Nouns and determiners A1 A2 B1

Count and uncount nouns

Treat nouns as countable or uncountable so articles, numbers, quantifiers, and verb agreement work naturally.

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図解ガイド

Count and uncount nouns: item or stuff?

Ask first: Can I point to one separate thing?

                    NOUN
                     │
        ┌────────────┴────────────┐
        │                         │
 YES: ITEM                    NO: STUFF / IDEA
 COUNT noun                   UNCOUNT noun
        │                         │
 a/an or number               no direct a/an or plural -s
 plural possible              amount words: some/much
        │                         │
 I bought a chair.            We need furniture.
 The chairs are ready.        This information is useful.
                                  │
                                  ▼
                         Need an exact number?
                         Count a unit, not the noun:
                         She gave me a piece of advice.

Choose item or stuff first; if it is stuff, count a unit of it, not the noun itself.

Introduction

Two ways to treat nouns

English nouns are treated in two practical ways. A count noun names separate units: one chair, two chairs, several chairs. An uncount noun names a mass, material, activity, or idea that English does not normally divide directly: furniture, water, work, advice. This choice controls articles, numbers, quantifiers, plural -s, and the verb. Compare I bought a chair. with We need furniture. The meaning may be similar, but the grammar is different: a chair is one item; furniture is a general category. When you learn a new noun, learn its usual count or uncount behavior with it.

Core 文法：A1 語彙：A1 Neutral

I bought a chair.

Chair is a count noun, so one item is a chair.

意味のかたまり

単語ごとではなく、意味のかたまりで文を読んでみましょう。

I bought

subject + verb

A simple action frame before the noun phrase.

a chair

singular count noun phrase

One countable item needs a determiner such as a.

ひとまとまりで覚える

Contrast 文法：A1 語彙：A1 Neutral

We need furniture.

Furniture refers to items like chairs and tables, but English treats it as uncount in general use.

意味のかたまり

単語ごとではなく、意味のかたまりで文を読んでみましょう。

We need

subject + verb

A common need/request frame.

furniture

uncount noun phrase

Furniture is usually uncount, so it has no plural -s here.

ひとまとまりで覚える

Core logic

The core logic

Count nouns have a singular form and a plural form. A singular count noun normally needs a determiner such as a, the, my, this, or one. A plural count noun can take numbers and plural agreement. Uncount nouns do not normally take a/an, do not normally add plural -s, and usually take singular agreement. The chairs are ready. uses plural count grammar. This information is useful. uses singular grammar because information is uncount. The rule is not about importance or size; it is about whether English is presenting the noun as separate countable units.

Core 文法：A1 語彙：A1 Neutral

The chairs are ready.

Chairs is plural count, so the verb is are.

意味のかたまり

単語ごとではなく、意味のかたまりで文を読んでみましょう。

The chairs

plural count noun phrase

A plural count noun can take plural -s.

ひとまとまりで覚える

are ready

plural verb phrase

Plural count nouns usually take plural agreement.

Cognitive metaphor

Items and material

Think of count nouns as items with natural edges and uncount nouns as material without clear edges. You can count cups, chairs, messages, and questions because each one is a separate unit. You do not directly count water, rice, information, or advice in everyday grammar. To count uncount meaning, put it into a container, measure, or unit word. Could I have two glasses of water? counts the glasses, not the water itself. She gave me a piece of advice. counts one piece, not advice as a plural noun.

Question 文法：A2 語彙：A1 Neutral

Could I have two glasses of water?

Water is uncount, so a container word makes it countable.

意味のかたまり

単語ごとではなく、意味のかたまりで文を読んでみましょう。

Could I have

polite request frame

A reusable polite request frame.

two glasses of water

unit + uncount noun

The number counts glasses, not water directly.

ひとまとまりで覚える

Core 文法：A2 語彙：A2 Neutral

She gave me a piece of advice.

Use a piece of advice for one suggestion.

意味のかたまり

単語ごとではなく、意味のかたまりで文を読んでみましょう。

She gave me

subject + verb + object

A common giving frame.

a piece of advice

unit + uncount noun

Advice is uncount; piece makes one item of it countable.

