Own используется только с личными местоимения, а не с артиклем (нельзя употреблять `an own flat', an own computer’, и т.д.):
my / your / his / its / our / their
my own falt, your own house, her own computer
My own (что-то, что принадлежит только мне:
Например:
Do many young people in the USA have their own house?
He doesn’t want to share with anyone. He wants his own room.
Unfortunately the flat hasn’t got its own entrance.
It’s your own fault that you’ve no job.
Why do you want to take my car? Why can’t you use your own?
On my own и by myself оба означают alone.
On my/your/his/her/its/our/their own, by myself/yourself/himself/herself/itself
by ourselves/yourselves/themselves
Например:
Mary likes living on her own / by herself.
Did you come on your own / by yourself?
Fred was sitting on his own / by himself in his room.
Little children are not allowed to swim on their own / by themselves.
Exercises