Articles and Determiners
~9 min read
- Three articles: 'A' and 'an' = indefinite (any one); 'the' = definite (a specific one). 'A' before consonant sound, 'an' before vowel sound (not letter).
- Determiners: Words that limit a noun - articles, demonstratives (this/that), possessives (my/his), quantifiers (some, many), numbers.
- Zero article: No article before plural/uncountable nouns used in general sense, before names of people, most countries, languages, meals, sports, abstract nouns.
Articles look small but generate 2-3 errors per CDS Spotting Errors set. The 'a vs an' sound rule and 'the' with rivers, mountains, oceans and superlatives are tested every year.
A vs An - The Sound Rule
Use an before a vowel sound (not letter), a before a consonant sound.
| Use 'an' | Use 'a' |
|---|---|
| an hour, an honest man, an heir (silent h) | a hotel, a hospital, a horse (h pronounced) |
| an MP, an MLA, an MA, an MBA (vowel sound /em/) | a university, a uniform, a European (sound /yu/) |
| an FIR, an SP, an X-ray (vowel sound) | a one-rupee note (sound /w/) |
| an umbrella, an apple, an orange | a useful book (/y/), a unicorn (/y/) |
When to Use 'The'
- Specific / already mentioned: I saw a man. The man was tall.
- Unique objects: the sun, the moon, the earth, the sky, the Equator, the North Pole
- Superlatives: the best, the tallest, the first, the last, the only
- Rivers: the Ganga, the Nile, the Thames
- Seas, oceans, gulfs: the Arabian Sea, the Pacific, the Persian Gulf
- Mountain ranges (plural form): the Himalayas, the Alps, the Rockies (BUT individual peaks: Mount Everest, Kanchenjunga - no 'the')
- Deserts, forests: the Thar, the Sahara, the Amazon
- Groups of islands: the Andamans, the West Indies, the Philippines
- Plural country names: the United States, the Netherlands, the United Arab Emirates
- Newspapers, ships, trains, holy books: the Hindu, the Titanic, the Rajdhani, the Bhagavad Gita, the Quran, the Bible
- Adjective + noun (group): the rich, the poor, the educated, the British
- Musical instruments: She plays the violin.
- Inventions/species (general): The lion is the king of the jungle. The telephone was invented...
Zero Article (No Article)
| No article before | Examples |
|---|---|
| Names of people | Ravi, Mohan |
| Most country names | India, China, Japan (BUT the USA, the UK) |
| Individual mountains/lakes | Everest, Kanchenjunga, Lake Pushkar |
| Continents | Asia, Europe, Africa |
| Languages | English, Hindi, Tamil (BUT 'the English language') |
| Meals | have breakfast / lunch / dinner |
| Sports / games | play cricket, play chess, play hockey |
| Abstract nouns in general sense | Honesty is the best policy. (BUT 'The honesty of Gandhi was famous.') |
| Uncountable nouns in general sense | Sugar is sweet. Water is essential. |
| Plural countable nouns in general sense | Dogs are loyal. Books are friends. |
| Means of transport with 'by' | by bus, by train, by car, by air |
| Institutions used for primary purpose | go to school / college / church / bed / hospital (= as student/patient) |
A/An vs The - The Reference Test
- Use a/an when introducing something new (first mention) or referring to any one of a kind.
- Use the when both speaker and listener know which specific one is meant - because it has been mentioned, is unique, or is identified by context.
Yesterday I saw a dog and a cat. The dog was big; the cat was small.
Open the door (= the one we both know - the door of this room).
Common CDS Article Errors
- Wrong: He is honest man. Correct: He is an honest man.
- Wrong: She is best player. Correct: She is the best player.
- Wrong: I went to the school yesterday. (as a student - drop 'the') Correct: I went to school yesterday.
- Wrong: The honesty is the best policy. Correct: Honesty is the best policy. (abstract, general)
- Wrong: He plays violin. Correct: He plays the violin.
- Wrong: Ganga flows through Varanasi. Correct: The Ganga flows through Varanasi.
- Wrong: He is M.A. in History. Correct: He is an M.A. in History.
CDS/OTA PYQ Examples
Q: Choose the correct option: He is ___ honest man and ___ M.A. in English.
(a) a, a (b) an, an (c) an, a (d) a, an
Answer: (b) an, an — 'honest' begins with silent h (vowel sound); 'M.A.' begins with vowel sound /em/.
Q: Identify the error: Honesty is / best policy / in long run. / No error
(a) Honesty is (b) best policy (c) in long run (d) No error
Answer: Both (b) and (c) need 'the': 'the best policy in the long run'. Best answer: (b).
Q: Choose the correct option: ___ Ganga is one of ___ most sacred rivers in ___ world.
(a) The, a, the (b) The, the, the (c) A, the, a (d) -, the, the
Answer: (b) The, the, the — rivers, superlatives and unique nouns all take 'the'.
Q: Identify the error: Ravi goes to the school / by the bus / every day. / No error
(a) Ravi goes to the school (b) by the bus (c) every day (d) No error
Answer: (a) and (b) both have wrong 'the'. Most likely tested option: (a) — 'go to school' (as a student) takes no article. Also 'by bus' (means of transport).
Q: Choose the correct option: He is ___ best player in our team and ___ pride of our school.
(a) the, a (b) a, the (c) the, the (d) a, a
Answer: (c) the, the — 'best' is a superlative; 'pride of our school' is a specific noun.
Q: Identify the error: I met an European / who spoke / fluent Hindi. / No error
(a) I met an European (b) who spoke (c) fluent Hindi (d) No error
Answer: (a) 'European' begins with /y/ sound (consonant sound), so use 'a': 'I met a European'.
Drill Articles and Determiners for CDS/OTA
CDS/OTA-pattern items on Articles and Determiners with answer keys and explanations.
Start Free Mock TestFrequently Asked Questions
Why 'an honest' but 'a hotel'?
Because article choice depends on sound, not spelling. 'Honest' begins with a silent 'h' (vowel sound /o/), so 'an'. 'Hotel' begins with a pronounced /h/ (consonant), so 'a'.
Why 'a university' and not 'an university'?
'University' begins with the /y/ sound (a consonant sound), even though it starts with the letter 'u'. Same with 'a uniform', 'a European', 'a one-rupee coin'.
Do all countries take 'the'?
No. Most don't (India, France, Japan). Use 'the' only with plural country names (the Netherlands, the Philippines), federations (the United States, the United Kingdom, the UAE), and a few standard names (the Sudan, the Congo - though modern usage drops 'the').
Why 'the rich' instead of 'rich people'?
'The + adjective' refers to the group collectively: the rich = rich people in general; the poor = poor people; the educated, the unemployed, the British, the Chinese. The verb is plural: 'The rich are not always happy.'
When do school/college/church take 'the' vs no article?
No article when used for the primary purpose (go to school as a student, go to church to pray, go to bed to sleep, go to hospital as a patient). Use 'the' when visiting as a non-participant: 'I went to the school to meet the principal.'