"When should you teach the Singular and Plural Regular Nouns lesson? Is your student referring to one object, person or thing, or multiple objects, people or things? This lesson on singular and plural regular nouns helps identify quantity — whether someone is referring to one or many. The lesson suits beginner-level students and can be taught to children, teenagers and adults. If you want additional lesson plans and support, including teachers’ notes, be sure to register for a free Off2Class account.