Составьте 10 предложении с глаголами must, have to, am to в любом времени. Неважно на какую тему. (9 класс)

I have got a new mobile phone. - Present Perfect 
She has two brothers. - Present Simple 
You have to do your homework by yourself. - Modal
I had a headache yesterday. - Past Simple 
You will have to meet your grandmother at the station tomorrow. - I have my hair cut. - 
Do you have your dinner cooked by your mother? - 
I have already done my homework. 
She has just gone away. 
She must have knowen the answer.