English Language Arts Grade 9 15 min

Form and use plurals: review

Form and use plurals: review

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Introduction & Learning Objectives

Learning Objectives Correctly form the plurals of regular and common irregular nouns in their writing. Apply specific rules for forming plurals of nouns ending in -y, -o, -f/fe, and -s/sh/ch/x/z. Differentiate between the plural form and the possessive form of nouns, eliminating the use of apostrophes for simple plurals. Accurately form the plurals of complex compound nouns and common nouns of foreign origin found in academic texts. Analyze sentences to ensure subject-verb agreement is maintained with both singular and plural subjects. Edit their own analytical essays to identify and correct errors in pluralization, enhancing clarity and credibility. Is the plural of 'thesis' 'thesises' or 'theses'? 🤔 Getting it right can be the difference betw...
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Key Concepts & Vocabulary

TermDefinitionExample Plural NounA noun that refers to more than one person, place, thing, or idea.The students conducted multiple analyses of the poems. Irregular PluralA plural noun that does not follow the standard rule of adding -s or -es.Singular: child, woman, foot. Plural: children, women, feet. Compound NounA noun made of two or more words, which can be open (high school), closed (notebook), or hyphenated (mother-in-law).The attorneys general met to discuss the new policies. Foreign PluralA plural noun that retains the pluralization rule from its language of origin (often Latin or Greek).Singular: crisis, criterion, medium. Plural: crises, criteria, media. Possessive NounA noun that shows ownership or relationship, typically formed with an apostrophe and -s. It is often confused w...
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Key Rules & Conventions

Standard Pluralization Add -s to most nouns. Add -es to nouns ending in -s, -sh, -ch, -x, or -z. This is the most common rule. The -es ending is added to make the word easier to pronounce. Plurals of Compound Nouns To form the plural of a compound noun, pluralize the most important or 'principal' word in the compound term. For hyphenated or open compound nouns, identify the main noun and make it plural. For closed compound nouns, the -s or -es is usually added to the end of the word (e.g., notebooks). Plurals of Foreign Nouns Nouns from Latin or Greek often follow their original pluralization rules. -us → -i; -is → -es; -on → -a. These words are common in academic and scientific writing. While some have accepted English plurals (e.g., stadiums), using the f...

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Sample Practice Questions

Challenging
An excerpt from a student's analytical essay reads: 'The two heros of the storys face many crisises, and their reactions to these challenges forms the basis of the novels two main thesis.' Which revision corrects all the pluralization and agreement errors?
A.The two heroes of the stories face many crises, and their reactions to these challenges forms the basis of the novel's two main theses.
B.The two heros of the stories face many crisises, and their reactions to these challenges form the basis of the novels two main thesis'.
C.The two heroes of the stories face many crises, and their reactions to these challenges form the basis of the novel's two main theses.
D.The two heroes of the storys face many crisis, and their reactions to these challenges form the basis of the novel's two main theses.
Challenging
Revise the following sentence to make the subject plural, ensuring all other parts of the sentence agree: 'The literary critic bases his analysis on the text's historical context.'
A.The literary critics bases their analysis on the texts' historical contexts.
B.The literary critics base their analyses on the texts' historical contexts.
C.The literary critic base their analyses on the text's historical contexts.
D.The literary critics base his analysis on the texts' historical context.
Challenging
Which sentence correctly applies the pluralization rules for nouns of foreign origin, as taught in the tutorial?
A.The various stimuli led to several crisises for the story's protagonists.
B.The various stimulus led to several crises for the story's protagonists.
C.The various stimuli led to several crises for the story's protagonists.
D.The various stimuluses led to several crisises for the story's protagonists.

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