Subject-Verb Agreement in English: Rules, Uses, and Examples
Overview
Subject-verb agreement is the grammatical principle that a verb must match its subject in both person and number. When the subject is singular, the verb takes its singular form. When the subject is plural, the verb takes its plural form. Simple enough in a short sentence, but errors appear quickly once sentences grow more complex.
Words placed between the subject and the verb, subjects that look plural but act singular, and compound subjects joined by conjunctions all create situations where the agreement is less obvious. Learning to spot the true subject in any sentence is the skill that prevents most of these errors.
Some structures in this lesson appear at a slightly higher level, so do not worry if certain sections take more than one reading. The core rule is what matters first.
The Core Rule of Subject-Verb Agreement
The verb must agree with its subject, not with any other noun that appears nearby. This rule holds across every sentence structure and tense.
In the simple present tense, agreement is most visible because the verb form changes for the third person singular. Subjects such as he, she, it, and any singular noun require the s or es ending on a regular verb. All other persons use the base form.
When the subject becomes plural, the verb follows.
Singular and Plural Subjects
Singular Subjects
A singular subject refers to one person, one thing, or one idea. Singular subjects include the pronouns he, she, and it, as well as any singular noun such as the teacher, a car, or the city.
Plural Subjects
A plural subject refers to more than one person or thing. Plural subjects include the pronoun they and any plural noun, typically formed by adding s or es to the singular form.
The s moves from the verb to the noun as the sentence becomes plural. Explains becomes explain. Uses becomes use. Holds becomes hold.
The Pronouns I and You
Both I and you take the base form of the verb in the present tense, even though I is singular.
Only the third person singular (he, she, it) and singular nouns require the s ending.
Subject-Verb Agreement with To Be
The verb to be changes form for more persons than any other verb. Use this table as a reference.
| Subject | Present Tense Form |
|---|---|
| I | am |
| you | are |
| he / she / it | is |
| we / you / they | are |
The form is belongs only to third person singular subjects. Apart from I, everything else takes are.
When Words Come Between the Subject and the Verb
A word or phrase placed between the subject and the verb does not change the agreement. The verb must agree with the subject, not with the nearest noun.
A prepositional phrase such as of the students or on the table is the most common type of interruption. The noun inside the phrase is never the subject of the verb.
In the first sentence, the subject is list, not requirements. The verb is agrees with list. In the second, the subject is lists, so the verb becomes are. The word requirements stays the same in both because it belongs to the prepositional phrase.
Compound Subjects
A compound subject is formed when two or more subjects are joined by a conjunction. The conjunction determines whether the verb is singular or plural.
Subjects Joined by And
Two subjects joined by and form a plural subject. The verb takes its plural form even when both individual subjects are singular.
Subjects Joined by Or and Nor
When two subjects are joined by or or nor, the verb agrees with the subject closer to it.
In the first sentence, assistants is closer to the verb, so the verb is plural. In the second, manager is closer, so the verb is singular.
Indefinite Pronouns and Agreement
The five most common singular indefinite pronouns are everyone, someone, each, either, and neither. All five take a singular verb.
These pronouns feel as though they refer to multiple people, which is why errors are common. Grammatically, each one is singular.
The pronouns both, few, many, and several are always plural.
Common Mistakes to Avoid
Mistake 1: Agreeing with the Nearest Noun Instead of the Subject
When a phrase separates the subject from the verb, learners often match the verb to the noun inside that phrase. Always agree with the subject.
Mistake 2: Treating Compound Subjects Joined by And as Singular
Two subjects joined by and are always plural together.
Mistake 3: Using a Plural Verb with Indefinite Pronouns
Everyone, each, neither, and related pronouns are grammatically singular, even when they refer to a group.
Mistake 4: Misusing To Be with Subject Pronouns
Each form of to be belongs to specific subjects and cannot be swapped.
Mistake 5: Adding S to the Verb After Does in Questions and Negatives
When does or doesn't is used as an auxiliary, the main verb stays in its base form. Agreement in questions and negatives works the same way as in affirmative sentences.
Practice Exercises
Exercise 1: Choose the Correct Verb
Choose the correct verb form to complete each sentence.
- The captain of the team _______ (decide / decides) the final lineup.
- Both windows _______ (need / needs) a new frame.
- Everyone on the bus _______ (was / were) asked to show a ticket.
- The results of the experiment _______ (is / are) surprising.
- Neither the manager nor the employees _______ (know / knows) about the change.
- The cat and the dog _______ (is / are) both sleeping on the sofa.
- Each student _______ (receive / receives) a printed copy of the schedule.
- _______ (Do / Does) the instructions come with the product?
Exercise 2: Correct the Error
Each sentence contains one subject-verb agreement error. Rewrite the sentence correctly.
- The box of old letters were found in the attic.
- Somebody have left a bag near the entrance.
- The teacher and the assistant is preparing the materials.
- Do she always arrive this early?
- Several students has already submitted their work.
Exercise 3: Complete the Sentence
Write the correct present tense form of the verb in brackets.
- The price of the tickets _______ (increase) every year.
- My brother and his colleague _______ (travel) to the same city for work.
- Neither answer _______ (be) correct.
- Few people _______ (understand) the full process.
- The team _______ (meet) every Monday morning before class.
- No one in the office _______ (know) how to fix the printer.
Summary
| Structure | Rule | Example |
|---|---|---|
| Singular subject | Singular verb | The student studies every day. |
| Plural subject | Plural verb | The students study every day. |
| I | Base form | I work from home. |
| You | Base form | You need more practice. |
| Compound subject with and | Plural verb | Tom and Ana are here. |
| Compound subject with or / nor | Agree with closer subject | Tom or his siblings handle it. |
| Indefinite pronoun (everyone, each) | Singular verb | Everyone has a ticket. |
| Words between subject and verb | Agree with subject only | The list of tasks is ready. |
The verb always follows the subject. Spot the true subject in any sentence and the agreement takes care of itself.