19
January
boy - boys
place - places
house - houses
table - tables
church - churches
watch - watches
address - addreses
bus - bues
the point - if last letters of a words end with ch or sh or s in plurals of the word will add es to end of them
city - cities
country - countries
lorry - lorries
factory - factories
irregular
this - these
that - those
woman - women
man - men
child - children
person - people