陳思's 心英文法---英文心法

﹝f → ves﹞                ﹝f → fs﹞             ﹝f → ves﹞或﹝f → fs﹞皆可

knife – knives 刀 子   roof – roofs 屋 頂     strife – strives = strifes 奮 鬥

wife – wives 妻 子      cliff – cliffs 懸崖      grief – grieves = griefs 憂 愁

wolf – wolves 野 狼    turf – turfs 草 地       scarf – scarves = scarfs 圍 巾

thief – thieves 小 偷    chief – chiefs 首 領

half – halves 半 份      proof – proofs 證 明

leaf – leaves 樹 葉      safe – safes 金 庫

loaf – loaves 條 塊     dwarf – dwarfs 侏 儒

shelf – shelves 書 架   brief – briefs 便 條

life – lives 生 命         gulf – gulfs 海 灣

self – selves 自 己      belief – belief s 信 仰

calf – calves 小 牛      reef – reefs 暗 礁

elf – elves 精 靈 giraffe –giraffes 長頸鹿

(10) y後通常要去y加ies，發音為﹝Iz﹞，y前有母音則加s，發音為﹝z﹞

﹝y → ies﹞                    ﹝ay, ey, oy, uy → ys﹞

fly – flies 蒼 蠅                 bay – bays 海 灣

army – armies 軍 隊         day – days 日 子

body – bodies 身 體          key – keys 鑰 匙

story – stories 故 事          toy – toys 玩 具

lady – ladies 淑 女            boy – boys 男 孩

duty – duties 職 責            buoy – buoys 浮 標

family – families 家 庭     guy – guys 男 子

gallery –galleries 畫 廊     monkey – monkeys 猴 子

例外 stand-by - stand-bies(誤) stand-by - stand-bys(正)

若字尾為 –quy則其複數形為-quies，例：colloquy – colloquies

專有名詞若為複數時，雖然字尾為–y，亦只能加s不可去y加ies
There are two Marys in our class.(正)------------------我們班有兩個女生叫做Mary
There are two Maries in our class.(誤)