ひとまとまりで覚える

Core pattern

Reusable noun frames

Use four reusable frames: a/an + singular count noun; number + plural count noun; some/any + uncount noun; unit word + of + uncount noun. These frames help you choose articles and quantifiers before you speak. For count nouns, do not leave a singular noun alone: say a question, this question, or my question. For uncount nouns, do not use a/an directly: use some advice, enough time, or a piece of advice. If you are unsure, a lot of is a safe quantity phrase with both plural count nouns and uncount nouns.

Core 文法：A1 語彙：A1 Neutral

a question

Question is a count noun, so one question needs a determiner.

意味のかたまり

単語ごとではなく、意味のかたまりで文を読んでみましょう。

a question

count frame

One countable item with a/an.

ひとまとまりで覚える

Core 文法：A1 語彙：A2 Neutral

some advice

Advice is usually uncount, so use some advice, not an advice.

意味のかたまり

単語ごとではなく、意味のかたまりで文を読んでみましょう。

some advice

uncount quantity phrase

Some works naturally with uncount nouns.

ひとまとまりで覚える

Sentence xray

Sentence X-ray

Look at one mixed sentence: I need a pen, some paper, and two pieces of advice. I need sets up the request. A pen is singular count, so it uses a. Some paper treats paper as uncount material. Two pieces of advice uses the count noun pieces with a number; advice stays uncount after of. The sentence is natural because each noun has the grammar that matches how English presents it. This X-ray is useful for shopping, studying, office tasks, and asking for help.

Core 文法：A2 語彙：A2 Neutral

I need a pen, some paper, and two pieces of advice.

This sentence mixes singular count, uncount, and unit + uncount patterns.

意味のかたまり

単語ごとではなく、意味のかたまりで文を読んでみましょう。

I need

need frame

A reusable frame for requesting or stating necessity.

a pen

singular count noun phrase

One countable item with a.

some paper

uncount noun phrase

Paper is treated as uncount material here.

ひとまとまりで覚える

two pieces of advice

unit + uncount noun

The number counts pieces; advice stays uncount.

Usage rules

Quantifiers and agreement

Quantifiers must match the noun type. Use many, few, a few, several, and numbers with plural count nouns. Use much, little, a little, and amounts with uncount nouns. A lot of, lots of, some, any, no, and enough work with both count plural and uncount nouns. In negatives, We do not have many chairs. is count, but We do not have much time. is uncount. In questions, Is there any milk? uses any with uncount. With plural count nouns, use are there and a plural noun.

Negative 文法：A1 語彙：A1 Neutral

We do not have many chairs.

Use many with plural count nouns, especially in questions and negatives.

意味のかたまり

単語ごとではなく、意味のかたまりで文を読んでみましょう。

We do not have

negative possession frame

A reusable negative frame.

many chairs

many + plural count noun

Many is used with plural count nouns.

ひとまとまりで覚える

Negative 文法：A1 語彙：A1 Neutral

We do not have much time.

Use much with uncount nouns, especially in questions and negatives.

意味のかたまり

単語ごとではなく、意味のかたまりで文を読んでみましょう。

We do not have

negative possession frame

A reusable negative frame.

much time

much + uncount noun

Much is used with uncount nouns.

ひとまとまりで覚える

Question 文法：A1 語彙：A1 Neutral

Is there any milk?

Milk is uncount here, so the question uses is there.

意味のかたまり

単語ごとではなく、意味のかたまりで文を読んでみましょう。

Is there

existence question frame

A singular/uncount existence question frame.

any milk

any + uncount noun

Any is common in questions with uncount nouns.

ひとまとまりで覚える

Contrast

Commonly confused pairs

The closest confusion is often between an uncount noun and a count noun with similar meaning. Message is count, but information is uncount: There are three messages. not three informations. Job is count, but work is often uncount: I have two jobs. and I have a lot of work. Money is uncount in general, but dollars, coins, pounds, and euros are count units. Luggage, furniture, equipment, homework, news, and advice are usually uncount in general English, even when they refer to several real-world items.

Contrast 文法：A1 語彙：A2 Neutral

There are three messages.

Message is count; information with a similar meaning is uncount.

意味のかたまり

単語ごとではなく、意味のかたまりで文を読んでみましょう。

There are

existence statement

A plural existence frame.

three messages

number + plural count noun

Message is count, so it can take a number and plural -s.

ひとまとまりで覚える

Contrast 文法：A1 語彙：A1 Neutral

I have two jobs.

Job is count; work is often uncount.

