Choose the correct verbs to rewrite the sentences with the same meaning. 1. It is necessary for you to phone Martin.

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 a window? 6/ People should cooperate. 7/ John can smoke. 8/ It may will rain. 9/ Alan can speak Spanish. 10/ Could you help me?