Nouns: Countable, Uncountable & Plurals — English Grammar Exercises
tourist or tourists? some advice or an advice? — get it right
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Countable and uncountable nouns
- Countable nouns can be counted and have a plural: a book → books.
- Uncountable nouns cannot be counted — no plural, no a/an: water, money, music.
Uncountable nouns learners often get wrong
These are uncountable in English, even if they are countable in other languages:
advice, information, news, furniture, luggage, equipment, money, work, research, progress, traffic, weather, accommodation, homework, bread
❌ an advice / advices → ✅ advice / a piece of advice
❌ informations → ✅ information
Plural spelling
| Rule | Examples |
|---|---|
| most nouns: add -s | book → books |
| -ch, -sh, -ss, -x: add -es | box → boxes, watch → watches |
| consonant + y: change to -ies | city → cities |
| -f, -fe: change to -ves | knife → knives, leaf → leaves |
| -o: usually -oes | tomato → tomatoes |
Irregular plurals
child → children, man → men, woman → women, foot → feet, tooth → teeth, person → people. Some don't change: fish, sheep, deer.
Counting uncountable nouns
To count an uncountable noun, use a … of:
a piece of advice, a glass of water, a slice of bread, a bottle of milk, a sheet of paper
Subject-verb agreement
- uncountable noun → singular verb: The news is good.
- nouns ending in -s that are singular (physics, economics) → singular verb: Physics is hard.
- people, police → plural verb: The people are friendly.
- a number of + plural → plural verb: A number of students are absent.
much / many, less / fewer
- many, few, fewer + countable plural: many books, fewer cars
- much, little, less + uncountable: much water, less time
Common mistakes
| ❌ | ✅ |
|---|---|
| She gave me an advice. | She gave me a piece of advice. |
| a lot of informations | a lot of information |
| three childrens | three children |
| The news are bad. | The news is bad. |
| less cars | fewer cars |
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How many ___ do they have at home?
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children
'Child' has an irregular plural: child → children.
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I must see the dentist — two of my ___ hurt.
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teeth
'Tooth' has an irregular plural: tooth → teeth.
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There are several large ___ in this region.
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cities
A consonant + y changes to -ies: city → cities.
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Be careful with those sharp ___.
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knives
Nouns ending in -fe change to -ves: knife → knives.
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We need to buy some ___ for the salad.
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tomatoes
Many nouns ending in -o add -es: tomato → tomatoes.
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There were too many ___ at the concert.
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people
The usual plural of 'person' is the irregular form 'people'.
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She gave me some very good ___ about the job.
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advice
'Advice' is uncountable — it has no plural and no 'a/an'.
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I need more ___ before I can make a decision.
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information
'Information' is uncountable — it has no plural form.
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We caught three ___ in the lake yesterday.
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fish
'Fish' usually stays the same in the plural: one fish, three fish.
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The news ___ on at six o'clock.
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is
'News' looks plural but is an uncountable singular noun — use 'is'.
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Two ___ were waiting outside the office.
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men
'Man' has an irregular plural: man → men.
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The people in this town ___ very friendly.
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are
'People' is plural, so it takes a plural verb — 'are'.
English Nouns: Complete Grammar Reference
Noun errors are among the most persistent challenges for B1–B2 English learners. Research from the Cambridge Learner Corpus identifies countable/uncountable confusion as one of the top five error types at intermediate level, appearing in roughly 22% of written learner samples. The problem is structural: many languages treat nouns like advice, information, and furniture as countable, so the uncountable status in English feels arbitrary. Add irregular plurals, complex subject-verb agreement patterns, and quantifier choice (much/many, few/a few), and the noun system becomes a multi-layered challenge. These 45 questions across 3 practice blocks address all six core areas systematically, using error patterns drawn from real learner corpora.
Plural Forms
Most English nouns add -s in the plural, but six spelling rules govern the exceptions. Nouns ending in -ch, -sh, -s, -x, -z add -es (watch → watches, bus → buses). Nouns ending in consonant + -y change to -ies (family → families), while vowel + -y simply adds -s (day → days). Many nouns ending in -f/-fe change to -ves (shelf → shelves, knife → knives), with notable exceptions (roof → roofs). Irregular plurals — man → men, child → children, tooth → teeth — must be memorised individually. A separate category of zero-plural nouns never changes: sheep, fish, deer, aircraft, series.
child → children | sheep → sheep | person → people
Noun-Verb Agreement
English noun-verb agreement has several traps that cannot be deduced from the noun's spelling. Nouns that look plural but take a singular verb include academic subjects (physics, mathematics, economics) and the noun news. Nouns that look singular but take a plural verb include police (always plural — no singular form exists) and pair nouns with no singular form (jeans, trousers, scissors, glasses). Collective nouns (team, family, government, company) take a singular verb when treated as one unit, but a plural verb when the focus is on the individuals within the group — a distinction that creates consistent errors in learner writing.
