Subject and verb agreement is a fundamental rule of English grammar that ensures the verb in a sentence matches its subject in number and person. When the subject is singular, the verb takes a singular form; when the subject is plural, the verb takes a plural form. Mastering this concept helps writers and speakers produce clear, grammatically correct sentences, which is essential for effective communication in academic, professional, and everyday contexts.
Introduction to Subject and Verb Agreement
At its core, subject and verb agreement is about harmony between two sentence components: the subject (who or what performs the action) and the verb (the action or state of being). If they disagree, the sentence sounds awkward and can confuse the reader. Here's one way to look at it: “The dog barks loudly” is correct because the singular subject dog pairs with the singular verb barks. Conversely, “The dogs barks loudly” is incorrect; the plural subject dogs requires the plural verb bark.
Understanding this rule is not merely an academic exercise; it influences how credible your writing appears. Errors in agreement can distract readers, undermine arguments, and even change the intended meaning. So, grasping the nuances of subject and verb agreement is a vital step toward writing with precision and confidence.
Why Subject and Verb Agreement Matters
- Clarity – Correct agreement eliminates ambiguity, letting readers focus on the message rather than deciphering grammar mistakes.
- Credibility – Consistently correct grammar signals attention to detail and linguistic competence.
- Flow – Sentences that follow agreement rules read smoothly, enhancing the overall rhythm of your writing.
- Standardized Communication – In formal writing (essays, reports, emails), adhering to agreed‑upon conventions ensures mutual understanding across diverse audiences.
Basic Rules of Subject and Verb Agreement
1. Singular Subjects Take Singular Verbs
- The cat runs fast.
- She writes every day.
2. Plural Subjects Take Plural Verbs
- The cats run fast.
- They write every day.
3. Compound Subjects Joined by “and” Usually Take a Plural Verb
- Tom and Jerry are best friends.
- The book and the pen lie on the table.
4. Compound Subjects Joined by “or” or “nor” Agree with the Nearest Subject
- Neither the manager nor the assistants are ready. (plural assistants closest → plural verb)
- Either the assistants or the manager is responsible. (singular manager closest → singular verb)
5. Indefinite Pronouns Can Be Tricky
| Indefinite Pronoun | Typical Agreement | Example |
|---|---|---|
| anyone, everyone, somebody, nobody | singular | Everybody is invited. |
| both, few, many, several | plural | Several were late. On top of that, |
| all, any, more, most, none, some | depends on noun they refer to | All of the cake is gone. / All of the students are present. |
6. Collective Nouns May Be Singular or Plural
- The team wins the championship. (team as a single unit)
- The team are arguing among themselves. (emphasizing individual members)
In American English, collective nouns usually take singular verbs; British English often allows plural verbs when the group is thought of as a collection of individuals Still holds up..
7. Subjects Separated from Verbs by Phrases
Prepositional phrases, clauses, or modifiers that come between the subject and verb do not affect agreement. Identify the true subject first Small thing, real impact. Practical, not theoretical..
- The bouquet of roses smells sweet. (subject: bouquet, singular)
- The results of the experiment show a clear trend. (subject: results, plural)
8. Inverted Sentences (Questions, “There is/are” Constructions)
- Where are the keys? (subject keys follows verb)
- There is a problem with the schedule. (subject problem follows verb)
Common Pitfalls and How to Avoid Them
Pitfall 1: Misidentifying the Subject
Long sentences can hide the real subject.
On the flip side, Incorrect: The list of items were on the table. Correct: The list of items was on the table.
Tip: Strip away prepositional phrases to find the core noun.
Pitfall 2: Overlooking Indefinite Pronouns
Incorrect: Everyone have finished their work.
Correct: Everyone has finished their work It's one of those things that adds up. Nothing fancy..
Tip: Memorize the singular indefinite pronouns list.
Pitfall 3: Collective Noun Confusion
Incorrect: The staff are meeting every Monday. (if referring to the unit)
Correct: The staff is meeting every Monday Simple, but easy to overlook. But it adds up..
Tip: Decide whether you’re emphasizing the group as a whole or its members.
Pitfall 4: Misagreement with “or/nor”
Incorrect: Neither the players nor the coach were satisfied.
Correct: Neither the players nor the coach was satisfied Easy to understand, harder to ignore..
Tip: Match the verb to the subject closest to it.
Pitfall 5: Ignoring Inverted Structures
Incorrect: There are many reason for the delay.
Correct: There are many reasons for the delay.
Tip: In “there is/are” sentences, the verb agrees with the noun that follows That's the part that actually makes a difference..
Special Cases Worth Noting
Titles, Names, and Quantified Expressions
- The United Nations is an international organization. (treated as singular)
- Ten dollars is enough for the ticket. (amount considered a single sum)
Measurements, Time, Money, and Distance
These often take singular verbs when considered a unit:
- Five miles is a long walk.
- Three weeks was all we needed.
Subjects with “Each” and “Every”
- Each of the students has a textbook.
- Every cat and dog likes treats.
Subjects with “Number of”
- The number of applicants is increasing. (subject = number)
- A number of applicants were interviewed.