wood, wool
Abstract nouns: advice, anger, beauty, confidence, courage, employment, fun,
happiness, health, honesty, information, intelligence, knowledge, love, poverty,
satisfaction, truth, wealth
Others: biology (and other areas of study), clothing, equipment, furniture,
homework, jewelry, luggage, lumber, machinery, mail, money, news, poetry,
pollution, research, scenery, traffic, transportation, violence, weather, work
Definiteness
A noun is definite if it refers to something specific that is known to both the
writer/speaker and the reader/listener. (Note: You should memorize this definition!) For
example, if Jane needs to drive somewhere, she might ask her father, “May I use the
car?” She uses the definite article “the” because both she and her father know which
car Jane is referring to (the family car). But later she might say to her friend Bill, “I saw
a funny-looking dog today.” She uses the indefinite article “a” because she knows
which dog she saw, but Bill doesn't.
Table 2 illustrates that there are four possible conditions involved in this decision, but
only one results in a noun that is definite.
Table 2: Matrix of Definiteness/Indefiniteness*
Knows specifically what is being referred to?
Writer/speaker
Reader/listener
definite:
Can I use the car?
Yes
Yes
indefinite: I saw a funny-looking dog today.
Yes
No
indefinite: I heard that you once wrote a
No
Yes
book about ecology.
indefinite: I need to buy a new belt.
No
No
* adapted from Brown, R. A First Language . Cambridge, MA: Harvard University Press, 1973 .
Revised 05/02, Page 3
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Five Sources of Definiteness
There are five principal ways in which a reader/listener can know specifically what a
noun is referring to (that is, five reasons a noun might be considered definite):
1. The noun has been previously mentioned.
I saw a funny-looking dog yesterday [first mention, indefinite]. It looked like a
cross between a Pekinese and a German shepherd. When it saw my cat, the
dog ran away [second mention, definite].
2. A superlative or ranking adjective makes the noun's identity specific.
The tallest girl in the class is 6’2” tall. [There can be only one girl who is the
tallest.]
Please read the fourth paragraph on page 3. [There can be only one fourth
paragraph.]
Today is the most important day of my life. [There can be only one day that is
the most important.]
3. The noun describes a unique person, place, or thing.
The earth revolves around the sun once every 365 days. [There is only one
earth and only one sun--in our solar system, that is!]
4. A modifying word, phrase, or clause follows the noun and makes it clear which
specific person or thing you are referring to. But not every noun that is
modified in this way is definite; it depends largely on the situation and on what
you can reasonably expect your listener/reader to know about.
Do you remember the girl who went camping with us ?
[Using the here implies that there was only one girl who went camping with
you; otherwise the clause who went camping with us would not be sufficient to
identify the particular girl that you are referring to. If there were two girls, then
you would have to be more specific, saying perhaps “Do you remember the girl
from Iowa who went camping with us l ast May ?”]
John is reading a book about quantum physics .
[Here the noun book is modified by the phrase about quantum physics . But
there is undoubtedly more than one book about quantum physics. Therefore,
Revised 05/02, Page 4
to make book definite, we would have to add more information: the book about
quantum physics t hat was assigned by Professor Jackson last week .]
5. The context or situation makes the noun’s identity clear. For example, you
might ask someone to “Close the door.” You would use the because it would
undoubtedly be clear to both of you which door you were referring to. Similarly,
if you tell someone that you are going to the library, that person will assume
that you are talking about whichever library is most familiar to both of you—
RPI's Folsom Library, for example.
Again, you have to be sure that your reader or listener has the same context or situation
in mind that you are thinking of; otherwise, he or she will be confused by your use of
the . For example, one student wrote the following sentence.
This magazine helps women analyze the problematic situation and offers
possible remedies.
But this was the first time she had mentioned a problematic situation. Her readers were
therefore confused, because her use of the word the implied that they were already
supposed to know which problematic situation she was referring to.
Choosing the Appropriate Article
In order to choose the appropriate article for a noun, you first need to decide whether
the noun is singular. One way to determine this is to ask yourself whether you could put
the number “one” in front of it. For example, you can say “one experiment ,” but not “one
knowledge ” or “one examples ;” therefore, “experiment” is singular, whereas
“knowledge” is uncountable and “examples” is plural.
Table 3 shows that if the noun is singular, you must use either “the” or “a”/”an” in front
of the noun, depending on whether it is definite (known to both yourself and your
readers) or not.
If the noun is not singular, then it must be either plural or uncountable. Table 3 shows
that article usage is the same for both plural and uncountable nouns: you will use either
“the” or “0” (no article) in front of the noun. Again, the final decision depends on
whether the noun is definite or not.
Revised 05/02, Page 5
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