You've likely heard of the term conjugation before — the inflection of verbs to show grammatical and syntactic function — but do you know about declension?
In simple terms, declension is the conjugation of other word classes (such as nouns, pronouns, and adjectives).
Although declension isn't as common in English as it is in other languages, such as Latin or German, it's still important to understand how we decline nouns and pronouns to show things like case and number.
Declension Meaning
Let's begin by looking at the meaning of the word declension.
The term declension refers to the inflection of nouns, pronouns, adjectives, adverbs, and articles (basically, every word class except verbs) to show the word's syntactic function within a sentence. When we say syntactic function, we're referring to the grammatical relationship between constituents (part of a sentence, e.g., words, phrases, and clauses) within a sentence.
Inflection: A morphological process that involves adding affixes to a word or changing a word's spelling to show different grammatical functions, such as case, number, or person.
The inflection of verbs is called conjugation.
The declension process can be seen when we discuss possessives. For example, when the subject of a sentence owns the object of a sentence, possession is shown by inflecting the subject (remember, the subject of a sentence is usually a noun or pronoun). The declension process typically involves adding an apostrophe and an s to the end of a noun or changing the spelling of the pronoun altogether.
"That is Katy's cake."
Here, we can see that the noun Katy has undergone a declension process in order to show the relationship between the subject (Katy) and the object (the cake).
Declension happens across many languages, and the process works differently in each. For example, adjectives in French and Spanish go through a declension process to show grammatical case, but adjectives in English do not. In fact, declension in English is no longer common. Whereas Old and Middle English contained a lot of declensions, in Modern English, declension only applies to nouns,pronouns, and descriptive adjectives.
Good to know: Declension is a noun — the verb is todecline.
Fig 1. That's Katy's cake.
Declension in English
As we mentioned, declensions in English aren't as common as in other languages, but that doesn't mean they aren't important.
In Modern English, declension typically happens to nouns and pronouns; however, we can also decline adjectives too.
Noun Declension
In English, the declension of nouns and pronouns can show three different syntactic and grammatical functions: case, number, and gender.
Case
There are three different grammatical cases in English, subjective (aka nominative), objective, and genitive (aka possessive).
In English, nouns only go through a declension process in the genitive case, whereas pronouns change in all three cases. Let's take a closer look at each of these cases.
Although there are several different types of pronouns (e.g., relative, demonstrative, etc.), when discussing pronouns in different cases, we are usually talking about personal pronouns.
Subjective Case
A noun or pronoun is in the subjective case when it is acting as the subject of the sentence. The subject of a sentence is the person or thing performing the action of a verb or who/what the sentence is about.
"Katy ate the cake."
Here, Katy is the subject of the sentence. As Katyis a proper noun, the word does not need to be inflected at all.
Let's now look at some examples of pronouns as the subject:
"She is on her way to college."
"He drove here."
"They are enjoying a meal together."
Here we can see that the subjective case pronouns are:
He
She
They
It
I
We
You
The subjective case is sometimes called the nominative case.
Objective Case
A noun or pronoun is in the objective case when it's acting as, you guessed it, the object in a sentence. The object of a sentence is the person or thing that is being acted upon.
"She gave the cake to Katy."
In this sentence, Katy is now the subject, but, as you can see, the word has not changed.
Here are some examples with a pronoun as the subject. Notice how the spelling and words change:
"She gave the cake to her."
"The teacher told him to be quiet."
"He wanted them to be happy together."
From the examples, we can see that the pronouns in the objective case are:
Him
Her
Them
It
Us
Me
You
Genitive Case
The genitive case, also known as the possessive case, is used to show a noun or pronoun's belongings.
In the genitive case, both nouns and pronouns go through a declension process. Let's start with nouns.
To show a noun's possession in English, we simply add an apostrophe and an s to the end of the word.
"Hey, that cake is not yours! It's Katy's."
Now for the pronouns. There are two different types of pronouns in the genitive case: attributive and predicative. Possessive attributive pronouns are typically followed by a noun, whereas possessive predicative pronouns replace the noun.
The attributive pronouns are: my, his, her, its, our, your, and their
The predicative pronouns are: mine, his, hers, ours, yours, andtheirs
"The cake is hers."
