English Language Arts
Grade 8
15 min
Form and use plurals: review
Form and use plurals: review
What you'll learn
- Identify and correctly spell at least 8 out of 10 regular plural nouns in a sentence.
- Apply the rules for forming irregular plural nouns to correctly write the plural form of 5 out of 7 given singular irregular nouns.
- Explain the rule for forming the plural of nouns ending in -y (preceded by a consonant) and apply it to create the plural form of 3 out of 4 given examples.
- Correctly rewrite 4 out of 5 sentences, changing singular nouns to plural nouns while maintaining grammatical accuracy.
Tutorial Preview
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Introduction & Learning Objectives
Learning Objectives
Accurately identify singular and plural noun forms in various texts.
Correctly apply rules for forming regular plurals, including those ending in -s, -x, -ch, -sh, -z, -y, and -o.
Recall and correctly use common irregular plural forms (e.g., child/children, mouse/mice, datum/data).
Accurately pluralize compound nouns and foreign nouns commonly integrated into English.
Distinguish between plural forms and possessive forms to avoid common writing errors.
Proofread and revise their own academic writing for correct pluralization.
Ensure subject-verb agreement when using plural nouns in complex sentences.
Ever notice how a single 'analysis' can lead to many 'analyses'? 🤔 Getting plurals right isn't just about adding an 's'...
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Key Concepts & Vocabulary
TermDefinitionExample
Singular NounA noun that refers to one person, place, thing, or idea.student, city, book, theory
Plural NounA noun that refers to more than one person, place, thing, or idea.students, cities, books, theories
Regular PluralA plural noun formed by simply adding -s or -es to the singular form.cat → cats, box → boxes
Irregular PluralA plural noun that does not follow the standard -s or -es rule, often involving a vowel change, a different ending, or no change at all.man → men, child → children, sheep → sheep
Compound NounA noun made up of two or more words that function as a single unit, which can be hyphenated, separate, or combined.sister-in-law, high school, toothbrush
Foreign PluralA plural noun derived from another language (e.g., Latin, Greek) that often retains it...
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Key Rules & Conventions
General Rule for Regular Plurals
Most nouns form their plural by adding -s. Nouns ending in -s, -x, -ch, -sh, or -z form their plural by adding -es.
Use this rule for the vast majority of English nouns. The -es ending helps with pronunciation for words that would be difficult to say with just an -s.
Plurals of Nouns Ending in -y and -o
If a noun ends in a consonant + -y, change -y to -i and add -es. If it ends in a vowel + -y, just add -s. For nouns ending in -o, most add -s, but some common ones add -es (e.g., hero, potato, echo).
Pay close attention to the letter preceding the -y or -o. There are exceptions for -o endings that often need to be memorized or looked up.
Irregular Plurals
These nouns do not follow standard rules. They may change vowels (man/men), add dif...
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Challenging
A student wrote the following argumentative claim. How should it be revised for correct pluralization and subject-verb agreement? 'The main criterias for success is complex, and the supporting data often leads to misleading conclusion's.'
A.The main criteria for success are complex, and the supporting data often lead to misleading conclusions.
B.The main criterias for success are complex, and the supporting datas often lead to misleading conclusions.
C.The main criterion for success is complex, and the supporting data often leads to misleading conclusions'.
D.The main criteria for success is complex, and the supporting data often leads to misleading conclusions.
Challenging
When synthesizing sources for a research paper, a student needs to combine several concepts. Which sentence correctly pluralizes all nouns, including regular, irregular, and foreign forms?
A.The analyses of the two phenomena were based on series of interviews with men and women.
B.The analysises of the two phenomenons were based on series of interviews with mans and womans.
C.The analyses of the two phenomena was based on a series of interviews with men and women.
D.The analyses of the two phenomenon were based on series' of interviews with men and women.
Challenging
A peer reviewer reads the following paragraph: 'Many new technologies present unique challenge's. The media often focuses on their benefits, but the negative phenomenons are also important. For example, the privacy policies of many companys are too weak.' Which summary best describes the pattern of pluralization errors?
A.The writer consistently fails to pluralize the main noun in compound nouns.
B.The writer confuses plural and possessive forms and incorrectly pluralizes foreign nouns.
C.The writer overgeneralizes the -s rule for all nouns, including irregular ones.
D.The writer struggles with subject-verb agreement when using plural nouns.
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Frequently asked questions
What grade level is "Form and use plurals: review"?
Form and use plurals: review is a Grade 8 English Language Arts lesson on ExcelOS.
What will I learn in Form and use plurals: review?
You'll be able to: Identify and correctly spell at least 8 out of 10 regular plural nouns in a sentence; Apply the rules for forming irregular plural nouns to correctly write the plural form of 5 out of 7 given singular irregular nouns; Explain….
Is "Form and use 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 and use plurals: review?
This lesson includes 25 practice questions across multiple difficulty levels, each with instant feedback and explanations.