1 You are in my class.

You aren't in my class.

Are you in my class?

2 It is a nice day.

It isn't a nice day.

Is it a nice day?

3 I am fourteen years old.

I'm not fourteen years old.

Am I fourteen years old?

4 Your cousins are in Russia.

Your cousins aren't in Russia.

Are your cousins in Russia?

5 We are partners.

We aren't partners.

Are we partners.?