Помогите пожалуйста!!!!!

You are in my class
Are you in my class?
You aren't in my class
It is a nice day
Is it nice day?
It isn't nice day
I am fourteen years old
Am i fourteen years old?
I am not fourteen years old
Your cousins are in Russia
Are Your cousins in Russia?
Your cousins aren't in Russia
We are partners
Are we partners?
We are not partners