This element is often referred to as Subject-Verb Agreement, meaning that the verb must always agree with the subject in number. On the surface this seems to be a simple principle of grammar; in reality, however, there is much more to the subject. Some applications are confusing, others are often overlooked or misunderstood. As a result, a great many mistakes in writing can be traced back to faulty subject-verb agreement. Here are the 25 most important rules of subject verb-agreement

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