used after a possessive
If you want to emphasize that something belongs or relates to a particular person or thing, you use own after a possessive.
These people have total confidence in their own ability.
Now the nuclear industry's own experts support these claims.
‘own’ with a number
If you are also using a number, you put the number after own. You say, for example, ‘She had given the same advice to her own three children’. Don't say ‘She had given the same advice to her three own children’.
She was younger than my own two daughters.
‘of your own’
Don't use own after ‘an’. Don't say, for example, ‘I’ve got an own place'. You say ‘I’ve got my own place' or ‘I’ve got a place of my own'.
By this time Laura had got her own radio.
It's a clear lemonade with little flavour of its own.
You can use very in front of own for emphasis.
We heard the prison's very own pop group.
Accountants have a language of their very own.
‘own’ without a noun
You can use own without a noun after it, when it is clear what you are talking about. However, there must always be a possessive in front of it.
These people's ideas were the same as their own.
I was given no clothes other than my own to wear.
‘on your own’
If you are on your own, you are alone.
She lived on her own.
If you do something on your own, you do it without any help from anyone else.
We can't solve this problem on our own.