Mastering Subject-Verb Agreement Rules with Examples is essential for clear writing and error-free grammar. This comprehensive guide breaks down key sentence structures, correct usage patterns, and common exceptions to help you build grammatically sound English sentences.
What Are the Essential Subject-Verb Agreement Rules?
Proper sentence structure requires that subjects and verbs match correctly in number, person, and context. Below are the foundational rules and common patterns you need to know.
Rule 1: Interrogative and Assertive Clause Order
Interrogative is not twice in a sentence. The first sentence is Interrogative and the second is Assertive. However, there is a question mark at the end of the sentence.
Incorrect: Do you know where does he live?
Correct: Do you know where he lives?
Rule 2: Managing Double Negatives
Negative is not twice in a sentence. That is, negative words such as unless, until etc. are not followed by not.
Inc: Wait here until I do not come.
Cor: Wait here until I come.
Rule 3: Using 'Many a' with Singular Subjects
If there is many a before the Subject in the Sentence, then the Subject will be the 3rd Person Singular Number and the Verb and Singular Number.
Inc: Many a boys were present in the meeting.
Cor: Many a boy was present in the meeting.
Rule 4: Agreement of Possessive Pronouns
Subject is Possessive according to its Number.
Inc: Rahim and Karim are attentive to his lessons.
Cor: Rahim and Karim are attentive to their lessons.
Rule 5: Distinguishing Between Hung and Hanged
Hung and hanged. Past Tense - Hung means hanging something and Past Tense - Hanged means hanging someone for punishment.
Inc: He hanged the shirt on the wall.
Cor: He hung the shirt on the wall.
Inc: He was hung for the killing.
Cor: He was hanged for the killing.
Rule 6: Comparative Degree Structure with 'That'
'That' is followed by than of or those of in comparative degree.
Note: singular that of and plural those of.
Inc: The rice of Barisal is better than Khulna.
Cor: The rice of Barisal is better than that of Khulna.
Inc: The mangoes of Rajshahi are better than Khulna.
Cor: The mangoes of Rajshahi are better than those of Khulna.
Rule 7: Correlative Pairs in Sentence Structures
No sooner + had ...... than.
Note: However, hardly or scarcely, it is followed by had and then when.
- No sooner had we reached the station than the train left.
- Hardly had we reached the station when the train left.
- Scarcely had we reached the station when the train left.
- Hardly had he seen me when he ran away.
Rule 8: Avoiding Redundancy
A Sentence does not have two words with the same meaning.
Inc: He is comparatively better today.
Cor: He is comparatively well today.
Rule 9: Using 'Lest' with Should or Might
Subject after 'Lest' Conjunction takes should / might. 'Lest' is used in the negative sense. So after that there is no other Negative.
Inc: He walked fast last he missed the train.
Cor: He walked fastest he might miss the train.
Rule 10: Mandatory Presence of Subjects
Generally Sentence is not without Subject. So if there is no Subjcet in a sentence, it has to be inserted.
Inc: Me went there.
Cor: I went there.
Rule 11: Supplying Implied Nouns with Possessive Pronouns
Even if the word school, village etc. is not mentioned after the noun of the possessive case, but if there is no mention of any such word before, such word should be used in the case of the pronoun of the possessive case.
Inc: He came to my.
Cor: He came to my village.
Inc: He gave me some books, pens and others.
Cor: He gave me some books, pens and other things.
Rule 12: Redundancy with 'Cousin'
Brother, Sister etc. words are unnecessary after the word cousin.
Inc: Abid is my cousin brother.
Cor: Abid is my cousin.
Rule 13: Invariant Singular and Plural Nouns
Sheep, dear and some other Nouns have the same Singular and Plural form. So one sheep, ten sheep is to be written.
Inc: He sold ten sheeps.
Cor: He sold ten sheep.
Rule 14: Numerical Adjectives Preceding Dozen or Hundred
Certain numerical adjectives such as one, two, three, four, etc., are not plural when they precede dozen, hundred, etc.
Inc: He bought three dozen of pens.
Cor: He bought three dozen of pens.
Rule 15: Matching Relative Pronouns with Antecedents
Relative pronouns usually have to be coordinated with antecedent. The verb used after the relative pronoun must fit the number and person of the antecedent.
