分類
以f或fe結尾
- 大多數以f或fe結尾的名詞的復數形式時將其轉為ves,如:
- calf → calves
- elf → elves
- half → halves
- hoof → hooves
- knife → knives
- leaf → leaves
- life → lives
- loaf → loaves
- scarf → scarfs/scarves
- self → selves
- sheaf → sheaves
- shelf → shelves
- thief → thieves
- wife → wives
- wolf → wolves
元音
- 有些名稱的復數形式是改變它們的元音聲:
- fireman → firemen
- foot → feet
- goose → geese
- louse → lice
- man → men
- mouse → mice
- tooth → teeth
- woman → women
古英語
- 有些是沿用古英語:
以o結尾
- 有的以o結尾的單詞加“s”:
- auto → autos
- kangaroo → kangaroos
- kilo → kilos
- memo → memos
- photo → photos
- piano → pianos
- pimento → pimentos
- pro → pros
- solo → solos
- soprano → sopranos
- studio → studios
- tattoo → tattoos
- video → videos
- zoo → zoos
- 有的則加“es”:
- echo → echoes
- embargo → embargoes
- hero → heroes
- potato → potatoes
- tomato → tomatoes
- torpedo → torpedoes
- veto → vetoes
- 有的兩種都可以:
- buffalo → buffalos/buffaloes
- cargo → cargos/cargoes
- halo → halos/haloes
- mosquito → mosquitos/mosquitoes
- motto → mottos/mottoes
- no → nos/noes
- tornado → tornados/tornadoes
- volcano → volcanos/volcanoes
- zero → zeros/zeroes
不變
- 有的則不變:
- cod → cod *
- deer → deer
- fish → fish *
- offspring → offspring
- perch → perch *
- sheep → sheep
- trout → trout *
注:帶“*”號的都是魚類,很多魚類的復數形式都是不變的,但有例外
- 下面這些都是固有復數,即使單數也是像復數形式:
- barracks → barracks
- crossroads → crossroads
- dice/die → dice
- gallows → gallows
- headquarters → headquarters
- means → means
- series → series
- species → species
借用單詞
- 英語中有些單詞是借用其他語言的。部分借用單詞的復數跟隨外語形式,下面每行的第二個單詞都是外語形式,第三個為現時英語使用:
- alga → algae
- amoeba → amoebae → amoebas
- antenna → antennae → antennas
- formula → formulae → formulas
- larva → larvae →
- nebula → nebulae → nebulas
- vertebra → vertebrae
- 以“us”結尾的轉為“a”(適用于專業術語):
- 以“us”結尾的轉為“i”:
- alumnus → alumni
- bacillus → bacilli
- cactus → cacti → cactuses
- focus → foci
- fungus → fungi → funguses
- nucleus → nuclei
- octopus → octopi → octopuses
- radius → radii
- stimulus → stimuli
- syllabus → syllabi → syllabuses
- terminus → termini
- 以“um”結尾的轉為“a”:
- addendum → addenda
- bacterium → bacteria
- curriculum → curricula → curriculums
- datum → data
- erratum → errata
- medium → media
- memorandum → memoranda → memorandums
- ovum → ova
- stratum → strata
- symposium → symposia → symposiums
- 以“ex”或“ix”結尾的轉為“ices”:
- apex → apices → apexes
- appendix → appendices → appendixes
- cervix → cervices → cervixes
- index → indices → indexes
- matrix → matrices → matrixes
- vortex → vortices
- 以“is”結尾的轉為“es”:
- analysis → analyses
- axis → axes
- basis → bases
- crisis → crises
- diagnosis → diagnoses
- emphasis → emphases
- hypothesis → hypotheses
- neurosis → neuroses
- oasis → oases
- parenthesis → parentheses
- synopsis → synopses
- thesis → theses
- 以“on”結尾的轉為“a”:
- criterion → criteria
- phenomenon → phenomena
- automaton → automata
- 英語中沿用其他語言的規則:
- 意大利語
- 希伯來語
- cherub → cherubim
- seraph → seraphim
- 希臘語
- schema → schemata
不規則復數列表
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