Grammatical Agreement: Rules, Types & Examples

Grammatical Agreement: The grammatical relationship between words that requires them to match in number, person, gender, or other grammatical features. In English, grammatical agreement most commonly appears in subject-verb agreement, pronoun agreement, and determiner agreement.

For example:

Correct: She writes every day.
Incorrect: She write every day.

The subject she requires the singular verb form writes. This relationship helps readers understand sentences clearly and correctly.

Learning grammatical agreement helps students, teachers, ESL learners, writers, and professionals improve their grammar, avoid common mistakes, and communicate more effectively.

What Is Grammatical Agreement?

Grammatical agreement, also called concord, occurs when two or more words match according to grammatical rules. These rules determine which verb form, pronoun, or other word a sentence requires.

Consider these examples:

The student works hard.
The students work hard.
This book is interesting.
These books are interesting.

The words change according to the grammatical features of their subjects or nouns. In the first two examples, the verb changes to agree with the subject’s number. In the last two, the demonstratives and verbs agree with the singular or plural nouns.

English uses several types of grammatical agreement, but subject-verb agreement remains one of the most important.

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Why Is Grammatical Agreement Important?

Grammatical agreement makes sentences grammatically correct, clear, and natural. Without it, readers may find sentences awkward or difficult to understand.

It helps writers:

Match verbs correctly with their subjects.
Use pronouns that refer clearly to their antecedents.
Choose appropriate singular and plural forms.
Avoid common grammatical errors in academic and professional writing.
Improve sentence structure and overall readability.
Communicate accurately in formal and informal situations.

For example:

Incorrect: The children plays outside.
Correct: The children play outside.

The plural subject children requires the plural verb play.

Types of Grammatical Agreement

English grammar includes several forms of agreement. Each type follows specific rules.

1. Subject-Verb Agreement

Subject-verb agreement requires a verb to match its subject in person and number.

Examples:

He runs every morning.
They run every morning.
The dog barks loudly.
The dogs bark loudly.

In the simple present tense, third-person singular subjects generally take verbs ending in -s or -es. Plural subjects usually take the base form.

However, the verb be follows its own patterns:

I am ready.
She is ready.
They are ready.

2. Pronoun-Antecedent Agreement

Pronoun-antecedent agreement requires a pronoun to match the noun or noun phrase it replaces in number and, where relevant, person or gender.

Examples:

Maria forgot her notebook.
The boys packed their bags.
The company changed its policy.

The noun that a pronoun refers to is called its antecedent.

Incorrect: Every student must bring their book.
Correct in traditional formal agreement: Every student must bring his or her book.

Note: Singular they is widely accepted in modern English, including formal writing, when the person’s gender is unknown, irrelevant, or when the person uses they/them pronouns.

For example: Every student must bring their book.

3. Determiner-Noun Agreement

Determiners such as this, that, these, and those must match the number of the nouns they modify.

Examples:

This chair is comfortable.
These chairs are comfortable.
That building looks tall.
Those buildings look tall.

Use this and that with singular nouns, and use these and those with plural nouns.

4. Agreement in Number

Number agreement concerns whether grammatical elements refer to singular or plural entities.

Examples:

The bird flies south.
The birds fly south.
This apple is fresh.
These apples are fresh.

Remember that some nouns have irregular plural forms, including children, people, men, and women. Choose the verb according to the noun’s grammatical number.

5. Agreement in Person

Person agreement refers to the relationship between the subject and the verb forms associated with first, second, and third person.

Examples:

I work from home.
You work from home.
She works from home.
We work from home.
They work from home.

In the simple present tense, most English verbs add -s or -es only with third-person singular subjects.

6. Agreement with Collective Nouns

A collective noun names a group, such as team, family, committee, or audience.

In American English, collective nouns generally take singular verbs when the group acts as one unit.

Examples:

The team is ready.
The committee has approved the proposal.
My family lives nearby.

British English more readily allows plural agreement when the writer emphasizes individual members.

For example:

The team is arguing among themselves.

The appropriate choice depends on the intended meaning and the variety of English.

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Subject-Verb Agreement Rules

Subject-verb agreement includes several rules that help you choose the correct verb form.

Rule 1: Singular Subjects Take Singular Verbs

A singular subject generally takes a singular verb in the simple present tense.

Examples:

The teacher explains the lesson.
My brother plays football.
The cat sleeps on the sofa.

Incorrect: The teacher explain the lesson.
Correct: The teacher explains the lesson.

Rule 2: Plural Subjects Take Plural Verbs

Plural subjects generally take plural verb forms in the simple present tense.

