Chapter 8: Article, Determiner and Quantifier Errors

1. Why This Chapter Matters

Articles and determiners are small words, but they control how nouns behave in a sentence.

A candidate may know the meaning of every word in a sentence and still miss the error because the problem lies in one seemingly insignificant word: a, an, the, some, any, much, many, few, little, each, every, either, neither or another.

He is best candidate for the post.

He is the best candidate for the post.

🟢 Exam Insight

These errors are often hidden inside otherwise perfectly grammatical sentences. Therefore, candidates should not read only for meaning; they must check the noun phrase.

2. What Is a Determiner?

A determiner is a word placed before a noun to identify, specify, limit or quantify that noun.

Category	Examples	Example
Articles	a, an, the	the book
Demonstratives	this, that, these, those	these books
Possessives	my, your, his, her, our, their	my book
Quantifiers	some, many, much, few, little	many students
Distributives	each, every, either, neither	each student
Numbers	one, two, first, second	two candidates

3. The First Question: Countable or Uncountable?

Before choosing a quantifier, determine whether the noun is countable or uncountable.

Countable	Uncountable
book / books	information
student / students	advice
idea / ideas	equipment
employee / employees	furniture
mistake / mistakes	knowledge

COUNTABLE → MANY / FEW / FEWER

UNCOUNTABLE → MUCH / LITTLE / LESS

4. Articles: A, An and The

English has three articles:

A
Indefinite article
Used before a consonant sound.

AN
Indefinite article
Used before a vowel sound.

THE
Definite article
Used when the noun is specific or identifiable.

5. A vs An — Sound, Not Spelling

The choice between “a” and “an” depends on pronunciation, not simply on whether the first letter is a vowel.

Correct	Reason
an apple	Vowel sound
an hour	“h” is silent
an honest man	“h” is silent
a university	“yu” sound
a European	“yu” sound
a one-time event	“w” sound
an MBA	“em” sound

💡 Golden Rule

A / AN depends on sound, not the written letter.

6. The Most Common “A/An” Trap

Acronyms and abbreviations must be judged according to how they are pronounced.

an RBI officer
R = “ar”

an SBI employee
S = “es”

an IAS officer
I = “eye”

a UPSC aspirant
U = “yu”

7. When Do We Use “A / An”?

Rule 1: Before a singular countable noun when it is non-specific

I saw a candidate outside the office.

Rule 2: To mean “one” or “any one”

Give me a pen.

Rule 3: Before professions

She is an economist.

Rule 4: In certain rate expressions

The machine produces 100 units an hour.

8. The Most Important Rule: Singular Countable Nouns Need a Determiner

A singular countable noun generally cannot stand alone in ordinary English.

He is good candidate. ❌

He is a good candidate. ✅

She bought new laptop. ❌

She bought a new laptop. ✅

SINGULAR COUNTABLE NOUN
+
DETERMINER

Possible determiners include: a, an, the, my, this, each, every, one, etc.

9. When Do We Use “The”?

Use “the” when the listener or reader can identify the particular noun being discussed.

Rule 1: Something already mentioned

I bought a book. The book is interesting.

Rule 2: A unique object

The sun rises in the east.

Rule 3: Superlatives

She is the best candidate.

Rule 4: Ordinal numbers

He was the first person to arrive.

Rule 5: Specific nouns

Please close the door.

10. The + Superlative — A Favourite Exam Area

He is best player in the team. ❌

He is the best player in the team. ✅

the best

the most important

the highest

the first

the last

the only

11. “The” Before “Only”

He is only person who qualified. ❌

He is the only person who qualified. ✅

THE ONLY + SINGULAR NOUN

12. Zero Article — When No Article Is Used

One of the hardest article questions involves situations where the correct answer is actually “no article”.

General plural nouns

Books are useful.

Uncountable nouns in a general sense

Knowledge is power.

Languages

She speaks English.

Subjects

He studies economics.

Meals in a general sense

We had breakfast at 8.

13. Institution vs Building — The “School / Hospital / Prison” Trap

Certain nouns may be used with or without “the” depending on whether we mean the institution/activity or the physical building.

Without “the”	With “the”
He is in hospital.	I went to the hospital to visit him.
Children go to school.	I went to the school to meet the principal.
He was sent to prison.	We visited the prison.

💡 Think Meaning

Ask whether the noun represents the institution/activity or the specific physical place.

