Sentence agreement rules are essential in writing clear and concise content that engages readers. When constructing sentences, it is crucial to ensure that each element within the sentence agrees with one another. This way, readers can understand the message being conveyed easily.

Subject-Verb Agreement

One of the most important sentence agreement rules is subject-verb agreement. This agreement means that the subject and verb of the sentence must agree in number. For example, if the subject of the sentence is singular, the verb must be singular, and if the subject is plural, the verb must be plural. This agreement ensures that the sentence`s meaning is not lost, and the message is communicated correctly.


Incorrect: The books on the shelf are organized by color.

Correct: The books on the shelf are organized by colors.

Incorrect: The book on the shelf are organized by colors.

Correct: The book on the shelf is organized by colors.

Pronoun-Antecedent Agreement

Another essential sentence agreement rule is pronoun-antecedent agreement. This agreement states that the pronoun used in the sentence must agree in number, gender, and person with the antecedent, which is the noun that the pronoun replaces. This agreement clears any confusion that may arise from ambiguous or unclear pronouns.


Incorrect: Each student must complete their homework.

Correct: Each student must complete his or her homework.

Incorrect: When someone gets lost, you can use your phone to help them out.

Correct: When someone gets lost, he or she can use his or her phone to help himself or herself out.

Adjective- Noun and Adverb- Verb Agreement

Adjective- noun and adverb-verb agreement are other sentence agreement rules that are crucial in ensuring that the sentence makes sense and communicates the message effectively.


Incorrect: The black and white cat are sleeping.

Correct: The black and white cats are sleeping.

Incorrect: He runs quickly and jumps high.

Correct: He runs quickly and jumps high.


In conclusion, sentence agreement rules are an essential aspect of writing clear and effective content. Without proper sentence agreement, readers may struggle to decipher the message being communicated. Therefore, it is crucial to ensure that the subject-verb, pronoun-antecedent, adjective-noun, and adverb-verb agreements are correct when constructing sentences. With these rules in place, you can communicate your message clearly, accurately and engagingly.