一般名詞 + s
字尾無聲,~s發音為[s];字尾有聲,~s 發音為[z]
pencil | pencils | pen | pens |
dog | dogs | room | rooms |
thing | things | bird | birds |
book | books | cat | cats |
cap | caps | horse | horses |
~s, x, z, sh, ch + es
bus | buses | class | classes |
box | boxes | brush | brushes |
bench | benches | watch | watches |
church | churches | buzz | buzzes |
*stomach | stomachs | *monarch | monarchs |
子音 + o + s, es
hero | heroes | negro | negroes |
potato | potatoes | tomato | tomatoes |
piano | pianos | photo | photos |
mosquito | mosquito(e)s | zero | zero(e)s |
volcano | volcano(e)s | buffalo | buffalo(e)s |
oo, io + s
zoo | zoos | bamboo | bamboos |
radio | radios | | |
f, fe → ves
knife | knives | half | halves |
leaf | leaves | wolf | wolves |
life | lives | wife | wives |
*roof | roofs | *chief | chiefs |
*handkerchief | handkerchiefs | | |
子音 + y → ies
baby | babies | country | countries |
lady | ladies | fly | flies |
母音 + y → ys
boy | boys | key | keys |
monkey | monkeys | valley | valleys |
不規則複數
man | men | woman | women |
foot | feet |