14. Geographical Names — Where “The” Matters

Usually With “The”	Usually Without “The”
the United States	India
the United Kingdom	Japan
the Netherlands	France
the Himalayas	Mount Everest
the Ganga	Lake Victoria
the Arabian Sea	Asia

15. Few vs A Few

The difference is not merely grammatical. It changes the meaning of the sentence.

Expression	Meaning	Example
few	Almost none; negative sense	Few candidates qualified.
a few	Some; positive/neutral sense	A few candidates qualified.
the few	The small number that exists	The few candidates who qualified were selected.

FEW = ALMOST NONE

A FEW = SOME

THE FEW = THE SMALL NUMBER THAT EXIST

16. Little vs A Little

The same distinction applies to uncountable nouns.

Expression	Meaning	Example
little	Almost none	There is little hope.
a little	Some	There is a little hope.
the little	The small amount available	He spent the little money he had.

17. Few vs Less — Countability Trap

FEWER + COUNTABLE PLURAL NOUN

LESS + UNCOUNTABLE NOUN

There are fewer students in this class.

We have less time today.

🔴 Common Exam Error

There are less students in this class. ❌

Correct: There are fewer students in this class.

18. Much vs Many

MANY + COUNTABLE PLURAL

MUCH + UNCOUNTABLE

There are many applicants.

There isn’t much information.

many questions

many candidates

much information

much advice

19. Some vs Any

“Some” is commonly used in affirmative statements, while “any” is common in negatives and questions.

I have some information.

I don’t have any information.

Do you have any information?

💡 Important Exception

“Some” may also be used in questions when making an offer, request or expecting the answer to be yes.

Would you like some tea?

20. Each vs Every

Both are distributive determiners, but their usage is not identical.

Each	Every
Emphasises individuals	Emphasises the group as a whole
Each student has a book.	Every student has a book.
Can be used with of + plural noun/pronoun	Not normally followed directly by “of”
Each of the students	Every one of the students

21. Each of / Every One of

Each of the students was given a certificate.

Every one of the students was given a certificate.

🔴 Common Error

Every of the students was present. ❌

Correct: Every one of the students was present.

22. Each / Every Takes a Singular Noun

Each student is responsible.

Every candidate must carry an admit card.

🔴 Common Error

Every candidates must carry an admit card. ❌

Correct: Every candidate must carry an admit card.

23. Either vs Neither

Expression	Meaning	Example
either	One of two / one or the other	Either answer is acceptable.
neither	Not one and not the other	Neither answer is correct.

EITHER = ONE OF TWO

NEITHER = NOT ONE + NOT THE OTHER

24. Either / Neither + Singular Noun

Neither candidate was selected.

Either option is acceptable.

🔴 Common Error

Neither candidates was selected. ❌

Standard exam construction: Neither candidate was selected.

25. Either of / Neither of

After “either of” and “neither of”, use a plural noun or plural pronoun.

Either of the candidates can win.

Neither of the answers is correct.

EITHER / NEITHER + OF + PLURAL NOUN

26. Both vs All

BOTH → TWO

ALL → THREE OR MORE / WHOLE GROUP

Both candidates qualified.

All candidates qualified.

🔴 Remember

“Both” refers specifically to two.

27. Another vs Other vs The Other

These three words create several common exam traps.

Expression	Meaning	Example
another	One more / an additional one	Give me another chance.
other	Additional / different	Other candidates arrived later.
the other	The remaining one	One hand is injured; the other is fine.

28. Another + Singular Countable Noun

I need another pen.

🔴 Common Error

I need another pens. ❌

Correct: I need another pen.

But “another” can occur before a number + plural noun:

We need another five days.

29. Other vs Others

Form	Usage	Example
other + noun	Determiner	Other students agreed.
others	Pronoun	Some agreed; others disagreed.
the other + noun	Specific remaining item/group	The other students left.
the others	Specific remaining people/things	Two students stayed; the others left.

30. Much / Many / A Lot of / Lots of

“A lot of” and “lots of” can be used with both countable and uncountable nouns.

many questions

much information

a lot of questions

a lot of information

💡 Exam Note

“Much” is especially common in negatives and questions, while “a lot of” is very common in affirmative sentences.

31. Plenty of

“Plenty of” means more than enough.

We have plenty of time.

There are plenty of opportunities.

It can be used with both countable and uncountable nouns.

