Помогите пожалуйста изберите правильные глаголы и перерешите предложение с схожим

1.You must phone Martin.
2.Ann might be here this evening.
3.You don't have to wait.
4.People shouldn't watch TV all the time.
5.Shall I open the window?
6.People should cooperate.
8.It may rain.
9. Alan can speak Spanish.
10.Can you help me?
7.John used to smoke when he was younger.