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Plurals (来源:英语博客 http://space.englishcn.com)

 

> As a general rule, the plural is formed by adding "-s" to the singular form of nouns.
shoe --> shoes | book --> books | river --> rivers

> Nouns ending in "s" or "s" will generally take the ending "-es" :
bus --> buses | kiss --> kisses

> Words ending in "y" will generally take the ending "-ies" in place of the "y":
party --> parties | supply --> supplies

> A few words have very irregular forms in the plural:
one man --> two men
one woman --> two women
one person --> two people
one foot --> two feet
one mouse --> two mice
one goose --> two geese
one tooth --> two teeth
one wife --> two wives
one child --> two children
one knife --> two knives
one thief --> two thieves
one dwarf --> two dwarves (or: dwarfs)
one potato --> two potatoes
one leaf --> two leaves
one life --> two lives
one loaf --> two loaves
one half --> two halves

> A small set of words do not change form in the plural:
one moose --> two moose
one sheep --> two sheep
one aircraft --> two aircraft


> Words of Greek or Latin origin which have retained their original endings will generally take the plural form associated with the language they are drawn from:
one alumnus --> two alumni
one syllabus --> two syllabi
one alumna --> two alumnae
one alga --> many algae
one criterion --> many criteria
one forum --> many fora (or : forums)
one thesis --> two theses
one hypothesis --> two hypotheses
one phenomenon --> two phenomena
one cactus --> two cacti (or : cactuses)
one diagnosis --> two diagnoses
one oasis --> two oases
one analysis --> two analyses

 

> A few nouns are invariable or collective, always indicating a plural meaning:
She gave me some information.
Michelle has a lot of clothes.

TEST - >> Find the plural

table, child, thief, mouse, thief, potato, tooth, alga, goose, wife, sheep, life

 

ANSWERS >tables, children, thieves, mice, women, potatoes, teeth, algae, geese, wives, sheep, lives

 
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