В английском алфавите 26 букв. Из них

POSSESSIVE ADJECTIVES AND POSSESSIVE PRONOUNS
Притяжательные прилагательные – поясняют существительное и употребляются с ними всегда. А притяжательные местоимения могут употребляться вместо существительных

POSSESSIVEADJECTIVES POSSESSIVEPRONOUNS
My мой/моя Mine моё

His его His его

Her её Hers её
Its его Its его
Our наш Ours наш

Your ваш Yours ваш

Their их Theirs Их

REMEMBER!

My / his / Her … + noun

Mine / his / Her … + noun = impossible

COMPARE THE EXAMPLES
This is our room. This (room) is ours.

This is their car. That car is theirs.

You have got my pen. You are using mine(= my pen). Where is yours(= your pen)?..

His mug. This mug is his.

Our camera. This camera is ours.

It is not my fault. It is not mine.

Чтобы усилить значение после my, your, his, her, our, its, their, one’s можно использовать own :
My room my own room

Your apartment your own apartment

His idea his own idea

She wanted a book of her own

Get your own dinner ready.

She wanted a book of her own.
NOTE: all(on) my/your etc. own = alone (сам один), without any help (без посторонней помощи).

I am on my own. = I am alone.

Do you like living on your own? = Do you like living alone?




A + noun + of mine/ yours= one of my/your+noun вомн.ч (….один из)