Замените выделенные словосочетания на притяжательный падеж в приведенных предложениях

I stayed at the house of my sister. → I stayed at my sister’s house.
Do you know the phone number of Bill?- Do you know Bill’s phone number?
The job of my brother is very interesting . - My brother’s job is very interesting
The favourite colour of Pam is blue. - Pam’s favourite colour is blue
When is the birthday of your mother? - When is your mother’s birthday?
The house of my parents isn’t very big