помогите пожалуйста с 4 упражнением

I have two sisters
My sisters are students
We are at home
My brother isn't at home , he is at school
My mother is at work. She is a doctor
I am not a doctor
I have no sister
He isn't a pilot
I have thirty -two teeth
He has a child
She has two children
Her children are at school
Is your father at home? No, he isn't at work
Where is your brother? He is at home