This is a pen. That is a pencil.
This is a book. It is my book.
Is this your pencil? — No, it isn’t my pencil, it is my sister’s pencil.
I have a sister. My sister is an engineer. My sister’s husband is a doctor. They have got two children.
This is a girl. This girl is their daughter. Their daughter’s name is Vera.
That is a boy. That boy is her brother. Her brother’s name is Nick.
This is our flat.
We have got a car. Our car is not expensive but reliable.
I have no pet.
My granny has got a headache. She has no idea what to do.
I have a friend. His name is Mike. My friend is very good.
It’s a cat. Its tail is long and bushy. It’s Mike’s cat.