English Language Arts
Grade 8
15 min
Form plurals: review
Form plurals: review
What you'll learn
- Identify the correct plural form of at least 8 out of 10 regular nouns in a written exercise.
- Apply the rules for forming irregular plurals (e.g., child/children, mouse/mice) by correctly changing at least 6 out of 8 irregular nouns into their plural forms in a sentence completion activity.
- Explain the rule for forming plurals of nouns ending in -y (preceded by a consonant) and demonstrate this understanding by accurately changing 4 out of 5 such nouns to their plural forms.
- Solve pluralization problems in context by correctly using the plural form of nouns in a short paragraph with no more than 2 errors.
Tutorial Preview
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Introduction & Learning Objectives
Learning Objectives
Accurately form regular and irregular plurals of nouns.
Apply rules for pluralizing nouns ending in -y, -f/-fe, and sibilant sounds.
Correctly pluralize compound nouns and common foreign words used in English.
Identify and correct common errors in pluralization within academic writing.
Distinguish between singular and plural forms to ensure subject-verb agreement in complex sentences.
Demonstrate precise use of plural forms in argumentative essays and source synthesis.
Explain the rationale behind various pluralization rules.
Ever notice how a single word can change its entire identity just by adding an 's'? 🤔 What happens when it's not that simple, and why does it matter in your critical analysis?
In this lesson, we'll review the...
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Key Concepts & Vocabulary
TermDefinitionExample
Singular NounA noun that refers to one person, place, thing, or idea.student, city, book, freedom
Plural NounA noun that refers to more than one person, place, thing, or idea.students, cities, books, freedoms
Regular PluralNouns that form their plural by simply adding -s or -es to the end of the word.cat → cats, box → boxes
Irregular PluralNouns that do not follow the standard -s or -es rules for pluralization; they often change their spelling significantly or remain the same.man → men, mouse → mice, sheep → sheep
Compound NounA noun made up of two or more words, which can be hyphenated, separate, or combined into one word.mother-in-law, dining room, toothbrush
Foreign PluralPlural forms of nouns borrowed from other languages (like Latin or Greek) that often retain t...
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Key Rules & Conventions
General Rule: Adding -s
Most nouns form their plural by simply adding -s to the singular form.
Use this rule for the vast majority of English nouns. It's the default pluralization method.
Nouns Ending in -s, -x, -z, -ch, -sh
If a noun ends in -s, -x, -z, -ch, or -sh, add -es to form the plural.
This rule helps with pronunciation, as adding just -s would be difficult to say. It creates an extra syllable.
Nouns Ending in -y
If a noun ends in -y preceded by a consonant, change the -y to -i and add -es. If a noun ends in -y preceded by a vowel, simply add -s.
This rule distinguishes between words like 'city' (consonant + y) and 'key' (vowel + y).
Nouns Ending in -f or -fe
Many nouns ending in -f or -fe change the -f or -fe to -ves to form t...
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Challenging
When synthesizing the plots of two myths, a student must be careful with plurals. Which sentence correctly pluralizes all nouns?
A.The heros of the two stories had to overcome many crisis on their journeys.
B.The heroes of the two stories had to overcome many crises on their journeys.
C.The heroes of the two storys had to overcome many crisises on their journeyes.
D.The heros of the two storys had to overcome many crises on their journeys.
Challenging
Read the sentence: "The two commander-in-chiefs discussed the developing phenomenons and their effect on their two countrys." Which list identifies all the pluralization errors in the sentence?
A.commander-in-chiefs, phenomenons
B.phenomenons, countrys
C.commander-in-chiefs, countrys
D.commander-in-chiefs, phenomenons, countrys
Challenging
An author is arguing that several unusual events have been misinterpreted. To maintain a formal, academic tone and present a clear point of view, which sentence most precisely expresses this idea?
A.The author believes that these strange phenomenons have multiple analysiss.
B.The author believes that these strange phenomena have multiple analyses.
C.The author believes that these strange phenomenons have multiple analyses.
D.The author believes that these strange phenomena has multiple analysis.
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Frequently asked questions
What grade level is "Form plurals: review"?
Form plurals: review is a Grade 8 English Language Arts lesson on ExcelOS.
What will I learn in Form plurals: review?
You'll be able to: Identify the correct plural form of at least 8 out of 10 regular nouns in a written exercise; Apply the rules for forming irregular plurals (e.g., child/children, mouse/mice) by correctly changing at least 6 out of 8 irregular….
Is "Form plurals: review" free to practice?
Yes. You can read the tutorial preview for free, and signing up for a free ExcelOS account unlocks the full tutorial and all practice questions with instant feedback.
How many practice questions are included with Form plurals: review?
This lesson includes 25 practice questions across multiple difficulty levels, each with instant feedback and explanations.