Undetermined pronouns anyone, everyone, someone, no one, nobody are always singular and therefore require singular verbs. Rule 4. 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 grammar rules for subject conformity and how to use them in your proofs: broken expressions like half, a part, a percentage of, a majority of them are sometimes singular and sometimes plural, depending on the importance. (The same is true, of course, if everyone, everyone, more, most and some act as subjects.) Buzzing and the products of mathematical processes are expressed in singular and require singular verbs….