Inc: It is you who has done this.
Cor: It is you who have done this.
đ Noun or Pronoun used before Relative Pronoun is called Antecedent.
Rule 16: Transitive Verbs Like 'Let'
'Let' is the transitive verb which is to be followed by the pronoun of the objective form.
Inc: Let him do the work.
Cor: Let him do the work.
Rule 17: Pronoun and Verb Agreement with Indefinite Subjects
When each, every, everybody, anybody, nobody, none etc. is used in the sentence as the subject, after these the Verb, Pronoun must be Singular.
Ine: Everybody have done their duties.
Cor: Everybody has done his duties.
Rule 18: Less vs. Fewer Usage
Less means quantity and fewer means number. So less water, less food, less money, less education, elsewhere fewer friends, fewer letters.
E.g.
Inc: Eat fewer food, you will feel better.
Cor: Eat less food, you will feel better.
Inc: I have less friends.
Cor: I have fewer friends.
Rule 19: Absolute Adjectives and Degrees
Very unique, rather unique, more unique, most unique — these are all wrong usages.
There can be no degree of uniqueness.
Inc: This is the most unique case.
Cor: This is a unique case.
Rule 20: Inversion After Negative Adverbs
When never, seldom, really, hardly, scarcely, neither-nor, not-only, no sooner sits at the beginning of a Complete Sentence, then sits before the Verb Subject like a questioning sentence.
Inc: No sooner the teacher had entered the classroom than the students stood up.
Cor: No sooner had the teacher entered the classroom than the students stood up.
Rule 21: Rules for 'Tell' vs. 'Say'
Tell cannot be used without Indirect Object in the sense of giving or ordering. Where not mentioned, say or any other verb should be used instead of tell.
Inc: Ruby tells that she is writing a letter.
Cor: Ruby says that she is writing a letter.
Rule 22: Collocations with Make, Do, and Commit
We must remember:
- We make - a mistake, an error, a blunder.
- We do - wrong, harm, injury.
- We commit - a fault, a crime, an offense, a sin.
Inc: He did a fault.
Cor: He committed a fault.
Rule 23: Prepositions Used with 'Die'
Die of disease, die of not eating; In case of accidental death or suicide die by; If you die for something extra, you die for and if you die for freedom or for the country, you die for.
Inc: He died of the country.
Cor: He died for the country
Inc: He died for cholera.
Cor: He died of cholera.
Inc: He died for an accident.
Cor: He died in an accident.
Or, he died by an accident.
Inc: He died by over eating.
Cor: He died from over eating.
Rule 24: Devoted to vs. Addicted to
Devoted to is used to mean affection for good deeds and addicted to is used to mean addiction to evil deeds.
Inc: He is addicted to study.
Cor: He is devoted to study.
Inc: He is devoted to drinking.
Cor: He is addicted to drinking
Rule 25: Refuse vs. Deny
Refuse is used to offer and deny to used to truth/words.
Inc: Lovely denied the proposal.
Cor: Lovely refused the proposal.
Inc: The man refused the debt.
Cor: The man denied the debt.
Rule 26: Prepositions and Adverbs
Preposition does not precede Adverb and Adverbial Phrase.
Inc: He has gone to home.
Cor: He has gone home.
Note: Home is the Adverb. So there is no preposition before home.
Inc: The man left the village in bag and baggage.
Cor: The man left the village bag and baggage.
Rule 27: Structure After 'Prefer'
After Prefer, if the Verb sits, it has to be turned into Gerund by adding ing to it, and to is used instead of than after the 1st gerund.
Inc: He prefers to read than to write.
Cor: He prefers reading to writing.
Rule 28: Parallelism in a Series
When a sentence contains a series of pieces of information, the same structure is used to express each piece of information.
Inc: He is sincere, hard-working and people like him.
Cor: He is sincere, hard-working and popular.
Inc: She likes to read, write and speak.
Cor: She likes to read, write and speak.
Rule 29: Fixed Phrases Without Prepositions
Phrase: No preposition is used before Out of doors, out of spirits, in detail, in a nut shell, to keep heart, on foot, heart and soul.
Inc: He went out of the door.
