Кданным предложениям составте отрицательное предложение,разделительный вопрос,общий вопрос с yes no,альтернативный вопрос,специальный вопрос, 1my sister studies at university 2 my parents work at school

1. My sister studies at University.
    My sister doesn't study at Univetsity. 
    My sister studies at University, doesn't she? 
    Does my sister study at University? No, she doesn't. Yes, she does.
    Does my sister study at University or at school?
    Where does my sister study?

2. My parents work at school.
    My parents don't work at school.
    My parents work at school, don't they?
    Do my parents work at school? No, they don't. Yes, they do.
    Do my or her parents work at school?
    Where do my parents work?