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Singular and Plural Nouns
Singular Noun: When we name one person, place, thing or idea, we call them a singular noun.
Plural Noun: When we name more than one person, place, thing or idea, we call them a plural noun. Plural nouns are often made of by adding ‘s’ or “es” to the singular noun.


Rule 1: Add ‘s’ to make most nouns plural
Singular | Plural |
---|---|
Boat | Boats |
House | Houses |
Dog | Dogs |
Pot | Pots |
Rule 2: Add ‘es’ to make nouns ending with s, x, z, ch, sh
Singular | Plural |
---|---|
Kiss | Kisses |
Rush | Rushes |
Fox | Foxes |
Switch | Switches |
Buzz | Buzzes |
Rule 3: Add ‘ies’ to make nouns ending with y
Singular | Plural |
---|---|
Baby | Babies |
City | Cities |
Barby | Barbies |
Technology | Technologies |
Stationary | Stationaries |
Rule 4: Irregular Nouns
Singular | Plural |
---|---|
Diagnosis | Diagnoses |
Syllabus | Syllabi/syllabuses |
Focus | Foci |
Fungus | Fungi |
Phenomenon | Phenomena |
Criterion | Criteria |
Goose | Geese |
Cactus | Cacti |
Person | People |
Rule 5: Add “es” and replace f with v
Singular | Plural |
---|---|
Wife | Wives |
Calf | Calves |
Half | Halves |
Knife | Knives |