You are Jack´s sister.
Are you Jack´s sister?
We are in our garden.
Are we in our garden?
This is her house.
Is this her house?
He is our new postman.
Is he our new postman?
He is friendly.
Is he friendly?
Kate is happy.
Is Kate happy?
Her mom is slim.
Is her mom slim?
They are at school.
Are they at school?
His father is 40 years old.
Is his father 40 years old?
She is 10 years old.
Is she 10 years old?