Nouns - Regular & Irregular Plurals of Nouns

Nouns -
Regular Plurals of Nouns

Regular Plurals of Nouns

Introduction

Most nouns in English have both singular and plural forms, and
the plural is usually formed by adding "-s" to the singular. Most nouns in
English have both singular and plural forms, and the plural is usually
formed by adding “-s” to the singular. This page explains the basic ways of
forming regular plurals in English. For information about forming irregular
plurals see .
How to form the plural

Noun ending Forming the plural Example

s, x, ch or sh	Add -es	boss -> bosses tax -> taxes bush -> bushes
consonant + y	Change y to i then add -es	baby ->babies candy ->candies curry -> curries
most others	Add -s	cat -> cats face -> faces day -> days

Nouns -
Irregular Plurals of Nouns

Irregular Plurals of Nouns

Introduction

Although most nouns have plurals formed according to regular
rules , some nouns have unusual, or irregular plurals. This page will
introduce the most common ones, so that you can learn them.
Types of irregular plural

There are many types of irregular plural, but these are the most
common:

Noun type Forming the plural Example

Ends with -fe	Change f to v then Add -s	knife -> knives life -> lives wife -> wives
Ends with -f	Change f to v then Add -es	half -> halves wolf -> wolves loaf -> loaves
Ends with -o	Add -es	potato -> potatoes tomato -> tomatoes volcano -> volcanoes
ends with -us	Change -us to -i	cactus -> cacti nucleus -> nuclei focus -> foci
ends with -is	Change -is to -es	analysis -> analyses crisis -> crises thesis -> theses
ends with -on	Change -on to -a	phenomenon -> phenomena criterion -> criteria
ALL KINDS	Change the vowel or Change the word or Add a different ending	man -> men foot -> feet child -> children person -> people tooth -> teeth mouse -> mice
Unchanging	Singular and plural are the same	sheep deer fish (sometimes)

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