32. Enough

“Enough” can occur before a noun and after an adjective or adverb.

We have enough time.

He is strong enough.

She worked hard enough.

🔴 Position Trap

Correct: enough money

Correct: good enough

33. Too Much vs Too Many

TOO MANY + COUNTABLE PLURAL

TOO MUCH + UNCOUNTABLE

There are too many applicants.

There is too much information.

34. A Great Deal of vs A Large Number of

Expression	Noun Type	Example
a great deal of	Uncountable	a great deal of information
a large amount of	Uncountable	a large amount of money
a large number of	Countable plural	a large number of candidates
a great number of	Countable plural	a great number of applicants

35. Number vs Amount

NUMBER OF + COUNTABLE PLURAL

AMOUNT OF + UNCOUNTABLE

A large number of students attended.

A large amount of money was spent.

🔴 Common Error

A large amount of students attended. ❌

Better: A large number of students attended.

36. The Number of vs A Number of

This is one of the highest-value determiner rules for Error Detection.

Expression	Verb	Meaning
the number of + plural noun	Singular	The total number
a number of + plural noun	Plural	Several / many

The number of applicants is increasing.

A number of applicants are waiting outside.

THE NUMBER OF → SINGULAR VERB

A NUMBER OF → PLURAL VERB

37. A Large Number of vs The Large Number of

The same principle applies to larger expressions.

A large number of students are absent.

The large number of students is a concern.

💡 Think About the Head Noun

In “the number of students”, the head noun is number, which is singular.

In “a number of students”, the expression means several students, so the verb is plural.

38. Each of / Every One of / None of

Expression	Example
each of + plural noun	Each of the candidates was selected.
every one of + plural noun	Every one of the candidates was selected.
none of + plural noun	None of the candidates was/were selected.

With “none”, both singular and plural agreement can occur depending on the construction and intended meaning, though formal examination questions may prefer a particular agreement based on the noun and style.

39. Every vs All

EVERY + SINGULAR COUNTABLE NOUN

ALL + PLURAL / UNCOUNTABLE NOUN

Every student attended the class.

All students attended the class.

All the information was useful.

40. All of vs Every One of

All of the students passed.

Every one of the students passed.

🔴 Don’t Mix the Structures

Every of the students passed. ❌

Correct: Every one of the students passed.

41. Both of / Both

Both candidates qualified.

Both of the candidates qualified.

Both of them qualified.

“Both” refers to two people or things.

42. Either…Or / Neither…Nor

These paired structures are common in sentence correction.

Either Rahul or Amit will attend.

Neither Rahul nor Amit attended.

EITHER → OR

NEITHER → NOR

43. Many a / Many an

“Many a” and “many an” are followed by singular countable nouns and usually take a singular verb.

Many a candidate has faced this problem.

Many an applicant has appeared for the test.

MANY A / MANY AN + SINGULAR NOUN + SINGULAR VERB

🔴 Exam Trap

Many a candidates have… ❌

Correct: Many a candidate has…

44. Such vs Such a/an

The structure depends on whether the noun is singular countable or plural/uncountable.

It was such a difficult question.

They faced such difficult questions.

It was such useful information.

SUCH + A/AN + ADJECTIVE + SINGULAR COUNTABLE NOUN

SUCH + PLURAL / UNCOUNTABLE NOUN

45. Quite a / Rather a

These structures frequently appear in advanced sentence correction.

It was quite a difficult question.

It was rather a difficult question.

In another common pattern:

It was quite an interesting book.

46. What a / What an

What a beautiful day!

What an interesting idea!

What beautiful weather!

WHAT + A/AN + SINGULAR COUNTABLE NOUN

WHAT + PLURAL / UNCOUNTABLE NOUN

47. Too + Adjective + A/An

Be careful with word order in structures involving “too” and “enough”.

It is too difficult a question to solve quickly.

TOO + ADJECTIVE + A/AN + NOUN

More commonly in ordinary sentences:

It is too difficult a question for beginners.

48. Quantifier + Of

Certain quantifiers can be followed by “of” when referring to a specific group.

some of the students

many of the candidates

few of the applicants

all of the employees

most of the information

none of the answers

49. Most vs Most of

Most students like practice tests.

Most of the students like practice tests.

Use “most of” when referring to a specific group with a determiner such as the, my, these, those.

🔴 Common Error

Most of students like practice tests. ❌

Correct: Most students like practice tests.

