The____(sheep) started to run together into the barn.

Irregular plural nouns are nouns that do not become plural by adding -s or -es.

The irregular plural form for words ending with:
-us ➡️ -i
-f or -fe ➡️ -ves
-um or -on ➡️ -a

Can you summarize what you’ve understood in the above steps?

Choice A is incorrect because the plural of "sheep" is "sheep." In English, some plural nouns don’t change their form like regular plurals do. So, we say "many sheep" not "many sheeps".

sheeps

Choice B is incorrect because the word "sheep" is already its plural form. It doesn’t need an 's' or an apostrophe to show more than one sheep.

sheeps'

Choice C is correct. "Sheep" is an irregular plural noun because it stays the same in both singular and plural forms. In other words, we say 'one sheep' and 'many sheep' instead of "sheeps".It’s special because it doesn’t follow the usual rules for making plurals.

Ssheep

Choice D is incorrect because "sheep’s" is not a plural noun; it’s a possessive form of the singular noun "sheep". Plural nouns of the word sheep is "sheep" (more than one sheep)

sheep’s

Word given in the parentheses sheep

Irregular plural form of the word sheep

Complete sentence - The sheep started to run together into the barn.

Choice C

Can you summarize what you’ve understood in the above steps?