So far we have worked with compound subjects whose individual pieces are either singular or plural 10 must know rules for the subject Verb Agreement – Grammatik Subject Verb Agreement is a very important concept in English grammar. Don`t worry now and think, “Why do I have to learn this? How will it help me? Many of the MBA entries, including CAT test students, on questions based on subject verb agreement concepts. So it`s wiser to refresh what you left so happy at school! This article gives you EVERYTHING you need to know about the English grammatical rules for subject concordance and how to use them in your proofs: Being able to find the right theme and verb will help you correct subject-verb chord errors. Rule 3.