Or: Most of the students like practice tests.

50. Enough of vs Enough

We have enough time.

We have enough of the required material.

“Enough of” is used when the noun phrase is already specified or particularised.

51. No vs Not Any

“No” is itself a determiner and does not normally combine with another determiner before the noun.

There is no information.

There isn’t any information.

🔴 Avoid Double Determination

There is no any information. ❌

52. Every Day vs Everyday

Form	Function	Example
every day	Each day	He studies every day.
everyday	Adjective meaning ordinary/common	These are everyday problems.

53. Each Other vs One Another

Traditional grammar often teaches:

each other
Traditionally associated with two.

one another
Traditionally associated with more than two.

💡 Exam Approach

Modern English often uses the two expressions interchangeably. If an examination explicitly tests the traditional distinction, follow the context and the convention expected by the question.

54. Common Uncountable Nouns You Must Not Pluralise

Many article and quantifier errors are actually noun-form errors.

information
NOT informations

advice
NOT advices

furniture
NOT furnitures

equipment
NOT equipments

knowledge
NOT knowledges

luggage
NOT luggages

research
Usually uncountable in general use.

news
Grammatically singular.

55. “An Advice” Is Wrong

He gave me an advice. ❌

He gave me some advice. ✅

Or:

He gave me a piece of advice.

ADVICE → UNCOUNTABLE

SOME ADVICE / A PIECE OF ADVICE

56. “Information” Is Uncountable

The website provides useful information.

The website provides many information. ❌

The website provides a lot of information.

He gave me two pieces of information.

57. “News” Is Singular

The news is surprising.

🔴 Common Error

The news are surprising. ❌

Correct: The news is surprising.

58. Double Determiner Errors

Two determiners generally cannot be placed together before the same noun unless the combination follows a recognised structure.

My the book is on the table. ❌

This my book is new. ❌

But certain combinations are grammatical:

all the students

both my parents

all of my friends

59. Determiner Order — High-Level Concept

Advanced questions may test the order in which determiners appear.

all the students

both the candidates

my two books

the first two chapters

all my books

both these options

💡 Exam Focus

Do not try to memorise every theoretical classification. Focus on recognising whether the resulting noun phrase sounds and functions like standard English.

60. High-Frequency Error List

Wrong	Correct
He is good candidate.	He is a good candidate.
She is an university student.	She is a university student.
He is a honest man.	He is an honest man.
He is best player.	He is the best player.
Many informations were given.	Much information was given.
An advice was given.	A piece of advice was given.
Few students attended, but it was enough.	A few students attended, but it was enough.
There is a little students.	There are a few students.
There are less candidates.	There are fewer candidates.
There is fewer information.	There is less information.
Every of the students	Every one of the students
Every candidates	Every candidate
Neither candidates was selected.	Neither candidate was selected.
Most of students	Most students / Most of the students
A large amount of students	A large number of students
The number of applicants are rising.	The number of applicants is rising.
A number of applicants is waiting.	A number of applicants are waiting.
Many a candidates have failed.	Many a candidate has failed.
No any candidate was selected.	No candidate was selected.

61. The 10-Second Determiner Check

When solving an Error Detection question, run this quick checklist whenever you see a noun.

1

Find the Noun

2

Countable?

3

Singular?

4

Needs Article?

5

Check Quantity

6

Check Meaning

NOUN → COUNTABILITY → NUMBER → DETERMINER → QUANTITY → AGREEMENT

62. Practice Set — Foundation

Q1. Foundation

He is honest employee of the organisation.

A. He is

B. honest employee

C. of the organisation

D. No error

Answer: B

“Employee” is a singular countable noun and requires a determiner.

Correct: He is an honest employee of the organisation.

Q2. Foundation

She gave me an useful information.

A. She gave

B. me

C. an useful information

D. No error

Answer: C

“Information” is uncountable and does not take “an”.

Correct: She gave me some useful information.

Q3. Foundation

There are less applicants this year.

A. There are

B. less applicants

C. this year

D. No error

Answer: B

“Applicants” is countable plural.

Correct: There are fewer applicants this year.

Q4. Exam Trap

Every candidates must carry an identity card.

A. Every

B. candidates

C. must carry

D. No error

Answer: B

“Every” takes a singular countable noun.

Correct: Every candidate must carry an identity card.

