let's learn how do we use "s
look at the bird's wings.
( singular pos)
1- Those are the boy books.
( plural possessive )
2 - My father often goes to a men's club.
(irregular plurals )
Tom and mark's school is great.
( place an apostrophe before an "s" only after the second-named person )
4- The baker's =
( The place )the bakery