Posted: January 9, 2024
In English, a sentence can be broken down into eight parts of speech: nouns, pronouns, verbs, adjectives, adverbs, prepositions, conjunctions, and interjections. While at times the same words can embody more than one part of speech, it’s the function that determines its classification.
The objective of a noun is to name. This can take many forms. It could name a person (William Shakespeare, teacher, George, Michael Jackson,), a place (village, Europe, New York, ocean), a thing (book, Mt. Vesuvius, armchair, house), or an idea (peace, love, hope).
From there, nouns can also be separated into different categories depending on how they behave. Often, nouns can belong to multiple groups.
The most general class of nouns, common nouns name most things. They do not begin with capital letters
These are specific people, places, and things such as the names of individuals, titles, named locations, brand names, organizations, etc. They always begin with a capital letter.
These are things that can be counted. To distinguish between singular and plural, these nouns change form, either by adding -s or -es, or by changing (irregular plurals).
As the name suggests, these are nouns that cannot be counted. They either name items that aren’t considered countable, or they name qualities.
Singular nouns that embody/name groups, whether large or small.
Irregular plurals can come in many shapes in the English language. The chart below offers a few different types.
Noun type
How to Change
Example
Ends with -fe
Change f to v
Then
Add -s
knife; knives
life; lives
wife; wives
Ends with -f
Change f to v
Then
Add -es
half; halves
wolf; wolves
loaf; loaves
Ends with -o
Add -es
volcano; volcanoes
tomato; tomatoes
potato; potatoes
ends with -us
Change -us to -i
cactus; cacti
nucleus; nuclei
octopus; octopi (octopuses also acceptable)
ends with -is
Change -is to -es
analysis; analyses
parenthesis; parentheses
crisis; crises
ends with -on
Change -on to -a
phenomenon; phenomena
criterion; criteria
ALL KINDS
Change a vowel
or
Change the word
or
Add a different ending
mouse; mice
tooth; teeth
person; people
child; children
foot; feet
Unchanging
Do not change
sheep; sheep
deer; deer
moose; moose
fish; fish (fishes also acceptable, but uncommon)
To form a possessive, the most common way is simply to add -’s to the noun to show ownership, source, or some other relationship.
Aaron, J.E. & Morrison, A. The Little, Brown Compact Handbook, 5th Canadian ed. Pearson, 2013, chap 5
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