English Language Arts Grade 4 15 min

Form regular plurals with -s and -es

Form regular plurals with -s and -es

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Introduction & Learning Objectives

Learning Objectives Differentiate between a singular and a plural noun. Identify the specific ending letters (s, x, z, ch, sh) that require adding '-es' to form a plural. Correctly form the plural of most regular nouns by adding '-s'. Correctly form the plural of regular nouns ending in s, x, z, ch, and sh by adding '-es'. Apply the rules for forming regular plurals with -s and -es in their own writing. Edit sentences to correct errors in regular plural noun formation. If you have one fluffy kitten, what do you have if your neighbor brings over two more? 🐈 You have a whole group of kittens! Let's learn how to write that correctly. In this lesson, you will learn the two main rules for making regular nouns plural, which means making them re...
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Key Concepts & Vocabulary

TermDefinitionExample NounA word that names a person, place, thing, or idea.teacher, school, desk, friendship Singular NounA noun that names only one person, place, thing, or idea.one dog, a single house, that pencil Plural NounA noun that names more than one person, place, thing, or idea.many dogs, several houses, two pencils Regular PluralA plural noun that is formed by adding -s or -es to the end of the singular noun.book -> books; wish -> wishes Base WordThe original, singular form of a noun before you add an ending to make it plural.The base word of 'boxes' is 'box'.
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Key Rules & Conventions

The Add -s Rule Singular Noun + s = Plural Noun This is the most common rule. For most nouns, you simply add the letter 's' to the end of the word to make it plural. The Add -es Rule Singular Noun ending in s, x, z, ch, sh + es = Plural Noun When a singular noun ends with a hissing or buzzing sound (like s, x, z, ch, sh), you add 'es' to the end. This makes the word easier to say.

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Sample Practice Questions

Challenging
Read the paragraph: 'For the class party, we brought boxes of juice and several sandwichs. Maria made a salad with tomatos and crunchy croutons. The partys are always fun.' Which word is an incorrectly formed plural?
A.sandwichs
B.boxes
C.croutons
D.partys
Challenging
Imagine a new creature is discovered and named a 'wubash'. If a scientist finds a group of them, what would she call them?
A.wubashs
B.wubashes
C.wubashies
D.wubashi
Challenging
Which of the following nouns forms its plural by following a regular rule (adding -s or -es), unlike the others?
A.mouse (mice)
B.child (children)
C.princess (princesses)
D.goose (geese)

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