The parts of speech explain how a word is used in a sentence. There are 8 parts of speech (also known as word classes): nouns, pronouns, adjectives, verbs, adverbs, prepositions, conjunctions and interjections. Let's take a look at them below.
Irregular plural nouns are nouns that do not become plural by adding -s or -es, as most nouns in the English language do. Let's take a look at some of the most common irregular plural nouns you have to know.