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Subject-verb agreement is one of the fundamental aspects of English grammar, and as an editor, it is crucial to have a thorough understanding of this rule. Correct subject-verb agreement ensures that the meaning of a sentence is clear and easy to understand, making it essential for effective communication.

What is Subject-Verb Agreement?

Subject-verb agreement refers to the grammatical rule that states that the subject and verb in a sentence must agree in number, i.e., singular subjects take singular verbs, and plural subjects take plural verbs. In simple terms, the verb in a sentence must match the number of the subject. For instance, “He walks” is correct, whereas “He walk” is wrong because `he` is a singular noun, and the verb `walk` needs to agree with it.

Why is Subject-Verb Agreement Important?

Subject-verb agreement is essential to ensure that your sentences are grammatically correct and easy to comprehend. When there is a lack of agreement, a sentence can become confusing and difficult to understand, leading to misinterpretation or ambiguity. Such errors can impact the credibility of the writer, which is why it`s essential to check for proper subject-verb agreement when editing your work.

How to Identify Subject-Verb Agreement Errors

As an editor, it is imperative to identify and correct subject-verb agreement errors in your content. Here are a few tips to help you do so:

1. Identify the Subject and Verb: The first step is to determine the subject and verb in a sentence. The subject is typically the noun or pronoun that performs the action in a sentence, while the verb is the action word. Without identifying the subject and verb, you cannot correctly analyze subject-verb agreement.

2. Check for Number Agreement: Once you have identified the subject and verb, check whether they agree in number. For example, a singular subject requires a singular verb, while a plural subject requires a plural verb.

3. Watch for Tricky Word Pairs: There are a few word pairs that can cause confusion even for experienced writers. Some examples include “either/or,” “neither/nor,” “not only/but also,” and “each/everyone.” Ensure that the verb agrees with the noun that comes closest to it in such cases.

4. Look for Compound Subjects: In a sentence with a compound subject, the verb must agree with the subject closest to it. For instance, “The boy and the girl are playing” is correct, whereas “The boy and the girl is playing” is incorrect.


Subject-verb agreement is a crucial component of English grammar that contributes to effective communication. As an editor, it is essential to understand and implement this rule to ensure the clarity and consistency of your content. By following the tips mentioned above, you can easily identify and correct subject-verb agreement errors when editing your work.