bigbiggerthebiggest
pia
o
pia
os
thi
thi
erthethi
est
fatfatterthefattest
family
families
heavyheaviertheheaviest
activity
activities
healthyhealthierthehealthiest
factory
factories
lo
glo
gerthelo
gest
secretary
secretaries
widewiderthewidest
library
libraries
goodbetterthebest
badworsetheworst50名词单数复数
bus
buses
box
boxes
child
childre

chilli
chillies
foot
feet
sa
dwichsa
dwiches
tooth
teeth
quiz
quizzes
mouse
mice
ma

me

woma

wome

policewoma
policewome

注：
名词adj形容词v动词adv副词prep介词pro
代词
３
f４
fr