even though it is often used as a singular subject in English. The abstract science of number, quantity, and space, either as abstract concepts (pure mathematics), or as applied to other ...

Subject-verb agreement means that your verb must be conjugated, or changed, to fit (or agree) with the subject. Subjects can be singular or plural. Think of singular and plural as mathematical ...

The verb in a sentence is the word that shows action or being. The subject of a sentence is the person or thing that's doing the action, or being something. When the subject of a sentence is ...