We can't buy the tickets ourselves.
The tickets belong to us.
These are our tickets.
The tickets are ours.
This bike belongs to her.
This is her bike.
This is hers.
She bought the bike herself.
I have bought the house myself.
The house is mine.
This is my house.
Our books are on these shelves.
Willy is lazier than all his friends.
Willy is the laziest student in the class.
She is good at Maths.
Which do you like better Maths or Asronomy?
Are these trousers too long?
What's wrong with those lorries?
The firemen are proud of their work .