意味のかたまり

単語ごとではなく、意味のかたまりで文を読んでみましょう。

I have

possession frame

A common possession frame.

two jobs

number + plural count noun

Job is count, so it can take a number and plural -s.

ひとまとまりで覚える

Contrast 文法：A1 語彙：A1 Neutral

I have a lot of work.

Work is usually uncount when it means tasks or effort in general.

意味のかたまり

単語ごとではなく、意味のかたまりで文を読んでみましょう。

I have

possession frame

A common possession frame.

a lot of work

quantity phrase with uncount noun

A lot of works with uncount nouns.

ひとまとまりで覚える

Form variations

Meaning can change the form

Some nouns can be count or uncount when the meaning changes. Food and drink words often become count nouns for servings: I ordered a coffee. means one cup or serving. Animal words may be count for the animal and uncount for the meat: There is chicken in the soup. Room can mean a countable place or uncount space; paper can mean material or a document/newspaper. You can also count types of an uncount substance with kind/type: three cheeses means three kinds of cheese, not necessarily three individual pieces.

Exception 文法：A2 語彙：A1 Neutral

I ordered a coffee.

Coffee is often uncount as a drink, but countable for servings.

意味のかたまり

単語ごとではなく、意味のかたまりで文を読んでみましょう。

I ordered

ordering frame

A common restaurant or shopping frame.

a coffee

serving as count noun

A coffee means one cup or serving of coffee.

ひとまとまりで覚える

Exception 文法：A2 語彙：A1 Neutral

There is chicken in the soup.

Chicken is uncount here because it means meat, not individual birds.

意味のかたまり

単語ごとではなく、意味のかたまりで文を読んでみましょう。

There is

existence frame

A singular/uncount existence frame.

chicken in the soup

uncount meat noun phrase

Chicken means meat here, so it is uncount.

ひとまとまりで覚える

Danger zone

The most common errors come from forcing uncount nouns into count grammar. Mistake: I need an advice. Corrected: I need some advice. Use a piece of advice if you mean one specific suggestion. Mistake: These informations are useful. Corrected: This information is useful. Use pieces of information when separate facts are important. Also be careful with verb agreement: furniture is, news is, equipment is. For quantity questions, prefer how much money, how much luggage, and how much homework; use how many with count units such as dollars, bags, or assignments.

Mistake 文法：A1 語彙：A2 Neutral

I need an advice.

Advice is uncount, so a/an cannot be used directly with it.

Corrected 文法：A1 語彙：A2 Neutral

I need some advice.

Use some advice for an unspecified amount of advice.

意味のかたまり

単語ごとではなく、意味のかたまりで文を読んでみましょう。

I need

need frame

A reusable frame for requests and needs.

some advice

some + uncount noun

Some advice is the natural uncount form.

ひとまとまりで覚える

Mistake 文法：A1 語彙：A2 Neutral

These informations are useful.

Information is uncount, so it does not normally take plural -s.

Corrected 文法：A1 語彙：A2 Neutral

This information is useful.

Use singular agreement with the uncount noun information.

意味のかたまり

単語ごとではなく、意味のかたまりで文を読んでみましょう。

This information

uncount noun subject

Information is uncount and takes singular grammar.

ひとまとまりで覚える

is useful

singular adjective complement

The verb is agrees with the uncount subject.

Summary

Practical checklist

First ask: is English treating this noun as separate units or as an amount/category? If it is one count unit, use a/an or another determiner. If it is more than one count unit, use plural -s, numbers, many, and plural verb forms. If it is uncount, use no a/an, no plural -s, singular agreement, and quantifiers such as some, much, little, or a lot of. When you need to count uncount meaning, add a unit word: piece, glass, cup, bottle, kilo, kind, or type.

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Count and uncount nouns

Count and uncount nouns: item or stuff?

Two ways to treat nouns

意味のかたまり

意味のかたまり

The core logic

意味のかたまり

Items and material

意味のかたまり

意味のかたまり

Reusable noun frames

意味のかたまり

意味のかたまり

Sentence X-ray

意味のかたまり

Quantifiers and agreement

意味のかたまり

意味のかたまり

意味のかたまり

Commonly confused pairs

意味のかたまり

意味のかたまり

意味のかたまり

Meaning can change the form

意味のかたまり

意味のかたまり

Danger zone

意味のかたまり

意味のかたまり

Practical checklist

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