Grammar expert June Casagrande writes that collective nouns like “choir” can use singular or plural nouns, often leading to confusion for writers. (File Photo) By June Casagrande.

In many cases, these nouns are considered to be plural all the time since they are collections of single pieces kept together. Because of this, they take a plural verb and have no singular noun form.

Collective nouns can also be viewed as singular and plural at the same time, for example, “The public is/are fed up with corruption in this country; the audience is/are having a performance of ...

POSSESSIVE OF SINGLE NOUN. You also use apostrophe s ('s) to show possession of a single noun. ... POSSESSIVE OF PLURAL NOUN. But what if you have two friends and like both of their coats?

When both nouns joined by “or” are singular, the verb form is easy: It’s singular, as we saw in “Ned or Nancy is.” When both nouns joined by “or” are plural, the verb is plural ...

There are some nouns that only have a plural form, regardless of how we think of them. They are known as pluralia tantum , Latin for "plural only." Here are 11 of them.