The news was shocking. (not 'were')
The police are searching for the suspect. (not 'is')
These scissors are very sharp. (not 'is')
Countable vs Uncountable Nouns
Uncountable nouns represent substances, abstract concepts, or categories that English treats as a single undivided mass. They cannot be preceded by a/an and have no plural form. The most problematic uncountables for B1–B2 learners are nouns that correspond to countable equivalents in other languages. Analysis of the ICLE learner corpus shows that 'advices', 'informations', 'furnitures', and 'equipments' appear in over 15% of B1–B2 writing samples — making them among the most reliable error markers at this level. The fix is always a measure or partitive expression that makes the quantity explicit.
✗ I need some informations. → ✓ I need some information.
✗ We bought new furnitures. → ✓ We bought some new furniture.
Nouns with Both Countable and Uncountable Meanings
A number of common English nouns function as both countable and uncountable, with a change in meaning. Food and drink nouns are uncountable when referring to the substance but countable when referring to a serving (a coffee = one cup; two beers = two glasses). Paper as material is uncountable; a paper is a newspaper. Experience (uncountable) means accumulated knowledge from doing something; an experience / experiences (countable) refers to specific events. Hair as the whole mass on someone's head is uncountable; individual strands (two hairs in my soup) are countable. Work is uncountable when it means employment or effort; a work / works refers to artistic creations.
I'd like two coffees, please. (two cups, countable)
She has a lot of experience. (knowledge, uncountable)
We had some great experiences travelling. (specific events, countable)
Counting Uncountable Nouns: Measure Expressions
When you need to quantify an uncountable noun, English uses a partitive or container expression: a piece of for abstract nouns (advice, furniture, information, news, equipment), containers for substances (a bottle of water, a jar of jam, a carton of milk, a bar of soap, a tube of toothpaste), and standard measures for physical substances (a litre of petrol, a kilo of meat, a loaf of bread). The structure is always: number + measure noun + of + uncountable noun. The measure noun itself carries the plural inflection: two pieces of advice, three litres of water, four loaves of bread.
a carton of milk | a tube of toothpaste | a can of soup
Quantifiers: Much, Many, Few, A Few, Little, A Little
Much and many both mean 'a large quantity', but much collocates with uncountable nouns (much traffic, much money, much time) while many collocates with countable plural nouns (many cars, many people, many books). The few/a few and little/a little pairs are semantically distinct: the form without the article carries a negative tone ('not as many/much as needed'), while the form with the article carries a positive tone ('some, and that is enough'). Corpus research confirms that learners at B1–B2 level mix 'few' and 'a few' in roughly 28% of cases, and the error is equally common in the uncountable pair 'little/a little'.
She has a few friends here — she's not alone. (some, positive)
There's little time left — we must hurry. (almost none)
There's a little time left — we can still make it. (some, positive)
Common Mistakes
✗ She gave me some good advices about my CV. → ✓ She gave me some good advice about my CV.
✗ Can you give me an advice about where to stay? → ✓ Can you give me some advice about where to stay?
✗ I need some informations about the course. → ✓ I need some information about the course.
✗ The traffic in this city are terrible. → ✓ The traffic in this city is terrible.
✗ We need to buy new equipments for the lab. → ✓ We need to buy new equipment for the lab.
✗ The news were shocking. → ✓ The news was shocking.
✗ A football team have eleven players. → ✓ A football team has eleven players.
Frequently Asked Questions
What is the difference between countable and uncountable nouns in English?
Countable nouns refer to things you can count individually: one book, two chairs, three problems. They have a singular and a plural form, and you can use a/an before them. Uncountable nouns refer to substances, concepts, or masses that are not divided into separate units: water, advice, information, furniture, traffic. You cannot say 'an advice' or 'furnitures'. To quantify them, use measure expressions: a piece of advice, a litre of water, two items of furniture.
Which English nouns are uncountable that learners often treat as countable?
The most common errors involve: advice (not 'advices'), information (not 'informations'), furniture (not 'furnitures'), equipment (not 'equipments'), luggage (not 'luggages'), progress (not 'progresses'), homework (not 'homeworks'), and traffic (not 'traffics'). These nouns are countable in many other languages, which is why the error persists even at B2 level. The fix is always a measure expression: 'three pieces of advice', 'a lot of information'.
What are the irregular plural forms of English nouns?
Key irregular plurals: man → men, woman → women, child → children, tooth → teeth, foot → feet, person → people, mouse → mice, goose → geese. Some nouns do not change at all: sheep → sheep, fish → fish, deer → deer, aircraft → aircraft, series → series. Nouns ending in -f/-fe often change to -ves: shelf → shelves, knife → knives, life → lives (exceptions: roof → roofs, chief → chiefs).
Is 'news' singular or plural? What about 'police' and 'mathematics'?
'News' looks plural but is always singular: 'The news is shocking', 'Was the news good?' — never 'the news are'. 'Police' is always plural and has no singular: 'The police are searching'; for one officer say 'a police officer'. Academic disciplines ending in -s (mathematics, physics, economics, athletics, politics) are singular: 'Mathematics is my favourite subject.' Clothing/tool plurals (jeans, trousers, scissors, glasses) are always plural: 'These jeans are too tight.'
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