#EngQuiz is about “irregular plural”. Do you know what this is?
There are two plural forms of noun: “regular” and “irregular”.
We form regular plural of nouns by adding -s or -es. Examples:
- book -> books
- shoe -> shoes
- watch -> watches
- diary -> diaries
Irregular plurals are exceptions to this general rule.
Some common irregular plurals:
- man -> men
- person -> people
- foot -> feet
There are many types of irregular plurals based on how they are formed:
- Changing the vowels. Examples: man -> men; foot -> feet.
- Adding -(r)en. Examples: child -> children; ox -> oxen.
- Changing the last consonant. Examples: leaf -> leaves; wife -> wives.
- The plural is the same as the singular. Examples: deer -> deer; sheep -> sheep.
- Foreign plurals. Examples: alga -> algae.
- Last but not least.. Compound nouns. Examples: head of department -> heads of department; sister-in-law -> sisters-in-law.
Now to the
#EngQuiz! Your job is.. to guess what are the plurals of these nouns. There’s only 1 clue: they are all irregular plurals. Ready?
- Dice (die)*
- mouse -> mice
- tooth -> teeth
- life -> lives
- wolf -> wolves
- Chinese -> Chinese
- species -> species
- dice -> dice
- formula -> formulae (formulas)*
- medium -> media
- curriculum -> curricula
- millennium -> millennia
- appendix -> appendices
- diagnosis -> diagnoses
- oasis -> oases
- crisis -> crises
- thesis -> theses
- phenomenon -> phenomena
- commander-in-chief -> commanders-in-chief
The singular of “dice” (dadu) is “die”. However, in modern standard English, “dice” is used as both the singular and plural form. Read more here: What is the singular for dice?
The plural of “formula” can be “formulae” or “formulas”. Read more here: Formula or formulae?