Examples:

The teachers explain the lesson.
My brothers play football.
The cats sleep on the sofa.

Incorrect: The students studies every evening.
Correct: The students study every evening.

Rule 3: Two Subjects Joined by “And” Usually Take a Plural Verb

When two separate subjects join with and, they usually take a plural verb.

Examples:

Ali and Ahmed are classmates.
My mother and father work together.
Reading and writing improve communication skills.

However, a compound subject that represents one combined idea or a single unit can take a singular verb.

Example: Bread and butter is my usual breakfast.

Rule 4: Subjects Joined by “Or” or “Nor”

When subjects join with or or nor, the verb generally agrees with the subject closest to it.

Examples:

Either the teacher or the students are responsible.
Either the students or the teacher is responsible.
Neither Ali nor his friends were available.

For clarity, rewrite awkward sentences when the subjects have different numbers.

Rule 5: Indefinite Pronouns Often Take Singular Verbs

Indefinite pronouns such as everyone, everybody, someone, somebody, anyone, anybody, no one, and nobody generally take singular verbs.

Examples:

Everyone is welcome.
Somebody has taken my pen.
Nobody knows the answer.
Each deserves a chance.

By contrast, both, few, many, and several generally take plural verbs.

Examples:

Both are correct.
Many have applied.
Several were absent.

Some indefinite pronouns, including all, some, most, and none, depend on the noun or meaning they refer to.

Examples:

Some of the water is cold.
Some of the students are absent.

Rule 6: “Each” and “Every” Take Singular Verbs

When each or every introduces a singular subject, use a singular verb.

Examples:

Each student has a notebook.
Every employee receives training.
Each of the answers is correct.
Every room needs cleaning.

Incorrect: Every student have a book.
Correct: Every student has a book.

Rule 7: Do Not Let Words Between the Subject and Verb Confuse You

A phrase between the subject and the verb does not usually change the subject’s number.

Examples:

The box of chocolates is empty.
The students in the classroom are quiet.
The quality of these products is excellent.

The subject in the first sentence is box, not chocolates. Therefore, the verb takes the singular form is.

Rule 8: Subjects Beginning with “There” or “Here”

In sentences that begin with there or here, the verb agrees with the actual subject, which often follows the verb.

Examples:

There is a book on the table.
There are three books on the table.
Here comes the bus.
Here come the guests.

To check agreement, identify the noun that the sentence describes as existing or arriving.

Rule 9: Titles and Names Usually Take Singular Verbs

Titles of books, films, organizations, and other named works generally take singular verbs when they refer to one work or entity.

Examples:

The Chronicles of Narnia is a popular book series.
Great Expectations is a novel by Charles Dickens.
The United Nations is an international organization.

The grammatical form of a title does not necessarily determine its agreement.

Rule 10: Amounts, Measurements, and Time Periods

An amount of money, a measurement, or a period of time generally takes a singular verb when it represents one total unit.

Examples:

Ten dollars is enough.
Five kilometers is a long distance to walk.
Three hours is sufficient.
Twenty kilograms is the maximum weight.

Use a plural verb when the sentence emphasizes separate units or individual items.

Example: Ten dollars were scattered across the floor.

Rule 11: Fractions and Percentages

Fractions and percentages usually agree with the noun that follows of.

Examples:

Half of the cake is gone.
Half of the students are absent.
Sixty percent of the land is dry.
Sixty percent of the employees are satisfied.

Identify the noun after of to select the appropriate verb.

Rule 12: Nouns That Look Plural

Some nouns ending in -s take singular verbs because they name a subject, field, or activity.

Examples:

Mathematics is challenging.
Physics is interesting.
The news is encouraging.
Economics is a useful subject.

Other nouns, such as scissors, trousers, and glasses, generally take plural verbs when they refer to the objects.

Examples:

The scissors are sharp.
My trousers are clean.

Use a pair of with a singular verb when the sentence treats the object as one pair.

Example: A pair of scissors is on the desk.

Rule 13: Relative Pronouns

The verbs in relative clauses beginning with who, which, or that generally agree with the antecedent of the relative pronoun.

Examples:

She is one of the students who work hard.
He is the only student who works hard.
I own a book that explains this rule.

In the first example, who refers to students, so the clause takes work. In the second, who refers to the only student, so the clause takes a singular verb.

Rule 14: “A Number of” and “The Number of”

These expressions take different verb forms.

A number of students are absent.
The number of students is increasing.

A number of means several, so it takes a plural verb. The number of refers to one numerical total, so it takes a singular verb.

