Even though grammar can be a little weird from time to time, there are 20 rules of the subject-verb agreement that summarize the topic quite concisely. Most concepts of subject-verb concordance are simple, but exceptions to the rules can make things more complicated. The problem with grammatical rules from the point of view of modern linguistics is that many rules are not absolute. There are many exceptions to the rules, as we can see here. It can be helpful to bookmark compressed lists of rules like this. Subject-verb concordance is one of the most fundamental parts of English grammar and is often repeated in tests. Checking and practicing the rules mentioned above, as well as a few questions for each, will help you fully understand the subject-verb concordance and avoid many of the most common mistakes that occur in the trial. .