"She gave them their books."
"That's mine."
"Don't forget your umbrella!"
Number
Nouns are declined in terms of number into their singular and plural forms. Regular nouns are declined by simply adding an s to the end of the word, whereas irregular nouns go through a spelling change (or sometimes remain exactly as they are, e.g., sheep.)
Regular nouns:
Apple → Apples
Book → Books
Girl → Girls
Tree → Trees
Irregular nouns:
Man → Men
Foot → Feet
Fish → Fish
Child → Children
Fish vs. Fishes
Did you know that the term fishes is correct in some situations?
When there is more than one of the same species of fish, the plural form is fish. However, when there are many different species of fish, the plural form is fishes.
= fish
= fishes
Fig 2. Fish, not Fishes.
Demonstrative pronouns also go through a declension process to show number. The singular demonstrative pronouns are this and that. On the other hand, the plural demonstrative pronouns are these and those.
Gender
Unlike other languages, like French or Spanish, English nouns typically are not declined in relation to gender. Sometimes suffixes are added to the end of a noun to highlight the female gender (e.g., stewardess); however, this is quickly becoming redundant in modern society.
Personal pronouns can decline to show gender. The masculine pronouns are he, him, and his, and the feminine pronouns are she, her, and hers. The pronouns they, them, their, and theirs can be used as plural or singular gender-neutral pronouns.
Adjective Declension
Descriptive adjectives (adjectives that modify nouns/pronouns by describing them) can go through a declension process to show degrees of comparison.
Descriptive adjectives typically have three forms: positive (base form), comparative, and superlative. For comparatives, we typically add the suffix "-er" to the end of the word. For superlatives, we add the suffix "-est."
Positive: Big
Comparative: Bigger
Superlative: Biggest
Positive: Old
Comparative: Older
Superlative: Oldest
For adjectives that have more than two syllables, we typically place the adverbs more or most before the adjective rather than adding suffixes.
Declension Examples
Now we know all about declensions, let's recap what we've learned by looking at some handy charts with declension examples in English.
Case:
Subjective Case
Objective Case
Genitive Case
He
Him
His
She
Her
Her/Hers
It
It
Its
They
Them
Their/Thiers
You
You
Your/Yours
We
Us
Our/Ours
Katy
Katy
Katy's
Gender:
Masculine Pronouns
Feminine Pronouns
Gender Neutral Pronouns
He
She
They
Him
Her
Them
His
Her/Hers
Their/Theirs
Number:
Singular Nouns/pronouns
Plural Nouns/pronouns
Book
Books
Foot
Feet
This
These
That
Those
Adjectives:
Positive
Comparative
Superlative
Young
Younger
Youngest
Tall
Taller
Tallest
Expensive
More expensive
Most expensive
Declensions - Key takeaways
Declension refers to the inflection of nouns, pronouns, adjectives, adverbs, and articles to show the word's syntactic function within a sentence.
Inflection is a morphological process that involves adding affixes to a word or changing a word's spelling to show different grammatical functions.
In modern English, declension is most prominent in nouns and pronouns. The declension of nouns and pronouns can show three different functions: case, number, and gender.
There are three different cases that affect declension: subjective, objective, and genitive. An example pronoun of each is I, me, and mine.
To show number, singular nouns remain the same, whereas plural nouns either receive the suffix -s or have their spellings changed.
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Frequently Asked Questions about Declension
What is an example of declension?
An example of declension is adding the suffix -s to the end of a noun to show plurality.
Does English have declension?
Yes, Modern English does use some declensions. Typically, nouns and pronouns are declined to show case, number, and gender.
What is the difference between conjugation and declension?
Both conjugation and declension refer to the inflection process. Conjugation is the inflection of verbs, whereas declension is the inflection of all other word classes.
What are declensions used for?
In English, declensions are most commonly used to show case, number, and gender. For example, the pronoun hers is in the genitive case and shows possession.
Why did English lose declensions?
The reason declensions became less prominent in English is not entirely known. It may be because of the influence from Old Norse, or because the pronunciation of declined words became too complex.
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