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Subject-Verb Agreement in English — The One Grammar Rule That Trips Up Everyone - Concord Explained

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Subject-Verb Agreement (Concord)

Match singular and plural subjects to the right verbs - collective nouns, indefinite pronouns, there is/are, and tricky concord rules.

Core concord patterns: singular and plural agreement in complex noun phrases

Subject verb agreement at an advanced level is not only about obvious singular and plural nouns. It also depends on the grammatical head of the subject, the meaning of the expression, and whether the noun phrase contains quantity, measurement, or partitive structures. • A singular subject takes a singular verb and a plural subject takes a plural verb, but advanced sentences often hide the head noun inside longer phrases. • In phrases such as the box of chocolates, the box is the head noun, so the verb agrees with box, not chocolates. • Quantities, amounts of money, time, distance, and measurements are usually treated as singular when viewed as a single amount: ten dollars is enough, two hours is a long wait, and five kilometers is a fair distance. • The number of means a specific quantity and takes a singular verb, while a number of means several and takes a plural verb. • Words like each, every, either, neither, one, and each of usually signal singular agreement, even when they refer to more than one item. • Percentages and fractions agree with the noun that follows them: fifty percent of the students are absent, but fifty percent of the cake is gone. Advanced exam questions often test whether you can identify the true subject rather than the nearest noun. When the subject includes of, the phrase after of does not automatically control the verb. Instead, decide whether the main noun is singular, plural, countable, or treated as a unit.

Examples

• The box of chocolates is on the table. (box is the subject head) • Ten dollars is enough for the ticket. (amount treated as one sum) • The number of applicants is rising. (the number means one figure) • A number of applicants are waiting outside. (a number of means several) • Fifty percent of the students are present. (students is plural) • Each of the candidates has submitted a form. (each is singular)

Tips

Find the head noun first; do not be distracted by the noun next to the verb. Treat money, time, distance, and measurements as singular when they represent one total unit.

Agreement with coordination, indefinites, and relative clauses

Many advanced concord errors come from subjects joined by and, or, nor, and from pronoun-like structures such as indefinite pronouns and partitives. The key is to identify whether the subject is acting as a single unit or as separate alternatives. • Subjects joined by and normally take a plural verb: my brother and sister are arriving. If the two nouns refer to one idea, place, or person, a singular verb may be possible: fish and chips is a popular snack. • With or and nor, the verb agrees with the nearest subject in standard formal English: neither the teacher nor the students are prepared. This is called the proximity rule. • Indefinite pronouns such as everyone, everybody, somebody, someone, anyone, anything, each, and neither are singular. Words such as both, many, several, few, and both of are plural. • Some, all, most, and none can be singular or plural depending on the noun they refer to: all of the cake is gone, but all of the cakes are gone. • In relative clauses, the verb agrees with the antecedent inside the clause. One of the students who are missing has apologized, but the student who is missing has apologized. • Structures like one of, either of, neither of, and each of usually take singular agreement in the main clause, though the noun in the of phrase may be plural. These patterns are frequent in exams because they require you to match grammar with meaning across clauses, not just within one clause.

Examples

• My parents and my uncle are coming. (compound subject, plural) • Neither the manager nor the assistants were informed. (nearest subject controls verb) • Everyone on the committee has agreed. (everyone is singular) • Some of the milk is spoiled. (milk is uncountable singular) • One of the players who are injured is absent. (players in relative clause, one in main clause) • The student who speaks French is the new monitor. (student is singular)

Tips

For and, usually think plural; for or and nor, check the nearest subject. In relative clauses, ask whether the clause describes one noun or many nouns.

Singular and plural subjects with simple present verbs

Subject-verb agreement means the verb must match the subject. If the subject is singular, use a singular verb. If the subject is plural, use a plural verb. In the simple present tense, singular subjects often take an -s form. For example, she walks, he plays, and the dog runs. Plural subjects do not take -s: they walk, we play, and the dogs run. Remember that the subject tells you who or what does the action. Do not look only at the verb form in the sentence. First find the subject, then choose the correct verb. • Singular subject: The cat sleeps. • Plural subject: The cats sleep. • Third person singular takes -s in the present tense: he talks, she opens, it rains. • Plural subjects use the base form: they talk, we open, they rain. • With he, she, and it, the verb is usually singular in the present simple. This basic rule is the foundation of concord. If you learn to match one subject with one verb, many other agreement rules become easier.

Examples

• She reads every evening. (singular subject, singular verb) • They read every evening. (plural subject, plural verb) • My brother watches cartoons. (he/she/it takes -s) • The students study hard. (plural subject, base verb) • It looks warm today. (it takes singular verb) • We live near the school. (plural subject, base verb)

Tips

Find the subject first, then choose the verb. Remember: singular in the present tense often ends in -s, but plural verbs usually do not.

Be, have, do, and compound subjects with and

The verbs be, have, and do are common and important in subject-verb agreement. Their forms change according to the subject. Use is with singular subjects and are with plural subjects. Use has with singular subjects and have with plural subjects. Use does with singular subjects and do with plural subjects. These verbs often appear in short answers, negatives, and questions, so it is important to learn them well. • Singular: She is happy. He has a bike. It does not work. • Plural: They are happy. We have a bike. They do not work. When two subjects are joined by and, they usually make a plural subject. The verb should usually be plural. • The boy and the girl are ready. • My pen and notebook are on the desk. Sometimes one person or thing is described with two words, like fish and chips or the name of one company. But at beginner level, remember the simple rule: subject plus and plus subject usually takes a plural verb.

Examples

• He is my friend. (singular subject, form of be) • They are my friends. (plural subject, form of be) • The child has a toy. (singular subject, has) • The children have toys. (plural subject, have) • She does her homework. (singular subject, does) • Tom and Anna are classmates. (compound subject with and) • The table and the chair are new. (two subjects joined by and)

Tips

Learn the special forms of be, have, and do. For subjects joined by and, think plural unless you clearly mean one thing.

Common agreement patterns: or/nor, there is/are, and phrases between subject and verb

Some sentences are a little longer, but the same rule still applies: the verb must match the real subject. When a phrase comes between the subject and the verb, do not let it confuse you. The subject is usually before the phrase. For example, The box of chocolates is on the table. The subject is box, not chocolates, so the verb is singular. Use there is with singular subjects and there are with plural subjects. The word there is not the subject. The real subject comes after the verb. • There is a book on the desk. • There are three books on the desk. With subjects joined by or or nor, the verb usually agrees with the subject nearest to it. This is called the proximity rule. • Neither the teacher nor the students are ready. • Either the students or the teacher is present. At beginner level, focus on three ideas: find the real subject, use there is/are correctly, and match the verb to the nearest subject when you see or or nor.

Examples

• The bag of apples is heavy. (bag is the subject) • The flowers in the vase are fresh. (flowers is the subject) • There is a lamp in the room. (singular subject after there) • There are two lamps in the room. (plural subject after there) • Either my sister or my parents are coming. (nearest subject is plural) • Neither the books nor the pen is mine. (nearest subject is singular)

Tips

Ignore extra words between the subject and verb. After there, look at the noun that comes next. With or/nor, check the subject closest to the verb.

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