Rule 15: Gerunds and Infinitives as Subjects

A gerund or infinitive phrase acting as one activity or concept usually takes a singular verb.

Examples:

Swimming is good exercise.
Learning new languages takes time.
To forgive is difficult.
Reading and writing are essential skills.

In the last example, reading and writing represent two distinct skills, so the sentence uses a plural verb.

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Pronoun-Antecedent Agreement Rules

Pronouns should clearly and logically agree with their antecedents.

Rule 1: Match Singular Antecedents Appropriately

Examples:

The girl finished her homework.
The dog wagged its tail.
My friend said they would call later.

Use a pronoun that matches the intended reference and the person’s preferred pronouns.

Rule 2: Match Plural Antecedents with Plural Pronouns

Examples:

The players changed their uniforms.
The students submitted their assignments.
The books lost their covers.

Rule 3: Avoid Ambiguous Pronouns

A pronoun should make its intended reference clear.

Unclear: Sarah told Emma that she had won.

Who won, Sarah or Emma?

Clear: Sarah told Emma, “I won.”

Alternatively: Sarah told Emma that Emma had won.

Rule 4: Use Singular “They” Correctly

English speakers commonly use they, them, and their for a person whose gender is unknown or for someone who uses these pronouns.

Examples:

Someone left their phone here.
Every applicant should submit their form.
Jordan said they would arrive early.

Singular they also works when a writer wants to avoid assuming someone’s gender.

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Common Grammatical Agreement Errors

The following examples show frequent agreement mistakes and their corrections.

Incorrect sentence	Correct sentence
She walk to school.	She walks to school.
They is happy.	They are happy.
Everyone have a choice.	Everyone has a choice.
The list of items are long.	The list of items is long.
Each of the boys have a bag.	Each of the boys has a bag.
Neither answer are correct.	Neither answer is correct.
The news are surprising.	The news is surprising.
There is many problems.	There are many problems.
A number of students is absent.	A number of students are absent.
The number of applicants are rising.	The number of applicants is rising.

Grammatical Agreement vs. Subject-Verb Agreement

Grammatical agreement is the broader concept, while subject-verb agreement is one specific type.

Feature	Grammatical agreement	Subject-verb agreement
Meaning	Matching grammatical features between words	Matching the verb with its subject
Scope	Includes several types of agreement	Focuses on subjects and verbs
Examples	These books; their bags	She writes; they write
Main concern	Consistency between related words	Correct verb form

Therefore, subject-verb agreement falls under the broader category of grammatical agreement.

Grammatical Agreement vs Grammatical Concord

The terms grammatical agreement and grammatical concord often refer to the same general concept. Linguists and grammar references frequently use concord as another name for agreement.

Both terms describe relationships between grammatical elements, such as a subject and its verb or a pronoun and its antecedent.

Example:

The child plays outside.

The singular subject child agrees with the verb plays. This relationship demonstrates grammatical concord.

How to Identify Grammatical Agreement in a Sentence

Follow these steps to check a sentence for agreement errors.

Identify the subject. Find the person, place, thing, or idea that performs the action or that the sentence describes.
Determine the subject’s number. Decide whether the subject is singular or plural.
Identify the verb. Check whether the verb form matches the subject.
Ignore distracting phrases. Do not let words between the subject and verb determine agreement.
Check pronouns and antecedents. Make sure each pronoun clearly refers to the intended noun or person.
Review determiners. Check forms such as this, that, these, and those.
Read the sentence again. Confirm that the sentence sounds natural and follows standard grammar rules.

Example:

Incorrect: The basket of apples are on the table.

1: The subject is basket.
2: Basket is singular.
3: The correct verb is is.
Correct sentence: The basket of apples is on the table.

Tips for Mastering Grammatical Agreement

Use these strategies to improve your agreement skills.

Learn the basic subject-verb agreement rules first.
Memorize common indefinite pronouns and their usual verb forms.
Identify the main subject before selecting a verb.
Pay attention to collective nouns and expressions such as a number of.
Practice with both correct and incorrect examples.
Read well-edited English books and articles.
Proofread academic assignments and professional documents carefully.
Use grammar exercises to reinforce your understanding.

Consistent practice helps you recognize agreement patterns and apply them naturally.

Conclusion

Grammatical Agreement is an essential part of English grammar. It ensures that subjects and verbs, pronouns and antecedents, and determiners and nouns follow the appropriate grammatical relationships.

To use grammatical agreement correctly, identify the main subject, choose the appropriate verb, check pronoun references, and review singular and plural forms.

By learning the rules and practicing with examples, you can write clearer sentences and communicate more confidently in academic, professional, and everyday English.