Subject-verb agreement is an essential grammatical rule that every writer needs to understand to ensure clarity in their writing. It refers to the correct usage of verb tenses that correspond with the subject of a sentence. The subject of a sentence is the person, place, or thing that is performing the action, while the verb is the action itself.

In English, the verb must agree with its subject in number, person, and tense. This means that if the subject is singular, the verb must also be singular. Similarly, if the subject is plural, the verb must also be plural.

For example:

– Incorrect: The dog barks loudly.

– Correct: The dogs bark loudly.

In the first sentence, the subject is singular (dog), but the verb is plural (barks). This creates a subject-verb agreement error. The correct sentence uses the plural verb form to agree with the plural subject (dogs).

Another aspect of subject-verb agreement is ensuring that the verb matches the person of the subject. This means that if the subject is in the first person (I), the verb should also be in the first person. Likewise, if the subject is in the second person (you), the verb should be in the second person.

For example:

– Incorrect: You was at the party last night.

– Correct: You were at the party last night.

In the incorrect sentence, the verb doesn`t match the person of the subject. The subject is in the second person (you), but the verb is in the third person (was). The correct sentence uses the second person verb form (were) to match the subject.

Finally, subject-verb agreement also involves matching the tense of the verb with the tense of the subject. When the subject is in the present tense, the verb should also be in the present tense. Similarly, when the subject is in the past tense, the verb should also be in the past tense.

For example:

– Incorrect: She sing very well.

– Correct: She sings very well.

In the first sentence, the verb (sing) is in the present tense, but the subject (She) is in the past tense. This creates a subject-verb agreement error. The correct sentence uses the present tense verb form (sings) to match the present tense subject.

Overall, subject-verb agreement is an important grammatical concept that helps ensure clear communication in writing. By understanding how to match verbs with their subjects in number, person, and tense, writers can create grammatically correct sentences that accurately convey their intended message.