Q5. Exam Trap

The number of applicants are increasing.

A. The number

B. of applicants

C. are increasing

D. No error

Answer: C

The head noun is “number”, which is singular.

Correct: The number of applicants is increasing.

63. Practice Set — Advanced

Q6. Advanced

A number of candidates has complained about the revised schedule.

A. A number of candidates

B. has complained

C. about the revised schedule

D. No error

Answer: B

“A number of” means several and takes a plural verb.

Correct: A number of candidates have complained about the revised schedule.

Q7. Advanced

Many a candidates have failed because of poor time management.

A. Many a

B. candidates have

C. failed

D. No error

Answer: B

“Many a” takes a singular noun and singular verb.

Correct: Many a candidate has failed because of poor time management.

Q8. Advanced

Most of students found the section difficult.

A. Most of

B. students

C. found

D. No error

Answer: B

With a general plural noun, use “most students”.

With a specific group, use “most of the students”.

Correct: Most students found the section difficult.

Q9. Advanced

Neither of the candidate was selected.

A. Neither of

B. the candidate

C. was selected

D. No error

Answer: B

After “neither of”, use a plural noun.

Correct: Neither of the candidates was selected.

Q10. Advanced

The organisation provides a large amount of opportunities to young professionals.

A. The organisation

B. provides

C. a large amount of opportunities

D. No error

Answer: C

“Opportunities” is countable plural.

Use: a large number of opportunities.

64. Practice Set — IBPSHUB Master Level

Q11. Master

The few information available was insufficient to reach a final conclusion.

A. The few

B. information available

C. was insufficient

D. No error

Answer: A

“Few” is used with countable nouns. “Information” is uncountable.

Correct: The little information available was insufficient…

Q12. Master

She is an European economist working with the organisation.

A. She is

B. an European economist

C. working with

D. No error

Answer: B

“European” begins with the consonant sound “yu”.

Correct: She is a European economist.

Q13. Master

Every one of the employee were instructed to attend the meeting.

A. Every one of

B. the employee were

C. instructed

D. No error

Answer: B

“Every one of” is followed by a plural noun, but the grammatical subject is singular.

Correct: Every one of the employees was instructed…

Q14. Master

He has little friends in the city, so he often feels lonely.

A. He has

B. little friends

C. in the city

D. No error

Answer: B

“Friends” is countable plural.

Use: few friends.

Correct: He has few friends in the city.

Q15. Master

A great deal of candidates appeared for the examination.

A. A great deal of

B. candidates

C. appeared

D. No error

Answer: A

“A great deal of” is used with uncountable nouns.

Correct: A great number of candidates appeared for the examination.

65. Master Revision Table

Remember	Correct Pattern
A / An	Based on sound
Singular countable noun	Needs a determiner in ordinary use
Superlative	the best / the most important
Few	Countable plural
Little	Uncountable
Many	Countable plural
Much	Uncountable
Fewer	Countable plural
Less	Uncountable
Each / Every	Singular noun
Either / Neither	Usually singular noun
Either of / Neither of	Plural noun/pronoun
A number of	Plural verb
The number of	Singular verb
Many a	Singular noun + singular verb
Number of	Countable plural
Amount of	Uncountable
Most students	General plural
Most of the students	Specific group
Another	Usually singular countable noun
Other	Usually before plural/uncountable noun

66. The IBPSHUB Noun-Phrase Scan

In a difficult Error Detection question, don’t immediately search for a verb error. Scan every noun phrase.

1

Identify Noun

2

Countable?

3

Singular / Plural?

4

Article?

5

Quantifier?

6

Agreement?

DETERMINER → NOUN → COUNTABILITY → QUANTITY → NUMBER → VERB AGREEMENT

67. Final Exam Strategy

When you encounter an article, determiner or quantifier question, ask these questions in order:

Is the noun singular, plural or uncountable?
If it is singular countable, does it have an appropriate determiner?
Does the article depend on sound or spelling?
Is the noun specific or general?
Does the quantifier match countability?
Does the expression change the meaning?
Does the determiner affect subject-verb agreement?
Is there an unnecessary or double determiner?

🟢 IBPSHUB Final Rule

Never choose a quantifier before identifying the noun.

First decide: COUNTABLE or UNCOUNTABLE?

Then decide: SINGULAR or PLURAL?

Only then choose: ARTICLE / DETERMINER / QUANTIFIER.