Subject-verb agreement is a crucial aspect of English grammar. It is necessary to ensure that the subject and the verb in a sentence are correctly matched to avoid confusion and misunderstanding.

When writing, it is essential to observe correct subject-verb agreement. The subject of a sentence is the person, place, or thing that the sentence is referring to, while the verb is the action that is being performed. The verb should always agree with the subject in terms of number, meaning that a singular subject requires a singular verb, while a plural subject needs a plural verb.

For instance, let`s take a look at the following sentence:

„The cat on the couch looks hungry.”

In this sentence, `cat` is the singular subject. Therefore, the verb `looks` is used, which agrees with the singular subject. If we were to write, „The cat on the couch look hungry,” it would be incorrect and cause confusion as to whether the sentence is referring to one or multiple cats.

Similarly, if the subject is plural, the verb should also be in the plural form. For example:

„The cats on the couch look hungry.”

In this sentence, `cats` is the plural subject, and the verb `look` agrees with the subject in terms of number.

It`s crucial to pay attention to subject-verb agreement when writing not only to avoid confusion but also for search engine optimization (SEO). Search engines use complex algorithms to analyze content on websites and rank them based on the relevance and quality of the content. If your website content has many grammatical errors, including incorrect subject-verb agreement, it can affect your search engine ranking and make it harder for people to find your website.

In conclusion, observing correct subject-verb agreement is essential when writing. It ensures clarity and avoids confusion, making the communication more effective. Additionally, it helps with SEO, which is essential in today`s digital age. Therefore, it`s crucial to take the time to review your writing and ensure that your subject and verb agree.