Cor: He went out of doors.
Inc: He told the story in nutshell.
Cor: He told the story in a nut shell.
Rule 30: Article Usage with 'Both'
After both sits the.
Inc: Both boys made good results.
Cor: Both the boys made good results.
Rule 31: Omission of 'The' Before Factitive Objects
Article the isn't used before factitive objects when using of Election, select, nominate, choose, appoint etc.
Inc: We elected him the captain of the team.
Cor: We elected him captain of the team.
Rule 32: Proper Usage of 'Fool' and 'Foolish'
Either a fool or a foolish man/boy etc.
Inc: He is a foolish.
Cor: He is a fool.
Or, He is a foolish man.
Rule 33: Article Restrictions Before Languages
Article the is used used before the name of a language.
Ine: He is reading the English.
Cor: He is reading English.
Rule 34: Rules for Material Nouns
Material Noun: Noun that cannot be counted, can be weighed, doesn't precede the.
Inc: The iron is very useful.
Cor: Iron is very useful.
However, if the Material Noun is specified, then the precedes the Material Noun.
Inc: Iron of this mill is good.
Cor: The iron of this mill is good.
Rule 35: Apposition and Definite Articles
Article the doesn't precede case in apposition / appositive.
Inc: Mr. Rahim, the principal of X college, is a learned man.
Cor: Mr. Rahim, Principal of X college, is a learned man.
Rule 36: Comparisons with Proper Nouns
When two persons / places with the same quality are compared, the one with whom they are compared sits before the.
In: Nazrul is Shelley of Bangladesh.
Cor: Nazrul is the Shelley of Bangladesh.
Rule 37: Quantity vs. Number Distinction
Less means quantity. And Fewer means number.
Inc: No less than fifty students were present.
Cor: No fewer than fifty students were present.
Rule 38: Uncountable vs. Countable Quantifiers
Quantity is used to uncountable nouns and number is used to countable nouns.
Inc: He bought a quantity of books.
Cor: He bought a number of books.
Rule 39: Work vs. Works
Work means work. And Works means the writings of any poet, writer, playwright, storyteller etc.
In: I have read the work of Nazrul.
Cor: I have read the works of Nazrul.
Rule 40: Uncountable Nouns in General
Usually machinery, scenery, advice, information, furniture, fruit are not plural.
Inc: He gave me some important informations.
Cor: He gave me some important information.
Rule 41: Throwing Substances vs. Spilling Liquids
Throwing means something substance and throwing liquid takes the word spill.
Inc: He threw the milk.
Cor: He spilled the milk.
Rule 42: Miscellaneous Vocabulary Usages
Inc: This is the most unique case.
Cor: This is a unique case.
Inc: He is a populous writer.
Cor: He is a popular writer.
Rule 43: Tall vs. High
Tall vs High.
Inc: The mountain is very tall.
Cor: The mountain is very high.
Inc: The man is very high.
Cor: The man is very tall.
Rule 44: Precise Adjective Pairings
Mutual means mutual, common means common. Fast means dark/deep/sincere etc. Sworn means extreme. Honorary means unpaid and honorable means honorable.
Inc: He is my sworn friend.
Cor: He is my close friend.
Inc: He is my fast enemy.
Cor: He is my sworn enemy
Key Takeaways
- Subjects and verbs must always agree in number and person, especially with indefinite pronouns like everybody or each.
- Avoid double negatives and redundant structures within the same clause.
- Use precise vocabulary choices (such as less for quantities and fewer for numbers).
- Pay close attention to correlative conjunction pairs and appropriate prepositional collocations.
Quick Practice
Test your understanding by dropping your answers in the comments below:
- Which sentence is correct: "Many a boy was present" or "Many a boys were present"?
- Fix this sentence: "He is my cousin brother."
FAQ
What is the main rule for indefinite pronouns and verbs?
When indefinite pronouns like each, every, everybody, anybody, nobody, and none are used as the subject, the verb and subsequent pronouns must be singular.
How do I choose between less and fewer?
Use less for uncountable quantities (like water or food) and fewer for countable numbers (like friends or letters).
Can a sentence contain double negatives?
No, negative words such as unless and until should not be followed by another negative word like not within the same clause.